FORMD T1
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FormD T1 v2.1 from formdt1.com is our #1 pick and probably the most popular and beloved ITX case to ever exist. Its versatility and compatibility is unmatched at 10L in volume. The FormD T1 provides an excellent build experience and multiple configurations, such as air cooling, AIO and custom liquid cooling. This really is the case for those who like to tinker.
DAN C4-SFX V2
The C4-SFX case was developed with focus on strong high-end hardware compatibility - while be as small as possible. This case uses inverted reference layout having GPU up top for best cooling performance. 280mm radiators are supported, air cooler up to 145mm in height and 3.7 slot full length graphics cards. The most appealing factor for most will be the 13.88L case volume given there are not many cases between the under 14L mark with this level of hardware compatibility. Think NCASE M2... only better.
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SKYREACH 5 MINI
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NFC/NCASE S5M is 10L SFF focused console layout ITX case. The S5M was optimised for RTX 5080/90 FE graphics cards. Other GPU's are also supported upto 304mm long, 123mm tall & 3-Slots wide. CPU coolers upto 66mm in height are also supported. Case pricing is between $225-$255
Our top picks for the best Mini-ITX cases in 2026 based on popularity, form factor, build quality and compatibility. We periodically update this list to reflect new ITX cases.
