Silverstone Technology SST-SG13B-V2 Ultra Compact Mini-ITX Computer Case with Mesh Front Panel, Black
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AI Verdict
This 11.5-liter mesh shoebox is a cheap gateway into mini-ITX building for anyone willing to cram an ATX power supply and a 120mm AIO into a painfully tight space.
The SG13 is a masterclass in space efficiency, but it demands specific hardware choices. You must use a 120mm AIO liquid cooler because the ATX power supply sits directly over the CPU, choking any low-profile air cooler. It strictly limits you to true 2-slot GPUs under 270mm, ruling out most current-gen high-end cards.
If your GPU is thicker than 129mm or longer than 270mm, step up to an 18-liter case like the Cooler Master NR200.
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Pros
- Accepts standard 150mm ATX power supplies, saving you $50+ over buying an SFX unit.
- Front mesh panel and 120mm AIO support keep CPU temperatures under 65C during gaming.
- Fits 10.6-inch (270mm) graphics cards, easily swallowing a dual-fan RTX 4070 or 3060 Ti.
- At 11.5 liters, it takes up less desk space than a standard shoebox.
Cons
- CPU air cooler clearance is capped at a suffocating 61mm when using an ATX power supply.
- Strict two-slot GPU width limit (129mm) means modern 2.5-slot or 3-slot cards physically will not fit.
- Zero included case fans means you have to buy your own 120mm or 140mm intake.
- You have to completely remove the power supply to access the motherboard or change RAM.
Dimension Scores
Cramming an ATX power supply, 120mm AIO, and a 10.6-inch GPU into 11.5 liters is top-tier space utilization.
The mesh front allows good airflow, but the power supply fan sits right against the top panel, making it audible under load.
The steel frame is sturdy at 5.4 pounds, but the front panel requires a screwdriver to remove and lacks a toolless design.
There is zero space behind the motherboard tray, forcing you to shove all excess cables between the power supply and the front fan.
Best For
- Budget SFF builders reusing a standard ATX power supply from an older mid-tower.
- Living room HTPC setups relying on a 120mm AIO liquid cooler and a strict 2-slot GPU.
- Backpack-portable LAN rigs using a 140mm short-depth ATX power supply.
Not Recommended For
- Anyone trying to use a modern 2.5-slot or 3-slot graphics card.
- Builders who want to use tower air coolers like the Cooler Master Hyper 212.
- First-time PC builders who get frustrated by routing cables with zero tie-down space.
Watch Out For
- No SFX adapter bracket included — if you buy a smaller SFX power supply, you need to spend $15 on a Silverstone adapter plate to mount it.
- Installing a 140mm front fan or radiator reduces your maximum GPU length to 9.3 inches, blocking most triple-fan cards.
- The front panel USB and audio cables are ridiculously long for an 11.5L case, forcing you to stuff the excess wire directly above the motherboard.
- Using a 3.5-inch hard drive requires mounting it to the top bracket, which blocks the top ventilation and traps heat from the power supply.
Full Specifications
| ASIN | B07CDLS631 |
| Brand | SilverStone |
| Color | SG13B-V2 |
| Series | CS-SG13B-V2 |
| Fan Size | 120 Millimeters |
| Material | Mesh or plastic |
| Case Type | Integrated |
| Model Name | CS-SG13B-V2 |
| Item Weight | 5.34 pounds |
| Manufacturer | SilverStone Technology |
| Cooling Method | Water |
| Item model number | SST-SG13B-V2 |
| Product Dimensions | 11.26 x 8.74 x 7.32 inches |
| Item Dimensions LxWxH | 11.26 x 8.74 x 7.32 inches |
| Number of USB 2.0 Ports | 2 |
| Number of USB 3.0 Ports | 2 |
| Motherboard Compatability | Mini ITX |
| Power Supply Mounting Type | Bottom Mount |
| Recommended Uses For Product | Business, Gaming |
| Is Discontinued By Manufacturer | No |
What Buyers Say
Cable management in the SG13 is basically just shoving wires into the gap behind the front fan and praying the side panel closes. The ability to accept standard 150mm ATX power supplies keeps total build costs drastically lower than typical small form factor rigs. The mesh front panel acts as a lifesaver for thermals, allowing a 120mm AIO to exhaust CPU heat directly out the front. The strict 129mm GPU width limit forces buyers to hunt down older or lower-tier true 2-slot graphics cards. Cleaning the front dust filter requires unscrewing the entire outer shell, turning basic maintenance into a 15-minute chore.
“I love how tiny this thing is on my desk but my hands are literally bleeding from trying to cram the stiff ATX power cables behind the radiator tubes at 2am.”
Common Praise
- Fits standard 150mm ATX power supplies, eliminating the need for a $130 SFX unit.
- Mesh front panel allows a 120mm AIO to keep a Ryzen 5 5600X under 65C.
- The 11.5-liter footprint takes up less desk space than a standard sheet of printer paper.
- Steel chassis feels surprisingly rigid and doesn't flex when fully loaded with components.
Common Complaints
- Zero cable routing space means you have to zip-tie excess wires directly above the motherboard.
- Strict 129mm GPU width limit makes it impossible to install modern 2.5-slot graphics cards.
- Removing the power supply is mandatory just to swap out a stick of RAM or access the CPU block.
- Front panel audio cables are way too long and clutter the tiny interior.
Ownership Tips
- The top panel gets noticeably hot because the ATX power supply exhausts heat directly against the metal.
- Dust builds up quickly on the side GPU vent because it lacks a dedicated magnetic dust filter.
- If you mount the PSU with the fan facing down, it competes with the CPU cooler for air and ruins thermals.
Frequently Asked Questions
Can I use an ATX power supply and a tall CPU air cooler?
No. The ATX power supply mounts directly above the motherboard, leaving only 61mm of clearance for a CPU cooler. You need a low-profile cooler like the Noctua NH-L9a or a 120mm AIO liquid cooler.
Does it come with any fans?
Zero fans are included in the box. You need to buy a 120mm or 140mm fan for the front intake to get any airflow.
Will a 3-slot GPU fit?
Absolutely not. The GPU cutout and side panel clearance strictly limit you to a 2-slot card with a maximum width of 129mm.
Can I fit a 140mm AIO liquid cooler?
Yes, a 140mm AIO fits in the front, but it cuts your maximum GPU length down from 10.6 inches to 9.3 inches. Measure your graphics card before buying a 140mm cooler.
Do I need an SFX power supply?
You don't need one, as standard ATX power supplies up to 150mm fit perfectly. Using an SFX unit gives you more cable management room, but you'll have to buy an ATX-to-SFX adapter bracket separately.
Buying Guide
Building in an 11.5-liter case requires planning every single millimeter before you buy parts. You cannot just throw a standard air cooler in here; the power supply sits directly over the motherboard, so a 120mm AIO liquid cooler is practically mandatory for good temps. You also need to measure your graphics card's exact thickness, because anything wider than a strict two-slot design will hit the steel frame. Buy a modular power supply and custom short cables if you want to keep your sanity.
11.5 Liter Volume
Think of this as the total internal capacity. At 11.5 liters, it's about the size of a large shoebox, meaning you have zero dead space to hide ugly cables.
61mm CPU Cooler Clearance
This is the gap between your processor and the bottom of the power supply. It's so narrow that a standard soda can wouldn't fit, which is why liquid cooling is recommended.
129mm GPU Width Limit
This dictates how thick your graphics card can be. If your card has a massive triple-fan cooler that spills over two PCI slots, the case lid physically will not slide shut.
Alternatives
If you want to use a massive 3-slot graphics card or a tall tower air cooler, search for an 18-liter ITX case with a vertical GPU mount and 155mm+ cooler clearance.
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