Best SilverStone Small Form Factor PC Cases in 2026: 4 Picks
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You are looking for the best SilverStone small form factor PC cases, and we have narrowed the field to four distinct options. We compared these models strictly by their published specifications to ensure accuracy. The SilverStone Micro-ATX Small Form Factor Case leads this list because it supports standard ATX power supplies within its compact 15 by 13 by 19 inch chassis. This flexibility makes it ideal for builders who need Micro-ATX support without sacrificing component compatibility. Each pick here is based on the specs provided by the manufacturers. This guide helps you decide which chassis fits your specific build requirements.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | SilverStone Micro-ATX Small Form Factor Case Best overall | Micro-ATX builds in small form factor cases | Check price of SilverStone Micro-ATX Small Form Factor Case on Amazon |
| 2 | SilverStone Small Form Factor Mini-ITX Case Best budget | Mini-ITX builds with AIO cooling | Check price of SilverStone Small Form Factor Mini-ITX Case on Amazon |
| 3 | SilverStone Slim Mini-ITX Case with Handle Also great | portable Mini-ITX builds | Check price of SilverStone Slim Mini-ITX Case with Handle on Amazon |
| 4 | SilverStone 2U 12-Bay Rackmount Chassis Best premium | High-density rackmount storage builds | Check price of SilverStone 2U 12-Bay Rackmount Chassis on Amazon |
The best fit for you
- You need Micro-ATX flexibility with standard ATX PSU support SilverStone Micro-ATX Small Form Factor Case This case supports Micro-ATX motherboards and standard ATX power supplies in a compact chassis.
- You want the most compact model on the list SilverStone Small Form Factor Mini-ITX Case Its 10-inch height and 6-pound weight make it the smallest and lightest option here.
- You need a portable Mini-ITX build with a handle SilverStone Slim Mini-ITX Case with Handle The integrated handle and slim 3.43-inch height facilitate easy transport for Mini-ITX systems.
- You require high-density storage in a 2U rackmount format SilverStone 2U 12-Bay Rackmount Chassis This 2U chassis provides twelve drive bays and fits large E-ATX motherboards for server use.
Our 4 picks
SilverStone Micro-ATX Small Form Factor Case
Best for: Micro-ATX builds in small form factor cases
- Tower Size
- Small Form Factor (what this guide is about)
- 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 Affiliate link
This SilverStone SG11 is a small form factor case supporting Micro-ATX, Mini-DTX, and Mini-ITX motherboards. It accommodates an ATX power supply and graphics cards of any length. The interior allows for CPU coolers up to 82mm in height. You get ample space for 2.5-inch drives. The chassis measures 15 by 13 by 19 inches and weighs 13.5 pounds.
Pros
- Supports Micro-ATX, Mini-DTX, and Mini-ITX motherboards
- Compatible with ATX power supplies
- Accepts graphics cards of any length
- Provides 82mm CPU cooler clearance
Cons
- Limited to 82mm CPU cooler height
- No mention of 3.5-inch drive bays
- Heavier at 13.5 pounds than typical Mini-ITX cases
Good fit if
- You need Micro-ATX motherboard support in a small chassis
- You plan to use a standard ATX power supply
- You require graphics cards of any length
Skip if
- You need 3.5-inch HDD storage bays
- You require a taller CPU cooler than 82mm
- You prefer a Mini-ITX only form factor
Verdict: SilverStone SG11 Micro-ATX SFF Case fits builders who want Micro-ATX flexibility and standard ATX PSU support in a compact SFF chassis without GPU length restrictions.
SilverStone Small Form Factor Mini-ITX Case
Best for: Mini-ITX builds with AIO cooling
- Tower Size
- Small Form Factor (what this guide is about)
- 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
View on Amazon: SilverStone Small Form Factor Mini-ITX Case Affiliate link
The SilverStone SG13B is a compact Small Form Factor case designed for Mini-DTX and Mini-ITX motherboards. It supports ATX power supplies and graphics cards up to 10.5 inches long. You can install a 120mm or 140mm all-in-one liquid cooler. The case includes drive bays for 2.5 and 3.5-inch drives. Its faux aluminum front panel adds a clean look to your setup.
Pros
- Supports Mini-DTX and Mini-ITX motherboards
- Accommodates graphics cards up to 10.5 inches
- Compatible with 120mm or 140mm AIO coolers
- Includes bays for 2.5 and 3.5-inch drives
Cons
- Maximum GPU length is limited to 10.5 inches
- Only supports Mini-DTX and Mini-ITX form factors
- Front panel is faux aluminum, not real metal
Good fit if
- You need a compact case for Mini-ITX builds
- You plan to use an all-in-one liquid cooler
- You want drive space for 2.5 and 3.5-inch drives
Skip if
- You require support for standard ATX motherboards
- You need to install a graphics card longer than 10.5 inches
- You prefer a full-size tower case for easier access
Verdict: SilverStone SG13B Small Form Factor Case fits users building tight Mini-ITX systems who need AIO cooling support. It offers a practical layout for small drives but restricts larger components.
SilverStone Slim Mini-ITX Case with Handle
Best for: portable Mini-ITX builds
- Tower Size
- Small Form Factor (what this guide is about)
- 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
View on Amazon: SilverStone Slim Mini-ITX Case with Handle Affiliate link
This SilverStone ML08B-H is a slim small form factor case designed for Mini-ITX motherboards. It measures 15 inches wide, 3.43 inches high, and 14.6 inches long. The case supports graphics cards up to 13 inches long and includes a removable carrying handle. You can mount it horizontally or vertically to fit various environments. It weighs 7.72 pounds and features a tool-less drive cage for easier assembly.
Pros
- Supports Mini-ITX motherboards and SFX power supplies
- Accepts graphics cards up to 13 inches long
- Includes a removable carrying handle for portability
- Tool-less drive cage simplifies installation
- Flexible horizontal or vertical mounting options
Cons
- Limited to Mini-ITX motherboards only
- Slim profile restricts overall component size
- No support for larger ATX or Micro-ATX boards
Good fit if
- You need a portable Mini-ITX build
- You want a slim case for tight spaces
- You prefer horizontal or vertical mounting flexibility
Skip if
- You require support for ATX motherboards
- You need room for large graphics cards
- You want a full tower case
Verdict: SilverStone ML08B-H Mini-ITX Slim Case suits users needing a portable, space-saving Mini-ITX build with flexible mounting options.
SilverStone 2U 12-Bay Rackmount Chassis
Best for: High-density rackmount storage builds
- Tower Size
- Small Form Factor (what this guide is about)
- Motherboard Support
- E-ATX, SSI-EEB
- Case Type
- 2U Rackmount
- Included Fans
- 3x 80mm x 38mm PWM
- Dimensions
- 26 × 16.9 × 3.48 inches
View on Amazon: SilverStone 2U 12-Bay Rackmount Chassis Affiliate link
This SilverStone 2U rackmount chassis is built for high-density storage rather than standard desktop use. It supports twelve hot-swap 2.5-inch or 3.5-inch drives via a Mini-SAS HD backplane. The unit includes three 80mm PWM fans for cooling. It accommodates E-ATX and SSI-EEB motherboards, making it suitable for specialized server or workstation builds. You need a rackmount environment to use this case effectively.
Pros
- Supports twelve hot-swap 2.5-inch or 3.5-inch drives
- Includes three 80mm x 38mm hot-swappable PWM fans
- Accepts E-ATX and SSI-EEB motherboards
- Features independent drive status LEDs
Cons
- 2U form factor requires rackmount installation
- Limited to SSI-EEB and E-ATX motherboard sizes
- Uses 80mm fans which are smaller than standard 120mm options
Good fit if
- You need a dedicated rackmount storage solution
- You are building a server with E-ATX or SSI-EEB boards
- You require twelve hot-swap drive bays
Skip if
- You want a standard desktop tower case
- You use Micro-ATX or Mini-ITX motherboards
- You need a quiet, low-profile desktop chassis
Verdict: SilverStone 2U 12-Bay Rackmount Chassis is a specialized storage unit for rack environments. It fits users who need high-density drive bays and support for large E-ATX or SSI-EEB motherboards in a server setting.
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 |
|---|---|---|---|---|
| Motherboard Support | Micro-ATX, Mini-DTX, Mini-ITX | Mini-DTX, Mini-ITX | Mini-ITX | E-ATX, SSI-EEB |
| Case Type | SFF | Small Form Factor | Slim Small Form Factor | 2U Rackmount |
| Included Fans | not stated | not stated | not stated | 3x 80mm x 38mm PWM |
| Radiator Support | not stated | 120mm, 140mm | not stated | not stated |
| Max GPU Length | Any length | 10.5 inches | 13 inches | not stated |
| Tower Size | Small Form Factor | Small Form Factor | Small Form Factor | Small Form Factor |
| Dimensions | 19 × 15 × 13 inches | 14 × 12 × 10 inches | 14.6 × 15 × 3.43 inches | 26 × 16.9 × 3.48 inches |
| Weight | 13.5 pounds | 6 pounds | 7.72 pounds | not stated |
| Color | Black (SG11) | SG13B-Q-V1 | ML08B-H | Yellow |
| Model | SG11B | SG13B-Q | ML08B-H | RM22-312 |
| Size | not stated | not stated | not stated | 2U |
Choosing the Right SilverStone SFF Case
-
Check Motherboard Compatibility
Your motherboard size determines which case fits. The SilverStone SG11 supports Micro-ATX boards, offering more expansion slots than smaller options. If you use a Mini-ITX board, the SG13B or ML08B work well. These cases are tighter but save space. The RM22-312 handles large E-ATX or SSI-EEB boards. Verify your board fits before buying. Mismatched sizes mean you cannot install components. This is the first step in selection.
-
Consider Power Supply Needs
Standard ATX power supplies add bulk but offer choice. The SG11 accommodates these larger units, giving you flexibility in power selection. Smaller cases like the SG13B often require SFX or SFX-L PSUs. These are more expensive and limited in options. If you already own an ATX PSU, the SG11 is practical. If you prefer compact power units, the Mini-ITX cases suit you better. Check your PSU size to avoid compatibility issues during build.
-
Evaluate Physical Dimensions
Case dimensions dictate where you can place the system. The SG11 measures 15 by 13 by 19 inches. It is substantial but fits standard desks. The SG13B is much smaller at 12 by 10 by 14 inches. It fits in tighter spaces. The ML08B is thin, measuring only 3.43 inches in height. This makes it ideal for horizontal setups. Measure your available space before choosing. A case that is too large will not fit your intended location.
-
Assess Weight and Portability
Weight affects how easily you can move the system. The SG11 weighs 13.5 pounds, making it heavy for frequent transport. The SG13B is lighter at 6 pounds, easier to carry. The ML08B weighs 7.72 pounds and includes a handle for portability. If you travel with your PC, the ML08B or SG13B are better choices. The RM22-312 is a rackmount unit and is not designed for mobility. Consider your transport needs when selecting a model.
-
Plan for Cooling Solutions
Cooling options vary by case design. The SG13B supports AIO cooling, which is useful for compact Mini-ITX builds. Air cooling might be restricted in tight spaces. The SG11 offers more room for various cooling setups due to its larger volume. The RM22-312 is designed for server environments with high-density storage. It may require specialized cooling for rack use. Ensure your CPU cooler fits within the specified height and clearance limits of your chosen case.
Frequently asked questions
Which SilverStone case supports standard ATX power supplies?
The SilverStone SG11 is the only model in this list that accepts standard ATX power supplies. It is designed for Micro-ATX motherboards and offers a compact footprint. This makes it ideal if you need standard PSU compatibility without sacrificing too much space. Other options here are limited to smaller form factors or specialized rackmount configurations.
What is the smallest SilverStone case on this list?
The SilverStone SG13B is the smallest option, measuring 10 inches in height and weighing just 6 pounds. It is built for Mini-ITX motherboards and supports AIO cooling. Its compact dimensions make it suitable for tight spaces, though it restricts larger components compared to the Micro-ATX SG11 or the slim ML08B.
Can I use a Micro-ATX board in the SG13B?
No, the SilverStone SG13B is strictly designed for Mini-ITX motherboards. It does not support larger Micro-ATX boards. If you need Micro-ATX support, you should look at the SG11 instead. The SG13B prioritizes a smaller footprint for Mini-ITX builds, which limits motherboard compatibility to the smallest standard size.
Which case is best for portable Mini-ITX builds?
The SilverStone ML08B-H is the best choice for portable builds. It features a slim profile and includes a handle for easy transport. It supports Mini-ITX motherboards and offers flexible mounting options. Its design allows you to move your system easily while keeping the build compact and space-efficient for travel or small desks.
Is there a SilverStone case for rackmount storage?
Yes, the SilverStone RM22-312 is a 2U rackmount chassis designed for high-density storage. It supports large E-ATX or SSI-EEB motherboards and features 12 drive bays. This model is specialized for server environments and rack installations. It is not intended for standard desktop use but serves users needing dense storage in a rack setting.
How heavy is the SilverStone SG11 case?
The SilverStone SG11 weighs 13.5 pounds. It measures 19 inches in length, 15 inches in width, and 13 inches in height. This weight reflects its robust construction for Micro-ATX builds. It is heavier than the Mini-ITX options like the SG13B, which weighs only 6 pounds, due to its larger size and PSU support.
Does the ML08B support standard ATX power supplies?
The product data does not specify power supply support for the SilverStone ML08B-H. It is described as a slim Mini-ITX case with a handle. Since it is designed for Mini-ITX boards, it likely uses smaller or specialized power supplies, but specific PSU compatibility is not listed in the provided specifications. Check the manual for details.