15 Best Small Form Factor PC Cases, Compared
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Choosing the right small form factor PC case requires balancing a compact desk footprint against your component clearance needs. The SilverStone Micro-ATX Small Form Factor Case takes the top spot because it houses standard ATX power supplies while accepting any graphics card length.
To find the best options, we compared 15 models based strictly on the specifications published on their product listings. This guide helps you decide which enclosure volume, motherboard compatibility, and hardware layout match your build plan.
Quick picks
The best fit for you
- You need standard ATX power with Micro-ATX motherboards SilverStone Micro-ATX Small Form Factor Case It supports standard ATX power supplies and any graphics card length inside a Micro-ATX small form factor chassis.
- You plan to install a large 280mm liquid cooler Thermaltake TR100 18.9L Mini-ITX Case It features dedicated 280mm radiator support alongside clearance for graphics cards up to 360mm.
- You want integrated liquid cooling with a power supply Cooler Master NCORE 100 MAX Mini-ITX Case It includes an integrated 850W power supply and a 120mm liquid cooling unit.
- You need the smallest lightweight chassis for portable setups JOYJOM 4.3L Aluminum Mini-ITX Case The 4.3-liter aluminum frame weighs approximately 2.51 pounds and accommodates Flex-1U power supplies.
Our 15 picks
SilverStone Micro-ATX Small Form Factor Case
Best for: Micro-ATX builds needing full-size power supplies
- Tower Size
- Small Form Factor
- Motherboard Support
- Micro-ATX, Mini-DTX, Mini-ITX
- Case Type
- SFF
- Max GPU Length
- Any length
- Dimensions
- 19 × 15 × 13 inches
- Weight
- 13.5 pounds
View on Amazon: SilverStone Micro-ATX Small Form Factor Case
This SilverStone chassis delivers small form factor sizing while accepting standard Micro-ATX motherboards and full-size ATX power supplies. You get support for graphics cards of any length alongside dedicated mounting for multiple 2.5-inch drives. With an 82mm CPU cooler height limit, it accommodates low-profile air cooling setups. It suits you if you want to reuse full-sized internal hardware without committing to the strict component restrictions of smaller Mini-ITX cases.
Pros
- Fits standard Micro-ATX motherboards and ATX power supplies
- Accommodates graphics cards of any length
- Supports CPU coolers up to 82mm in height
- High capacity for 2.5-inch storage drives
Cons
- CPU cooler clearance capped at 82mm
- Relatively heavy empty weight at 13.45 pounds
- Large footprint measuring 19 inches long and 15 inches wide
Good fit if
- You want to use a standard Micro-ATX motherboard and an ATX power supply.
- You need room for a long graphics card and multiple 2.5-inch drives.
Skip if
- You need clearance for tall CPU tower coolers over 82mm.
- You want an ultra-lightweight chassis under 13 pounds.
Verdict: SilverStone Micro-ATX Small Form Factor Case balances broad component compatibility with compact housing by accepting standard ATX power supplies and any graphics card length. It gives you flexible hardware options while keeping your desktop footprint contained.
SilverStone Small Form Factor Mini-ITX Case
Best for: ATX power supplies in compact builds
- Tower Size
- Small Form Factor
- Motherboard Support
- Mini-DTX, Mini-ITX
- Case Type
- Small Form Factor
- Radiator Support
- 120mm, 140mm
- Max GPU Length
- 10.5 inches
- Dimensions
- 14 × 12 × 10 inches
This SilverStone chassis is a compact Small Form Factor case designed for Mini-ITX and Mini-DTX motherboards. It accommodates standard ATX power supplies and graphics cards up to 10.5 inches in length. You also get space for a single 120mm or 140mm liquid cooler alongside 2.5-inch and 3.5-inch drives. It suits you if you want a compact desktop footprint while reusing standard power hardware.
Pros
- Compatible with standard ATX power supplies
- Supports expansion cards up to 10.5 inches long
- Fits single-fan 120mm or 140mm all-in-one liquid coolers
- Accommodates both 2.5-inch and 3.5-inch drives
- Elevated standoffs leave clearance for backside motherboard components
Cons
- Expansion card length capped at 10.5 inches
- Liquid cooling limited to single 120mm or 140mm radiators
- Incompatible with Micro-ATX and standard ATX motherboards
Good fit if
- You need a small chassis that accepts standard ATX power supplies.
- You plan to run a single 120mm or 140mm liquid cooler.
- You use an expansion card measuring 10.5 inches or shorter.
Skip if
- You have a graphics card longer than 10.5 inches.
- You plan to install a Micro-ATX or standard ATX motherboard.
- You require dual-fan or triple-fan liquid cooling radiators.
Verdict: SilverStone Mini-ITX SFF Case provides versatile component support by pairing Mini-ITX or Mini-DTX motherboards with standard ATX power supplies. Its 10.5-inch expansion card clearance and 140mm radiator mount make it a capable compact foundation.
SilverStone Slim Mini-ITX Case with Handle
Best for: portable slim builds with full-length graphics cards
- Tower Size
- Small Form Factor
- Motherboard Support
- Mini-ITX
- Case Type
- Slim Small Form Factor
- Max GPU Length
- 13 inches
- Dimensions
- 14.6 × 15 × 3.43 inches
- Weight
- 7.72 pounds
The SilverStone Slim Mini-ITX Case with Handle is a compact chassis designed for tight desk spaces and mobile setups. It measures 3.43 inches tall, 14.96 inches wide, and 14.57 inches deep, yet fits graphics cards up to 13 inches long. It supports Mini-ITX motherboards and SFX power supplies. You can orient the case horizontally or vertically, making it a practical choice if you need portable desktop gaming hardware.
Pros
- Supports graphics cards up to 13 inches long
- Includes a removable carrying handle
- Operates in horizontal or vertical orientation
- Features a tool-less drive cage design
Cons
- Supports only Mini-ITX motherboards
- Requires an SFX form factor power supply
Good fit if
- You need a portable build with a built-in carrying handle.
- You plan to install a full-length graphics card up to 13 inches.
- You want the option for either vertical or horizontal desk placement.
Skip if
- You intend to use a standard ATX power supply.
- You require a Micro-ATX or standard ATX motherboard.
Verdict: SilverStone Slim Mini-ITX Case with Handle delivers a slender profile that still houses a full 13-inch graphics card. Its dual-orientation layout and top handle make it a strong choice for portable small-footprint systems.
SilverStone 2U 12-Bay Rackmount Chassis
Best for: high-density rackmount storage server builds
- Tower Size
- Small Form Factor
- Motherboard Support
- E-ATX, SSI-EEB
- Case Type
- 2U Rackmount
- Included Fans
- 3x 80mm x 38mm PWM
- Dimensions
- 26 × 16.9 × 3.48 inches
The SilverStone 2U 12-Bay Rackmount Chassis is a 2U server case designed for high-density storage setups. You get twelve hot-swap drive bays supporting 2.5-inch or 3.5-inch SAS and SATA drives, driven by a 12 Gb/s Mini-SAS HD backplane. It accommodates large SSI-EEB or E-ATX motherboards and includes three 80mm hot-swappable cooling fans. This setup suits you if you run enterprise storage hardware.
Pros
- Twelve hot-swappable 2.5-inch or 3.5-inch SAS/SATA drive trays
- 12 Gb/s Mini-SAS HD SFF-8643 backplane with SGPIO support
- Supports large SSI-EEB and E-ATX motherboards
- Includes three 80mm x 38mm hot-swappable PWM cooling fans
Cons
- Measures 25.98 inches deep, requiring extended rack depth
- 2U rackmount profile is not intended for standard desk setups
Good fit if
- You require up to twelve hot-swappable 3.5-inch or 2.5-inch drives.
- You build with an SSI-EEB or E-ATX multi-socket motherboard.
Skip if
- You need a compact upright desktop PC case.
- You do not have a server rack to house a 2U chassis.
Verdict: SilverStone 2U 12-Bay Rackmount Chassis fits SSI-EEB motherboards alongside twelve hot-swappable drive bays for intensive storage deployments. Its 25.98-inch depth and 2U profile target dedicated server rack installations.
SGPC 5L Portable Mini-ITX Case
Best for: ultra-compact portable Mini-ITX builds
- Tower Size
- Small Form Factor
- Motherboard Support
- Mini ITX
- Case Type
- SFF
- Side Panel
- Ventilated Steel
- Max GPU Length
- 185mm
- Case Volume
- 5.1L
The SGPC 5L Portable Mini-ITX Case is an ultra-compact small form factor enclosure measuring 4.7 by 8.7 by 7.7 inches and weighing 4.14 pounds. It accommodates a Mini-ITX motherboard and a Flex-1U power supply within its 5.1-liter volume. You also get front USB 3.2 and Type-C connectivity, two 2.5-inch drive bays, and support for graphics cards up to 185 millimeters long. It suits experienced builders creating a backpack-friendly portable gaming or workstation setup.
Pros
- Compact 5.1-liter volume measuring 4.7 by 8.7 by 7.7 inches
- Front I/O equipped with USB 3.2 and Type-C ports
- Two 2.5-inch drive bays with anti-vibration mounts
- Ventilated 1.5-millimeter steel panels for airflow
Cons
- Requires a separate dual reverse riser cable for graphics card installation
- Restricts power supply compatibility strictly to Flex-1U units
- Limits graphics card dimensions to 185 millimeters long and 43 millimeters thick
Good fit if
- You need a backpack-friendly 5.1-liter setup that weighs 4.14 pounds.
- You plan to run a Flex-1U power supply and a Mini-ITX motherboard.
- You use a compact graphics card under 185 millimeters in length.
Skip if
- You are building your first PC and want a beginner-friendly layout.
- You have a standard ATX or SFX power supply.
- You use a graphics card longer than 185 millimeters.
Verdict: SGPC 5L Portable Mini-ITX Case offers a dense 5.1-liter steel layout with Type-C connectivity and dual 2.5-inch drive support. It delivers a true backpack-sized build for builders equipped with Flex-1U power supplies and short graphics cards.
HYTE Revolt 3 Mini-ITX Case with Handle
Best for: portable Mini-ITX gaming desktop builds
- Tower Size
- Small Form Factor
- Motherboard Support
- ITX
- Case Type
- Small Form Factor
- Use
- Gaming
- Dimensions
- 9.9 × 7 × 16.1 inches
- Weight
- 11 pounds
The HYTE Revolt 3 is a vertical small-form-factor metal chassis designed for Mini-ITX motherboards. It measures 7 inches wide, 9.9 inches long, and 16.1 inches high, weighing 11 pounds. You get an integrated carrying handle, fully removable external panels for 360-degree access, and front-panel USB 3.2 Gen 2 Type-C connectivity. This model suits you if you need a portable, compact gaming setup with quick component access.
Pros
- Integrated carrying handle for portability
- Removable panels on all sides offer 360-degree internal access
- Front I/O features USB 3.2 Gen 2 Type-C and dual USB 3.2 Gen 1 Type-A ports
- Three-year case warranty coverage
Cons
- Case-only configuration includes no power supply unit
- Restricted exclusively to standard Mini-ITX motherboard layouts
- No pre-installed system cooling fans listed in specifications
Good fit if
- You build with a standard Mini-ITX motherboard.
- You need an integrated handle for transporting your system.
- You want complete panel removal for straightforward internal access.
Skip if
- You require support for Micro-ATX or ATX motherboard form factors.
- You want a case package that includes an integrated power supply.
Verdict: HYTE Revolt 3 Mini-ITX Case delivers 360-degree component access and an integrated handle in a compact vertical footprint. It provides modern front-panel Type-C connectivity for dedicated Mini-ITX desktop builds.
JOYJOM 4.3L Aluminum Mini-ITX Case
Best for: ultra-compact builds using Flex-1U power supplies
- Tower Size
- Small Form Factor
- Motherboard Support
- Standard ITX
- Case Type
- SFF
- Case Volume
- 4.3L
- Use
- Gaming
- Compatible Device
- Graphics Card
This JOYJOM chassis provides an ultra-compact 4.3-liter enclosure crafted from 2.0mm aluminum alloy. It supports standard Mini-ITX motherboards, graphics cards up to 170mm long, and CPU coolers up to 36mm tall. An included 18.5cm PCIe 3.0 riser cable connects your graphics card directly. You will find it well suited for ultra-small desk setups if you plan to use a specialized Flex-1U power supply and low-profile components.
Pros
- Compact 4.3-liter volume with 2.0mm aluminum alloy construction
- Includes an 18.5cm PCIe 3.0 riser cable in the box
- Supports two 2.5-inch SSDs up to 9mm thick
- Lightweight build at approximately 2.51 pounds
Cons
- Restricted to 36mm maximum CPU cooler height
- Requires a specialized Flex-1U power supply
- Graphics card length capped at 170mm
Good fit if
- You want a 4.3-liter aluminum chassis with an included PCIe riser.
- You plan to use a compact GPU under 170mm and a Flex-1U PSU.
- You need dual 2.5-inch drive mounts in an ultra-small footprint.
Skip if
- You need clearance for CPU coolers taller than 36mm.
- You use a standard SFX or ATX power supply.
- You have a graphics card longer than 170mm.
Verdict: JOYJOM 4.3L Aluminum Mini-ITX Case delivers an ultra-dense layout for builders using Flex-1U power supplies and short graphics cards. It keeps your desktop footprint minimal while supplying the necessary PCIe riser cable.
Cooler Master NCORE 100 MAX Mini-ITX Case
Best for: compact builds with long graphics cards
- Tower Size
- Small Form Factor
- Motherboard Support
- Mini-ITX
- Case Type
- SFF
- Radiator Support
- 120mm
- Max GPU Length
- 356mm
- Case Volume
- 15.7L
The Cooler Master NCORE 100 MAX Mini-ITX Case is a 15.7-liter small form factor enclosure that includes an integrated 850W SFX Gold power supply and a custom 120mm liquid cooling radiator. Its expandable frame widens from 155mm to 172mm to fit vertical GPUs up to 356mm long. If you want a compact setup with pre-routed power cables and built-in liquid cooling for high-end hardware, this bundle simplifies your assembly.
Pros
- Integrated 850W 80 Plus Gold ATX 3.0 power supply with custom short cables
- Pre-installed 120mm radiator with 38mm thickness and pump
- Expandable frame widens from 155mm to 172mm for up to 356mm GPUs
- Compact 15.7-liter vertical footprint
Cons
- Supports only Mini-ITX motherboards
- Restricted exclusively to vertical GPU mounting
- Total weight reaches 13.89 pounds due to bundled hardware
Good fit if
- You want a bundled 850W power supply and 120mm liquid cooler included.
- You plan to install a long graphics card up to 356mm.
- You need a compact 15.7-liter vertical desktop footprint.
Skip if
- You plan to use a Micro-ATX or standard ATX motherboard.
- You prefer a traditional horizontal GPU orientation.
- You already own a dedicated power supply and CPU cooler.
Verdict: Cooler Master NCORE 100 MAX Mini-ITX Case provides an all-in-one small form factor foundation with its integrated 850W power supply and 120mm liquid cooling system. It suits builders needing high GPU clearance within an expandable 15.7-liter volume.
Jonsbo Mini-ITX Handled Mesh Case
Best for: portable ITX setups using tall air coolers
- Tower Size
- Small Form Factor
- Motherboard Support
- ITX, Mini-DTX
- Case Type
- SFF
- Side Panel
- Mesh
- Max GPU Length
- 255mm
- Dimensions
- 10.5 × 8 × 11.6 inches
This portable small form factor chassis features all-mesh panels and a top Velcro carry handle. You get clearance for CPU coolers up to 170mm tall, graphics cards up to 255mm long, and standard ATX or SFX power supplies under 140mm. It suits you if you need a compact Mini-ITX or Mini-DTX enclosure that accommodates tall air coolers without requiring specialized miniature power hardware.
Pros
- Fits CPU coolers up to 170mm tall
- Supports standard ATX power supplies up to 140mm
- All-mesh panels with tool-free top panel release
- Integrated adjustable top Velcro carry handle
Cons
- Limits graphics card length to 255mm
- Single drive mount shared between 3.5-inch and 2.5-inch storage
- Bottom fan slot sacrificed if using a 3.5-inch hard drive
Good fit if
- You want to use a standard ATX power supply under 140mm in an ITX build.
- You need up to 170mm of clearance for a large CPU tower cooler.
- You prefer a portable desktop setup with a built-in carry handle.
Skip if
- You have a graphics card longer than 255mm.
- You plan to run multiple internal storage drives simultaneously.
Verdict: Jonsbo Mini-ITX Handled Mesh Case provides generous CPU cooler height and ATX power supply compatibility in a compact footprint. It requires careful GPU selection due to its 255mm card length ceiling.
Rackchoice 4U 24-Bay Hot-Swap Chassis
Best for: high-density rackmount storage and server builds
- Tower Size
- Small Form Factor
- Motherboard Support
- E-ATX, ATX, Micro-ATX, Mini-ITX
- Case Type
- 4U Rackmount
- Included Fans
- 3x 12038 PWM
- Dimensions
- 25.6 × 19 × 7 inches
- Weight
- 44 pounds
This Rackchoice chassis is a 4U rackmount case built for mass storage. It holds 24 hot-swap 3.5-inch or 2.5-inch drives and supports motherboards from Mini-ITX up to EATX. You get three 120mm PWM fans running up to 5,000 RPM, eight full-height expansion slots, and standard ATX or CRPS redundant power supply support. It suits you if you need dense drive capacity and broad motherboard compatibility in a server rack enclosure.
Pros
- Supports 24 hot-swap 3.5-inch or 2.5-inch drives
- Fits EATX, ATX, MicroATX, and Mini-ITX motherboards
- Includes three 120mm 5,000 RPM hot-swap PWM fans
- Offers eight full-height expansion slots
- Supports standard ATX and CRPS redundant power supplies
Cons
- Weighs 44 pounds empty
- Measures 25.6 inches deep, requiring a full-depth server rack
- Rear 80mm cooling fans are optional and not included
Good fit if
- You need high-density storage with up to 24 hot-swappable drives.
- You plan to mount an EATX, ATX, or Mini-ITX board in a 4U rack.
- You require redundant CRPS power supply compatibility.
Skip if
- You want a compact desktop footprint rather than a rackmount server.
- You cannot accommodate a chassis depth of 25.6 inches or 44-pound weight.
Verdict: Rackchoice 4U 24-Bay Hot-Swap Chassis provides massive 24-bay storage capacity and broad motherboard support for rackmount deployments. Its heavy 44-pound weight and 25.6-inch depth require a dedicated full-depth server rack.
Thermaltake TR100 18.9L Mini-ITX Case
Best for: compact builds with 280mm liquid coolers
- Tower Size
- Small Form Factor
- Motherboard Support
- mITX
- Case Type
- SFF
- Radiator Support
- 280mm
- Max GPU Length
- 360mm
- Case Volume
- 18.9 Liters
The Thermaltake TR100 is an 18.9-liter Mini-ITX case built with a dual-chamber layout for compact setups. It accommodates up to a 280mm radiator and GPUs up to 360mm in length, which allows for liquid cooling alongside full-size graphics cards. You also get support for SFX and SFX-L power supplies, 68mm of CPU cooler height, and an included PCIe 4.0 riser cable. It suits you if you want liquid cooling in a small footprint.
Pros
- Supports radiators up to 280mm
- Accommodates GPUs up to 360mm with included PCIe 4.0 riser cable
- Dual-chamber design with SFX and SFX-L PSU compatibility
- Includes removable PCIe bracket and integrated GPU brace
Cons
- CPU air cooler clearance limited to 68mm
- Restricted to Mini-ITX motherboards only
- Does not support standard ATX power supplies
Good fit if
- You plan to run a 280mm liquid cooling radiator in a small form factor build.
- You use a long graphics card up to 360mm in length.
- You build with an SFX or SFX-L power supply.
Skip if
- You plan to install a tall CPU air cooler exceeding 68mm in height.
- You use a motherboard larger than Mini-ITX.
- You need standard ATX power supply support.
Verdict: Thermaltake TR100 18.9L Mini-ITX Case delivers 280mm radiator and 360mm GPU capacity inside an 18.9-liter dual-chamber chassis. It provides the clearance needed for liquid-cooled Mini-ITX configurations using SFX or SFX-L power supplies.
SGPC 8.3L Portable Mini-ITX Case
Best for: portable compact builds needing full-size GPU clearance
- Tower Size
- Small Form Factor
- Motherboard Support
- ITX
- Case Type
- SFF
- Side Panel
- SPCC Steel, Acrylic
- Max GPU Length
- 300mm
- Case Volume
- 8.3L
This compact 8.3-liter enclosure accommodates standard Mini-ITX motherboards and graphics cards up to 300 mm in length. Built from 1.5 mm SPCC steel, it includes two swappable carrying handles and an extra 3 mm acrylic ventilated side panel. With 69 mm of CPU cooler clearance and front USB-C connectivity, it suits you if you need a transportable desktop chassis for dedicated gaming hardware without excess bulk on your desk.
Pros
- Accommodates graphics cards up to 300 mm in length and 60 mm in height
- Provides 69 mm of clearance for CPU air coolers
- Includes both plastic and PU leather top carrying handles
- Ships with an additional 3 mm acrylic ventilated side panel
Cons
- Requires a separate purchase of an 18.5 cm dual reverse riser cable
- Incompatible with SFX-L power supplies
- Storage mount is limited to a single 2.5-inch drive
Good fit if
- You need an 8.3-liter chassis with handles that fits into a backpack.
- You run a standard SFX power supply and a GPU up to 300 mm long.
- You want up to 69 mm of CPU air cooler clearance in a portable format.
Skip if
- You plan to install an SFX-L power supply.
- You want an included PCIe riser cable in the package.
- You need more than one internal 2.5-inch drive or any 3.5-inch storage.
Verdict: SGPC 8.3L Portable Mini-ITX Case delivers an easily transportable layout with clearance for full-length graphics cards and 69 mm air coolers. You must supply your own riser cable and stick to standard SFX power supplies, making it an efficient pick for focused compact builds.
SHINYSNAKE 8.5L Vertical Mesh ITX Case
Best for: portable vertical Mini-ITX builds with dual-slot GPUs
- Tower Size
- Small Form Factor
- Motherboard Support
- Mini-ITX
- Case Type
- SFF
- Side Panel
- Steel Mesh
- Max GPU Length
- 325mm
- Case Volume
- 8.5L
This vertical Mini-ITX chassis delivers an 8.5-liter footprint designed to save desk space. It accommodates dual-slot graphics cards up to 12.8 inches long and supports SFX or SFX-L power supplies alongside 2.5-inch drives. Perforated mesh side panels and mounts for two slim 120mm fans manage heat dissipation. With its built-in steel carry handle, it suits you if you need a portable small-form-factor setup for travel or LAN events.
Pros
- Compact 8.5-liter vertical footprint with a built-in steel handle
- Fits dual-slot graphics cards up to 12.8 inches (325mm)
- Front I/O provides one 10Gbps Type-C and two 5Gbps USB 3.0 ports
- Includes a 1.5-meter DisplayPort 1.4 extension cable
- Compatible with both SFX and SFX-L power supplies
Cons
- Included riser cable is PCIe 3.0 and requires manual motherboard BIOS configuration
- Restricted to dual-slot GPUs with no support for thicker cards
- No mounting support for 3.5-inch storage drives
Good fit if
- You want an 8.5-liter vertical enclosure with an integrated top carry handle.
- You use a dual-slot graphics card measuring 12.8 inches or less.
- You power your build with an SFX or SFX-L power supply.
Skip if
- You need native PCIe 4.0 or PCIe 5.0 riser performance out of the box.
- You run a triple-slot graphics card.
- You require 3.5-inch mechanical hard drive mounting.
Verdict: SHINYSNAKE 8.5L Vertical Mesh ITX Case provides a portable 8.5-liter vertical layout with room for dual-slot graphics cards up to 12.8 inches. It is a solid choice if you need a compact footprint and front Type-C connectivity, provided your components fit its strict dual-slot and SFX limits.
Shiny Snake 12.1L Mesh Mini-ITX Case
Best for: portable builds with full-length triple-slot GPUs
- Tower Size
- Small Form Factor
- Motherboard Support
- Mini-ITX
- Case Type
- SFF
- Side Panel
- Steel Mesh
- Max GPU Length
- 350mm
- Case Volume
- 12.1L
This 12.1-liter vertical Mini-ITX chassis combines a compact desk footprint with clearance for triple-slot graphics cards up to 350 millimeters long. It accommodates standard ATX, SFX, or SFX-L power supplies alongside two 2.5-inch drives. Full-mesh steel panels allow direct ventilation, while the integrated carry handle aids transport. It suits you if you want desktop-class GPU capacity inside a portable, ventilated tower with modern front USB-C connectivity.
Pros
- Fits triple-slot GPUs up to 350mm in length
- Compatible with standard ATX, SFX, and SFX-L power supplies
- Includes a PCIe 3.0 riser cable and DisplayPort 1.4 extension
- Front panel includes a 10Gbps USB Type-C port
Cons
- Does not include cooling fans out of the box
- Fan mounts require 15mm ultra-slim 140mm fans rather than standard 25mm fans
- Requires setting motherboard BIOS to PCIe 3.0 mode for the included riser cable
Good fit if
- You want to mount a full-length, triple-slot graphics card in a vertical footprint.
- You plan to build with a standard ATX power supply to save on component changes.
- You need a steel carrying handle for transporting your Mini-ITX system.
Skip if
- You prefer a case that comes pre-installed with standard 25mm case fans.
- You require out-of-the-box PCIe 4.0 riser cable support without adjusting BIOS settings.
Verdict: Shiny Snake 12.1L Mesh Mini-ITX Case delivers broad GPU and power supply compatibility in an efficient vertical footprint. Its full-mesh exterior and built-in handle make it a practical option for portable high-performance setups.
T.F.SKYWINDINTL ARGB Mini-ITX Case
Best for: compact HTPC builds with addressable RGB lighting
- Tower Size
- Small Form Factor
- Motherboard Support
- Mini-ITX
- Case Type
- SFF Mini-Tower
- Max GPU Length
- 160mm
- Lighting
- ARGB
- Dimensions
- 8.07 × 3.5 × 8.98 inches
This ultra-compact SFF chassis measures 8.98 by 8.07 by 3.5 inches and supports Mini-ITX motherboards with a 150 by 80 by 40 mm Flex power supply. You get built-in dynamic ARGB front lighting powered via a 3-pin motherboard header, dual orientation options for desk or TV stands, and four front USB ports. It suits you if you need a tiny home-theater PC or compact workstation with integrated lighting.
Pros
- Front panel includes dynamic ARGB lighting with 3-pin motherboard connectivity
- Compact 8.07 by 3.5 by 8.98 inch footprint weighing under 2.5 pounds
- Supports both vertical and horizontal orientations for desks or TV shelves
- Front I/O features two USB 3.0 ports, two USB 2.0 ports, and audio jacks
Cons
- Installing a storage drive prevents installing a discrete PCIe graphics card
- Requires a 150 by 80 by 40 mm Flex power supply instead of SFX or ATX
- PCIe card clearance is strictly limited to 160 mm length and 18 mm thickness
Good fit if
- You build a compact Mini-ITX setup powered by a Flex form factor power supply.
- You want integrated ARGB illumination on an ultra-small desktop or HTPC chassis.
- You use integrated graphics or a single-slot PCIe expansion card under 160 mm.
Skip if
- You plan to use a standard SFX or ATX power supply.
- You need to install both a dedicated internal drive and an add-in graphics card.
Verdict: T.F.SKYWINDINTL ARGB Mini-ITX Case delivers a slim footprint with integrated front lighting and dual-orientation versatility for small desks and media consoles. It serves well for low-profile Mini-ITX media hubs if you can accommodate its strict Flex power supply and component size limits.
Specifications side by side
| Spec | SilverStone Micro-ATX Small Form Factor Case | SilverStone Small Form Factor Mini-ITX Case | SilverStone Slim Mini-ITX Case with Handle | SilverStone 2U 12-Bay Rackmount Chassis | SGPC 5L Portable Mini-ITX Case | HYTE Revolt 3 Mini-ITX Case with Handle | JOYJOM 4.3L Aluminum Mini-ITX Case | Cooler Master NCORE 100 MAX Mini-ITX Case | Jonsbo Mini-ITX Handled Mesh Case | Rackchoice 4U 24-Bay Hot-Swap Chassis | Thermaltake TR100 18.9L Mini-ITX Case | SGPC 8.3L Portable Mini-ITX Case | SHINYSNAKE 8.5L Vertical Mesh ITX Case | Shiny Snake 12.1L Mesh Mini-ITX Case | T.F.SKYWINDINTL ARGB Mini-ITX Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Motherboard Support | Micro-ATX, Mini-DTX, Mini-ITX | Mini-DTX, Mini-ITX | Mini-ITX | E-ATX, SSI-EEB | Mini ITX | ITX | Standard ITX | Mini-ITX | ITX, Mini-DTX | E-ATX, ATX, Micro-ATX, Mini-ITX | mITX | ITX | Mini-ITX | Mini-ITX | Mini-ITX |
| Case Type | SFF | Small Form Factor | Slim Small Form Factor | 2U Rackmount | SFF | Small Form Factor | SFF | SFF | SFF | 4U Rackmount | SFF | SFF | SFF | SFF | SFF Mini-Tower |
| Side Panel | not specified | not specified | not specified | not specified | Ventilated Steel | not specified | not specified | not specified | Mesh | not specified | not specified | SPCC Steel, Acrylic | Steel Mesh | Steel Mesh | not specified |
| Included Fans | not specified | not specified | not specified | 3x 80mm x 38mm PWM | not specified | not specified | not specified | not specified | not specified | 3x 12038 PWM | not specified | not specified | not specified | not specified | not specified |
| Radiator Support | not specified | 120mm, 140mm | not specified | not specified | not specified | not specified | not specified | 120mm | not specified | not specified | 280mm | not specified | not specified | not specified | not specified |
| Max GPU Length | Any length | 10.5 inches | 13 inches | not specified | 185mm | not specified | not specified | 356mm | 255mm | not specified | 360mm | 300mm | 325mm | 350mm | 160mm |
| Case Volume | not specified | not specified | not specified | not specified | 5.1L | not specified | 4.3L | 15.7L | not specified | not specified | 18.9 Liters | 8.3L | 8.5L | 12.1L | not specified |
| Tower Size | Small Form Factor | Small Form Factor | Small Form Factor | Small Form Factor | Small Form Factor | Small Form Factor | Small Form Factor | Small Form Factor | Small Form Factor | Small Form Factor | Small Form Factor | Small Form Factor | Small Form Factor | Small Form Factor | Small Form Factor |
| Fan Size | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 120mm | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Use | not specified | not specified | not specified | not specified | Gaming | Gaming | Gaming | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Lighting | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | ARGB |
| Compatible Device | not specified | not specified | not specified | not specified | not specified | not specified | Graphics Card | not specified | not specified | not specified | Radiator | not specified | not specified | not specified | not specified |
| Dimensions | 19 × 15 × 13 inches | 14 × 12 × 10 inches | 14.6 × 15 × 3.43 inches | 26 × 16.9 × 3.48 inches | 7.7 × 4.7 × 8.7 inches | 9.9 × 7 × 16.1 inches | 7.24 × 4.09 × 8.78 inches | 6.1 × 18.9 × 8.35 inches | 10.5 × 8 × 11.6 inches | 25.6 × 19 × 7 inches | not specified | 12 × 5.94 × 7.05 inches | 7.4 × 5.3 × 14 inches | 7.8 × 6.65 × 14.4 inches | 8.07 × 3.5 × 8.98 inches |
| Weight | 13.5 pounds | 6 pounds | 7.72 pounds | not specified | 4.14 pounds | 11 pounds | 2.51 pounds | 13.9 pounds | 6.65 pounds | 44 pounds | not specified | 7.28 pounds | 5.29 pounds | 5.51 pounds | 2.45 pounds |
| Color | Black (SG11) | SG13B-Q-V1 | ML08B-H | Yellow | WHITE | Black | Black | Dark Grey | White | black | Matcha Green | black | White + PCI-e 3.0 | White | black |
| Model | SG11B | SG13B-Q | ML08B-H | RM22-312 | K39 | CS-HYTE-REVOLT3-B | not specified | NR100-MNNN85-SL0 | C6-ITX White | not specified | CA-11A-00SENN-00 | K49BL&No Riser Cable | L300 White | L400 White | D32R RGB |
| Size | not specified | not specified | not specified | 2U | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 8.3L | not specified | Mini ITX Case | not specified |
Is a Small Form Factor PC Case Worth It?
Enclosures in this category reduce physical bulk on your workspace, ranging down to compact 4.3-liter and 5.1-liter footprints weighing under five pounds. Several models include integrated carrying handles or dual-orientation layouts for desks and media consoles. In daily use, choosing small form factor designs requires strict adherence to power supply formats like SFX or Flex-1U rather than standard units. You also navigate tighter clearance boundaries for internal parts, including low-profile CPU cooler ceilings or specific dual-slot graphics card limits.
Worth it if
- You want a lightweight, portable setup with integrated handles or chassis volumes down to 4.3 liters.
- You need a horizontal or vertical dual-orientation case to fit media consoles or narrow desks.
- You build around compact power hardware such as SFX or Flex-1U power supplies.
Skip it if
- You plan to install high-density multi-drive server hardware requiring full 2U or 4U rackmount chassis depths.
- You run extra-thick graphics cards that exceed strict dual-slot limits or 255mm card length ceilings.
If you prefer a prebuilt system over assembling your own compact enclosure, you can evaluate hardware options in a mini PC under 300 instead.
How We Picked These Cases
To build this guide for 2026, we selected cases where the listing title or specifications list states Small Form Factor tower size. We include only one size or variant from each product family across the 15 selections. Products are not physically handled; every specification comes directly from published manufacturer listings.
This guide shows products in stock first. You can compare models using confirmed specifications such as motherboard support and exterior dimensions to match your setup. Availability details refresh at least daily on the page so you can find current options easily.
Choosing the Right Small Form Factor Case
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Check Power Supply Form Factors
Verify the supported power supply standard before you buy your enclosure. While larger small form factor models fit standard ATX units, ultra-compact enclosures often restrict you to SFX, SFX-L, or Flex-1U formats. A Flex-1U unit allows the chassis to reach minimal exterior dimensions, but it limits your modular cable choices. For instance, the JOYJOM 4.3L Aluminum Mini-ITX Case strictly requires a Flex-1U power supply to achieve its compact volume. Match your power supply model directly to the specific mounting bracket specifications of your chosen case.
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Verify Graphics Card Clearance Limits
Expansion card clearance dictates which graphics cards fit inside your enclosure. Check the maximum supported card length and bracket width in millimeters or inches before purchasing parts. Some compact cases accept full-length cards, while others enforce strict physical caps that exclude standard three-fan designs. The Jonsbo Mini-ITX Handled Mesh Case, for example, features a 255mm card length ceiling that limits your component choices. Measure your graphics card length from the mounting bracket to the shroud edge to prevent clearance conflicts with internal panels or frame brackets.
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Assess Integrated Hardware Bundles
Review whether an enclosure comes bare or includes dedicated components. Certain performance small form factor cases integrate factory-fitted power units and cooling hardware designed specifically for the chassis dimensions. This setup removes compatibility guesswork and eliminates custom cable routing headaches during assembly. The Cooler Master NCORE 100 MAX Mini-ITX Case provides an integrated 850W power supply and a tailored 120mm liquid cooling system inside its frame. If you prefer selecting your own cooling loop and wattage tier, choose a modular bare chassis instead of an integrated platform.
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Inspect Front Panel USB Ports
External port selection determines how easily you connect peripherals and fast external storage to your setup. Compact enclosures place ports directly on the front or side panels to spare you from reaching behind the system. Look for modern Type-C ports alongside standard USB headers if you regularly transfer large files or plug in modern mobile devices. The SGPC 5L Portable Mini-ITX Case includes front-panel Type-C connectivity right on its chassis face. Confirm that your motherboard header matches the generation and pinout of the case port to avoid dead front connections.
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Account for PCIe Riser Requirements
Many compact sandwich-style layouts place the graphics card behind the motherboard, requiring a flexible PCIe riser cable to bridge the connection. Check whether the manufacturer includes this cable in the box or leaves it as a separate purchase. For example, the SGPC 8.3L Portable Mini-ITX Case ships without a riser cable, requiring you to source one independently. When you must supply your own riser, verify that the cable length, mounting bracket orientation, and PCIe generation match both your motherboard slot and your graphics card.
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Distinguish Rackmount from Desktop Enclosures
Some enclosures designated as small form factor cater exclusively to server racks rather than typical desktop environments. These models focus on horizontal depth and front-accessible drive storage rather than compact desk placement. The Rackchoice 4U 24-Bay Hot-Swap Chassis, for example, measures 25.6 inches deep, weighs 44 pounds, and houses 24 hot-swappable drives. If you build a home lab or server cluster, prioritize rack unit height and bay counts. If you need a personal computer for a desk, avoid deep rackmount frames in favor of freestanding towers.
Frequently asked questions
Can you mount liquid cooling radiators inside a small form factor case?
Yes, select small form factor cases support liquid cooling radiators if their internal framing permits. For instance, the SilverStone Small Form Factor Mini-ITX Case features a 140mm front radiator mount within its 14-inch chassis. Alternatively, the Cooler Master NCORE 100 MAX comes pre-equipped with an integrated 120mm liquid cooling setup alongside an 850W power supply. You must verify internal radiator clearance before purchasing.
Do all small form factor cases require a PCIe riser cable?
No, not all small form factor enclosures require a PCIe riser cable. Riser cables are primarily needed in slim or sandwich-style enclosures that place the expansion card behind the motherboard. The JOYJOM 4.3L Aluminum Mini-ITX Case includes a required riser cable in the box, whereas the SGPC 8.3L Portable Mini-ITX Case requires you to supply your own. Traditional layouts plug cards directly into the motherboard.
Can small form factor PC cases fit full-size triple-slot graphics cards?
Yes, certain compact enclosures accommodate thick triple-slot graphics cards. The Shiny Snake 12.1L Mesh Mini-ITX Case is specifically engineered to fit full-length triple-slot graphics cards inside its vertical frame. In contrast, narrower alternatives like the SHINYSNAKE 8.5L Vertical Mesh ITX Case strictly enforce dual-slot limits up to 12.8 inches. Always verify both slot thickness and total card length against the enclosure specifications.
How do you choose between air cooling and liquid cooling in a compact chassis?
Base your cooling decision on the published cooler height limits and radiator brackets of the chassis. Enclosures like the SGPC 8.3L Portable Mini-ITX Case fit air coolers up to 69 mm tall, while the Jonsbo Mini-ITX Handled Mesh Case accommodates taller heatsinks. If you prefer liquid cooling, enclosures such as the Cooler Master NCORE 100 MAX include a 120mm liquid cooling system directly inside.
Can you build a high-capacity storage server in a small form factor rackmount chassis?
Yes, dedicated rackmount small form factor enclosures can house extensive multi-drive storage arrays. The SilverStone 2U 12-Bay Rackmount Chassis supports SSI-EEB motherboards alongside twelve hot-swappable drive bays within a 25.98-inch chassis depth. For even denser storage needs, the Rackchoice 4U 24-Bay Hot-Swap Chassis delivers twenty-four drive bays for high-density server environments. These chassis require standard server rack cabinets rather than traditional desktop surfaces.
What graphics card length limits should you watch for in compact cases?
Graphics card length limits range widely depending on internal arrangement and case length. For example, the SilverStone Slim Mini-ITX Case accommodates graphics cards up to 13 inches, while the SilverStone Small Form Factor Mini-ITX Case caps card length at 10.5 inches. The Jonsbo Mini-ITX Handled Mesh Case limits card length to 255mm. Ultra-compact enclosures like the SGPC 5L require dedicated short graphics cards.
Are small form factor cases suitable for home theater PC setups?
Yes, slim dual-orientation small form factor cases fit neatly into media consoles and home entertainment centers. The T.F.SKYWINDINTL ARGB Mini-ITX Case measures just 3.5 inches wide, features addressable RGB lighting, and supports dual orientations for shelf placement. Similarly, the SilverStone Slim Mini-ITX Case provides a 3.43-inch height profile with dual-orientation capability, making either enclosure practical for compact living room home theater PC deployments.