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Mini-ITX cases build small PCs. Clearance for GPU, cooler and power supply is the main limit.
This guide is built from Amazon product listings and maker specs, not our own testing, so confirm size, compatibility, features and current price on each product page.
Prices are approximate US dollar conversions of what Amazon showed on November 1, 2026.
Last updated: November 1, 2026.
Quick Picks
| Product | Type | Best for |
|---|---|---|
| Cooler Master NR200 | Mini-ITX case | High-airflow SFF |
| S300 Mini-ITX Gaming Case | Mini-ITX case | Front USB Type-C |
| SGPC K39 5L Mini ITX | Mini-ITX case | Portable 5L case |
| SGPC K66 Lite 8.4L Mini ITX | Mini-ITX case | Glass SFF case |
| Lian Li A4-H2O | Mini-ITX SFX case | Tiny PCIe 5.0 riser case |
Our Picks
1. Cooler Master NR200
A Cooler Master NR200 (mini-itx case), per the listing. It was shown at about $75 on Amazon.com on November 1, 2026.
Good for: High-airflow SFF. Watch out: 330mm GPU limit per listing.
2. S300 Mini-ITX Gaming Case
A S300 Mini-ITX Gaming Case (mini-itx case), per the listing. It was shown at about $85 on Amazon.com on November 1, 2026.
Good for: Front USB Type-C. Watch out: lesser-known brand.
3. SGPC K39 5L Mini ITX
A SGPC K39 5L Mini ITX (mini-itx case), per the listing. It was shown at about $87 on Amazon.com on November 1, 2026.
Good for: Portable 5L case. Watch out: tight build.
4. SGPC K66 Lite 8.4L Mini ITX
A SGPC K66 Lite 8.4L Mini ITX (mini-itx case), per the listing. It was shown at about $90 on Amazon.com on November 1, 2026.
Good for: Glass SFF case. Watch out: tight build.
5. Lian Li A4-H2O
A Lian Li A4-H2O (mini-itx sfx case), per the listing. It was shown at about $155 on Amazon.com on November 1, 2026.
Good for: Tiny PCIe 5.0 riser case. Watch out: SFX power supply.
How to Choose
GPU length
Check the case limit.
PSU
SFX or ATX.
Cooling
Small cases run hot.
Frequently Asked Questions
Is ITX hard to build?
Harder than ATX.
Cheapest?
NR200.
Smallest?
Lian Li A4 or SGPC K39.
Bottom Line
For value, the Cooler Master NR200. For tiny builds, the SGPC K39 or Lian Li A4.
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