6 Best Alternatives to the FSP Open Frame Dual Chamber (2026)
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You may need top fsp open frame gaming streaming alternatives if your setup requires a different form factor or layout. The FSP Open Frame Dual Chamber Case excels at dual-loop liquid cooling configurations. Its chassis provides dual chambers, dual 360 mm radiator support, and space for motherboards from Mini-ITX up to EATX. You also get an aluminum frame with two tempered glass panels, a dedicated center cable compartment, and USB Type-C connectivity.
However, you might want a build with a different spec, size, feature, or brand. The FSP model has a wide footprint at 455 millimeters wide and 530 millimeters tall. You might prefer an ultra-compact Mini-ITX case, a portable handle, or an enclosed steel mid-tower. The 6 alternatives in this guide were chosen because their specs overlap with the original. Each option aligns with core FSP features like Mini-ITX motherboard support, gaming use, or front Type-C ports for your 2026 build.
Comparing FSP Dual Chamber Alternatives
SGPC 5L Portable Mini-ITX Case
The SGPC 5L Portable Mini-ITX Case gives you a compact 5.1-liter footprint measuring 4.7 by 8.7 by 7.7 inches and weighing 4.14 pounds. This makes it far smaller on your desk than the massive 455 by 530 millimeter FSP chassis. In exchange for this space efficiency, you give up compatibility with full-size ATX and EATX motherboards, as the SGPC chassis only accepts Mini-ITX boards. You also lose dual 360 mm liquid cooling radiator mounts, open dual-chamber access, and aluminum construction. Choose the SGPC model if you want an ultra-portable white steel enclosure with front USB-C connectivity for tight spaces rather than an expansive liquid-cooling workstation.
Fractal Design Terra Mini-ITX SFF Case
The Fractal Design Terra provides a compact 10.4-liter form factor crafted with anodized aluminum and solid walnut accents. It measures 6.02 by 8.58 by 13.5 inches and fits long graphics cards up to 322 mm using an adjustable spine. Compared to the FSP open frame, the Terra takes up significantly less space and provides built-in Type-C connectivity in a closed chassis. However, you give up dual 360 mm radiator support, dual-chamber separation, and compatibility with larger ATX or EATX motherboards. You should pick the Fractal Design Terra if you need a compact, desk-friendly Mini-ITX case designed for long GPUs without the massive footprint of open dual-loop cooling frames.
HYTE Revolt 3 Mini-ITX Case with Handle
The HYTE Revolt 3 offers a vertical small-form-factor layout with a built-in handle for portability and 360-degree hardware access. It measures 7 by 9.9 inches across its base and stands 16.1 inches tall, taking up minimal horizontal desk area compared to the 455 mm wide FSP frame. What you give up is substantial: the Revolt 3 drops compatibility for ATX and EATX motherboards down to Mini-ITX only, and it omits the dual 360 mm radiator bays found on the dual-chamber FSP chassis. Choose the HYTE Revolt 3 if you need a transportable vertical Mini-ITX gaming build that conserves desk space rather than a showpiece dual-radiator bench.
KXRORS Portable Mini-ITX Case
The KXRORS Portable Mini-ITX Case delivers an 8.1-liter mesh chassis measuring 12.3 by 5.31 by 7.6 inches and weighing 4.41 pounds. It includes an integrated carrying handle, front USB 3.0 Type-C connectivity, and clearance for graphics cards up to 305 mm long. You gain significant portability and a tiny footprint compared to the 455 by 530 millimeter FSP enclosure. In turn, you give up dual 360 mm radiator liquid-cooling support, dual-chamber organization, and support for ATX or EATX motherboards. You should pick this KXRORS case if you prioritize a lightweight, mobile Mini-ITX gaming build with full-length GPU support over an open-frame chassis built for custom liquid loops.
JOYJOM 4.3L Aluminum Mini-ITX Case
The JOYJOM case provides extreme space savings with its 4.3-liter volume, 2.51-pound weight, and thick 2.0 mm aluminum construction. Measuring just 4.09 by 8.78 by 7.24 inches, it includes a PCIe 3.0 riser cable for dense component packaging. By choosing this ultra-compact frame over the expansive FSP model, you surrender dual 360 mm radiator cooling and compatibility with ATX or EATX motherboards. You also face strict internal hardware limits, including a maximum GPU length of 17 cm and a 36 mm CPU cooler height ceiling. Choose the JOYJOM chassis if you want the smallest possible aluminum Mini-ITX enclosure for compact components rather than a liquid-cooled workstation.
ARrase Mid-Tower Tempered Glass PC Case
The ARrase Mid-Tower offers an enclosed steel chassis featuring a single tempered glass side panel and dedicated mounting for four 120 mm front intake fans. Unlike the open-frame FSP chassis, this case keeps your internal components protected inside a conventional closed structure weighing 12.1 pounds. However, you give up the dual-chamber layout, aluminum framing, and dual 360 mm radiator liquid-cooling capabilities of the FSP design. You also lose compatibility with large EATX boards, as it focuses on smaller form factor setups. Pick the ARrase Mid-Tower if you want a traditional enclosed glass-paneled case with front fan cooling instead of an open dual-loop test bench.
Quick picks
Our 7 picks
FSP Open Frame Dual Chamber Case
Best for: Dual-loop liquid cooling gaming builds
- Motherboard Support
- EATX, ATX, Mini-ITX
- Case Type
- Open Frame
- Radiator Support
- 360 mm
- Use
- Gaming
- Width
- 455 millimeters
- Height
- 530 millimeters
The FSP Open Frame Dual Chamber Case is an open-air chassis built from an aluminum frame and two tempered glass panels. You get dual-chamber support for two 360 mm radiators, a dedicated center cable routing compartment, and front USB Type-C connectivity. It accommodates EATX, ATX, and Mini-ITX motherboards. This chassis suits you if you want a high-clearance open layout designed specifically for dual water-cooling setups and visible ARGB hardware.
Pros
- Supports dual 360 mm radiators
- Dual-chamber design with center cable management space
- Two tempered glass panels on an aluminum frame
- USB Type-C connectivity supported
- Motherboard-controlled ARGB lighting support
Cons
- Large dimensions at 455 mm wide and 530 mm high
- Open-frame construction leaves interior hardware exposed
- No pre-installed fans listed in specifications
Good fit if
- You plan to build dual 360 mm water-cooling loops.
- You run an EATX, ATX, or Mini-ITX motherboard.
- You want an open dual-chamber aluminum and glass frame.
Skip if
- You prefer an enclosed case that keeps dust away from components.
- You need a small-form-factor chassis for limited desk space.
Verdict: FSP Open Frame Dual Chamber Case provides dual 360 mm radiator support and open dual chambers for large water-cooled systems. Its aluminum and tempered glass chassis provides dedicated cable space and fits motherboards up to EATX.
SGPC 5L Portable Mini-ITX Case
Best for: ultra-compact Mini-ITX builds with short graphics cards
- Motherboard Support
- Mini ITX
- Case Type
- SFF
- Side Panel
- Ventilated Steel
- Max GPU Length
- 185mm
- Case Volume
- 5.1L
- Tower Size
- Small Form Factor
This ultra-compact 5.1-liter chassis gives you a minimal footprint for small desks or portable setups. It supports Mini-ITX motherboards, Flex-1U power supplies, and graphics cards up to 185 mm long and 43 mm thick. Ventilated 1.5 mm steel panels provide airflow throughout the enclosure, while the front panel includes USB 3.2 and Type-C ports. It suits experienced builders who want a dense, transportable alternative to open-frame streaming cases.
Pros
- Compact 5.1-liter volume measuring 7.7 by 4.7 by 8.7 inches
- Front I/O equipped with both USB 3.2 and Type-C ports
- 1.5 mm ventilated steel side panels for direct ventilation
- Dual 2.5-inch drive bays with anti-vibration mounts
Cons
- Requires a separate compatible riser cable for GPU installation
- Restricted to Flex-1U power supplies instead of standard SFX or ATX units
- Graphics card support capped at 185 mm length and 43 mm thickness
Good fit if
- You need a backpack-friendly 5.1-liter chassis for a Mini-ITX build.
- You use a compact graphics card under 185 mm in length.
- You have a Flex-1U power supply ready for installation.
Skip if
- You plan to install a full-size ATX or SFX power supply.
- You need clearance for a graphics card longer than 185 mm.
- You are a first-time novice builder needing straightforward assembly.
Verdict: SGPC 5L Portable Mini-ITX Case delivers a dense 5.1-liter steel chassis tailored for compact Mini-ITX and Flex-1U hardware. It suits experienced builders needing a space-efficient setup with front USB-C connectivity.
Fractal Design Terra Mini-ITX SFF Case
Best for: compact Mini-ITX setups needing long GPU clearance
- Motherboard Support
- Mini ITX
- Case Type
- Small Form Factor
- Side Panel
- Anodized Aluminum
- Max GPU Length
- 322 mm
- Case Volume
- 10.4 L
- Use
- Gaming
The Fractal Design Terra Mini-ITX Case is a compact 10.4-liter enclosure built from anodized aluminum with an FSC-certified solid walnut front accent. It accommodates graphics cards up to 322 mm long and uses a stepless 30 mm slidable central wall to adjust internal clearance. You get front USB Type-C 20Gbps connectivity and an included PCIe 4.0 riser cable. It suits your build if you want compact SFF dimensions with full-length GPU compatibility.
Pros
- Supports graphics cards up to 322 mm long
- Includes PCIe 4.0 riser cable
- Stepless 30 mm slidable central wall adjusts internal spacing
- Front I/O features a USB Type-C 20Gbps port
- Compact 10.4 L volume with solid walnut front accent
Cons
- Restricted exclusively to Mini-ITX motherboards
- No pre-installed cooling fans listed
Good fit if
- You need a 10.4 L small-form-factor case that fits a 322 mm GPU.
- You want an adjustable central spine to configure component clearances.
- You require front-panel USB Type-C 20Gbps connectivity.
Skip if
- You plan to build with a Micro-ATX or ATX motherboard.
- You want an enclosure with pre-installed cooling fans.
Verdict: Fractal Design Terra Mini-ITX Case delivers a compact 10.4 L footprint with an adjustable internal spine that fits graphics cards up to 322 mm. It is a capable choice if you need a small-form-factor enclosure featuring solid walnut and anodized aluminum.
HYTE Revolt 3 Mini-ITX Case with Handle
Best for: portable Mini-ITX desktop gaming setups
- 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 metal small form factor case engineered strictly for Mini-ITX motherboards. It features an integrated carrying handle, a 7 by 9.9-inch footprint, and 16.1 inches of vertical clearance. Every exterior panel detaches completely, giving you 360-degree access during assembly and cable routing. It suits you if you want a compact gaming chassis with modern front-panel USB Type-C connectivity and portable transport.
Pros
- Integrated carrying handle for portability
- Removable external panels on all sides provide 360-degree component access
- Front I/O includes USB 3.2 Gen 2 Type-C and two USB 3.2 Gen 1 Type-A ports
- Three-year case warranty included
Cons
- Supports only standard Mini-ITX motherboards
- Power supply unit not included with this standalone version
Good fit if
- You need a portable Mini-ITX gaming build with a built-in handle.
- You want full 360-degree internal access from detachable exterior panels.
- You require front-panel USB 3.2 Gen 2 Type-C support.
Skip if
- You use a Micro-ATX, ATX, or E-ATX motherboard.
- You need a package with a bundled power supply or pre-installed fans.
Verdict: HYTE Revolt 3 SFF Mini-ITX Case delivers 360-degree hardware access and portable handle-equipped transport in a vertical footprint. It provides dedicated ITX builders with high connectivity without taking up extensive desk space.
KXRORS Portable Mini-ITX Case
Best for: compact setups needing front USB 3.0 Type-C
- Motherboard Support
- Mini-ITX
- Side Panel
- Mesh
- Max GPU Length
- ≤ 305mm
- Case Volume
- 8.1L
- Use
- Gaming
- Connectivity
- Type-C, USB 3.0
This compact 8.1L Mini-ITX chassis features three-sided mesh panels and a top leather handle for transport. You get a front-panel USB 3.0 Type-C port alongside clearance for graphics cards up to 305mm in length. It supports standard 100mm to 130mm SFX and SFX-L power supplies, paired with a 60mm CPU cooler limit. It suits you if you need a ventilated, compact build with modern front connectivity and dedicated dual-slot GPU space.
Pros
- Front I/O includes a USB 3.0 Type-C port
- Supports graphics cards up to 305mm in length and 55mm in height
- Three-sided mesh panels for airflow exchange
- Includes a PCIe 3.0 16X riser cable
Cons
- Restricts CPU cooler clearance to 60mm maximum
- Requires setting motherboard BIOS to PCIe Gen 3 mode for display output
- Limited to Mini-ITX motherboards and SFX or SFX-L power supplies
Good fit if
- You need front-panel USB 3.0 Type-C connectivity on a small desktop chassis.
- You plan to install a dedicated graphics card measuring up to 305mm.
- You want a portable 8.1L case equipped with an integrated carrying handle.
Skip if
- You plan to use a CPU air cooler taller than 60mm.
- You use full-size ATX motherboards or standard ATX power supplies.
- You require a native PCIe 4.0 riser cable straight out of the box.
Verdict: KXRORS 8.1L Portable Mini-ITX Case delivers compact SFF housing with front-panel USB 3.0 Type-C access and 305mm GPU compatibility. Its ventilated mesh construction and integrated handle suit mobile gaming setups with strict component clearance limits.
JOYJOM 4.3L Aluminum Mini-ITX Case
Best for: compact builds with dedicated mini graphics cards
- Motherboard Support
- Standard ITX
- Case Type
- SFF
- Case Volume
- 4.3L
- Tower Size
- Small Form Factor
- Use
- Gaming
- Compatible Device
- Graphics Card
This 4.3L small form factor chassis features a 2.0mm aluminum alloy body designed for ultra-compact desktop setups. You get an included 18.5cm PCIe 3.0 riser cable to mount a dedicated graphics card measuring up to 17 by 10 by 4 centimeters. It supports a standard Mini-ITX motherboard, a Flex-1U power supply, and CPU coolers under 36mm. It suits you if you need a minimal, portable build for tight spaces.
Pros
- Ultra-compact 4.3L volume constructed with 2.0mm aluminum alloy
- Includes an 18.5cm PCIe 3.0 riser cable for graphics card mounting
- Supports standard 17x17cm Mini-ITX motherboards
- Accommodates two 2.5-inch SSD drives under 9mm thick
Cons
- Restricts graphics cards to 17x10x4 cm maximum dimensions
- Limits CPU cooler height to less than 36mm
- Requires a Flex-1U form factor power supply
Good fit if
- You need an ultra-small 4.3L aluminum case for a Mini-ITX system.
- You use a compact graphics card measuring 17x10x4 cm or smaller.
- You have a low-profile CPU cooler under 36mm in height.
Skip if
- You plan to install a graphics card longer than 17 cm.
- You use a standard SFX or ATX power supply instead of Flex-1U.
- You require a PCIe 4.0 riser cable directly out of the box.
Verdict: JOYJOM 4.3L Aluminum Mini-ITX Case delivers a rigid 2.0mm aluminum build for ultra-dense setups requiring an included PCIe 3.0 riser. Its tight component clearances require strict adherence to 17cm GPU and 36mm CPU cooler limits.
ARrase Mid-Tower Tempered Glass PC Case
Best for: Micro-ATX builders wanting enclosed steel mid-towers
- Motherboard Support
- M-ATX, ITX, Mini-ITX
- Case Type
- Mid-Tower
- Side Panel
- Tempered Glass
- Use
- Gaming
- Weight
- 12.1 pounds
This ARrase mid-tower gaming chassis features a steel main structure and a tempered glass side panel for component visibility. Unlike the standard open-frame format, it provides an enclosed build space supporting Micro-ATX, ITX, and Mini-ITX motherboards. The front panel accepts up to four 120mm fans, paired with two top USB 3.0 ports. It suits you if you want traditional enclosure protection with compact motherboard support.
Pros
- Tempered glass side panel for hardware visibility
- Front mount supports four 120mm cooling fans
- Front I/O includes two USB 3.0 ports
- Steel front panel and frame construction
Cons
- Does not support full-size ATX or E-ATX motherboards
- Front fans are not included with the chassis
- Lacks a front-panel USB Type-C port
Good fit if
- You build with a Micro-ATX, ITX, or Mini-ITX motherboard.
- You want a tempered glass side panel to view your components.
- You prefer a steel mid-tower enclosure over an open frame.
Skip if
- You need mounting support for standard ATX motherboards.
- You want pre-installed cooling fans supplied with the case.
- You require a native front USB Type-C connection.
Verdict: ARrase Mid-Tower Tempered Glass Case offers an enclosed steel chassis with a glass side panel for compact motherboard builds. It provides straightforward cooling expansion with room for four front 120mm fans.
Specifications side by side
| Spec | FSP Open Frame Dual Chamber Case | SGPC 5L Portable Mini-ITX Case | Fractal Design Terra Mini-ITX SFF Case | HYTE Revolt 3 Mini-ITX Case with Handle | KXRORS Portable Mini-ITX Case | JOYJOM 4.3L Aluminum Mini-ITX Case | ARrase Mid-Tower Tempered Glass PC Case |
|---|---|---|---|---|---|---|---|
| Motherboard Support | EATX, ATX, Mini-ITX | Mini ITX | Mini ITX | ITX | Mini-ITX | Standard ITX | M-ATX, ITX, Mini-ITX |
| Case Type | Open Frame | SFF | Small Form Factor | Small Form Factor | not specified | SFF | Mid-Tower |
| Side Panel | not specified | Ventilated Steel | Anodized Aluminum | not specified | Mesh | not specified | Tempered Glass |
| Radiator Support | 360 mm | not specified | not specified | not specified | not specified | not specified | not specified |
| Max GPU Length | not specified | 185mm | 322 mm | not specified | ≤ 305mm | not specified | not specified |
| Case Volume | not specified | 5.1L | 10.4 L | not specified | 8.1L | 4.3L | not specified |
| Tower Size | not specified | Small Form Factor | not specified | Small Form Factor | not specified | Small Form Factor | Mid-Tower |
| Use | Gaming | Gaming | Gaming | Gaming | Gaming | Gaming | Gaming |
| Connectivity | not specified | not specified | Type-C | not specified | Type-C, USB 3.0 | not specified | not specified |
| Compatible Device | not specified | not specified | not specified | not specified | not specified | Graphics Card | not specified |
| Width | 455 millimeters | not specified | not specified | not specified | not specified | not specified | not specified |
| Height | 530 millimeters | not specified | not specified | not specified | not specified | not specified | not specified |
| Dimensions | not specified | 7.7 × 4.7 × 8.7 inches | 13.5 × 6.02 × 8.58 inches | 9.9 × 7 × 16.1 inches | 5.31 × 12.3 × 7.6 inches | 7.24 × 4.09 × 8.78 inches | not specified |
| Weight | not specified | 4.14 pounds | 8.82 pounds | 11 pounds | 4.41 pounds | 2.51 pounds | 12.1 pounds |
| Color | Red | WHITE | Jade | Black | S300 White | Black | Style 1 |
| Model | CMT710RED | K39 | FD-C-TER1N-03 | CS-HYTE-REVOLT3-B | not specified | not specified | 18648 |
| Size | not specified | not specified | mITX | not specified | not specified | not specified | One Size |
Frequently asked questions
Which alternative case supports the longest graphics card for gaming builds?
The Fractal Design Terra Mini-ITX SFF Case accommodates the longest graphics card among these alternatives. Its interior features an adjustable spine that supports graphics cards up to 322 mm in length. This makes it suitable for full-length GPUs in a compact 10.4-liter enclosure built with anodized aluminum and solid walnut accents, giving you substantial clearance in a small footprint.
Are there portable alternatives to the open-frame FSP chassis that include carrying handles?
Yes, both the HYTE Revolt 3 and KXRORS Portable Mini-ITX cases feature built-in handles for you to transport your build. The HYTE Revolt 3 uses a vertical layout measuring 7 by 16.1 by 9.9 inches and offers 360-degree internal access. The KXRORS case provides an 8.1-liter mesh exterior, an integrated handle, and clearance for cards up to 305 mm.
What is the most compact aluminum alternative for a minimal desk setup?
The JOYJOM 4.3L Aluminum Mini-ITX Case is the smallest option on the list. It features a rigid 2.0 mm aluminum frame measuring 4.09 by 8.78 by 7.24 inches and weighs 2.51 pounds. When building inside this enclosure, you must use components that fit within its strict 17 cm graphics card and 36 mm CPU cooler limits.
Which alternative provides front-panel USB Type-C connectivity?
You can choose the SGPC 5L, Fractal Design Terra, or KXRORS Mini-ITX cases for front-panel Type-C connectivity. The SGPC chassis provides a front USB-C port on a 5.1-liter body. The Fractal Design Terra integrates Type-C on its front panel, and the KXRORS case pairs front USB 3.0 Type-C connectivity with ventilated mesh side panels.
Can you choose an enclosed mid-tower alternative instead of an open-frame chassis?
The ARrase Mid-Tower Tempered Glass PC Case provides an enclosed steel alternative to open-frame layouts. It includes a tempered glass side panel to display your hardware while keeping components protected. For airflow and cooling hardware, the chassis provides mounting capacity for four front 120 mm fans and weighs 12.1 pounds in an enclosed structure.
How does the motherboard support of these alternatives compare to the FSP Open Frame?
The FSP Open Frame Dual Chamber Case supports larger boards up to EATX, whereas the alternatives focus on Mini-ITX configurations. Models like the SGPC 5L, HYTE Revolt 3, and JOYJOM 4.3L strictly house Mini-ITX motherboards. This allows you to save substantial desktop room compared to the 455 by 530 millimeter FSP frame.
Which alternative comes with an included PCIe riser cable?
The JOYJOM 4.3L Aluminum Mini-ITX Case includes a PCIe 3.0 riser cable inside the box. You need this ribbon cable to connect your graphics card horizontally inside its dense 4.3-liter aluminum chassis. This layout keeps the total case weight down to 2.51 pounds while accommodating dedicated mini graphics cards up to 17 centimeters.