Small Form Factor Cases
A small form factor PC case lets you build a powerful system without giving up a large footprint on your desk. Whether you're working with a Mini-ITX motherboard and need every cubic inch to count, or you want a compact rig that travels well to LAN events, a small PC case gives you the flexibility to pack real performance into a tight chassis. CORSAIR's lineup of SFF PC cases is built around that goal: giving you the room you need for capable hardware while keeping the overall build compact and clean.
What Is a Small Form Factor PC Case?
A small form factor PC case, often called an SFF PC case or mini PC case, is designed to house compact motherboard form factors — most commonly Mini-ITX boards — in a smaller chassis than a standard mid-tower. These cases typically have a reduced volume measured in liters, which means more deliberate component layout and efficient use of internal space. The result is a system that fits comfortably on a desk, shelf, or in a carry bag without sacrificing the core hardware that drives performance.
What to Consider When Choosing a Small PC Case
Before you settle on a case, think through the components you're planning to build with:
- Motherboard compatibility: Most small form factor cases are designed for Mini-ITX boards. Confirm the case supports your specific board size.
- GPU clearance: If you're including a discrete graphics card, check the maximum GPU length and slot support the case allows.
- Cooling options: Compact cases vary in how much cooling they can accommodate. Look at radiator support and fan mount positions to match your cooling setup.
- Power supply format: Many SFF cases require an SFX power supply rather than a standard ATX unit. Confirm PSU compatibility before buying.
- Drive bays: Check the number and type of storage bay options, particularly if you need space for multiple SSDs or a 2.5-inch drive.
- Airflow design: Mesh panels and vented layouts help manage thermals in smaller enclosures where airflow is more restricted.
Who Benefits from an SFF PC Case?
Small PC cases suit a wide range of builders. Gamers who want a capable system with a minimal desk presence, creators who need a workstation that fits a compact studio setup, and anyone who values portability without stepping down on hardware capability will find SFF cases practical and worthwhile.
Building Smart in a Compact Chassis
Planning your build carefully before you start is especially important in a small form factor case. Cable management, component order of installation, and thermal planning all matter more when space is limited. Pairing your case with components designed for compact builds — including SFX power supplies and low-profile or 240mm AIO coolers where supported — makes the process smoother.
Browse our full range of small form factor cases to find the right chassis for your next compact build.