The Best Micro-ATX Cases

ATX, SFX and SFX-L units are all listed. On GPU clearance it sits mid-pack at 415mm: the D33 comes in at 435mm, and the Prime AP201 comes in at 338mm. On volume it sits mid-pack at 26.3L: the B4-mATX comes in at 21.3L, and the Prime AP201 comes in at 33L.

You also get mounts for up to ten 120mm fans, a wood front with steel mesh panels and four expansion slots. GPU limit in the A3-mATX: 415mm, before front fans. The A3-mATX takes 360mm radiators; mind RAM height.

Boards: mATX, ITX. When we checked, only the 2800X RS-R and cheaper picks cost less, and the Prime AP201 cost more. If you want a confirmed CPU cooler clearance, look to the D33 instead: it comes in at 172mm, while this one gives no figure.

It also takes back-connect mATX BTF boards and has a front USB-C port. Nothing else here matches its 435mm GPU clearance; the A3-mATX comes closest at 415mm. It also comes with nine fan positions, a magnetic front grille and two 3.5-inch and two 2.5-inch drive bays.

GPU limit in the D33: 435mm, before front fans. The D33 takes 360mm radiators; mind RAM height. Boards: Micro-ATX, Mini-ITX, mATX BTF.

Only the Prime AP201 came close to it on price at the time of writing; it cost the most of the 6 picks. There is no published PSU length limit figure, whereas the D31 Mesh comes in at 220mm.

Choosing an SFX power supply frees room for a 360mm AIO; an ATX unit must be 140mm or shorter. Its 358mm GPU clearance ranks fourth of 5 here, behind the D33 (435mm) and ahead of the Prime AP201 (338mm). On PSU length limit it trails the group at 140mm, while the D31 Mesh comes in at 220mm.

Nothing else here matches its 21.3L volume; the A3-mATX comes closest at 26.3L. MATX motherboards is unique to it among these picks, while the 2800X RS-R uses micro-ATX motherboards. You also get two slim 120mm fans and a 360mm AIO when paired with an SFX PSU.

GPU limit in the B4-mATX: 358mm, before front fans. The B4-mATX takes 360mm radiators; mind RAM height. It undercut the D31 Mesh and every other pick on price at the time of writing. The maker doesn't give its CPU cooler clearance; if that figure matters, the D33 comes in at 172mm.

It takes 338mm graphics cards and a 360mm radiator, with a 32mm gap behind the tray for cables. Mesh panels with over 57,000 holes keep airflow high, and it supports 280mm and 360mm radiators with up to six fans. It is a compact Micro-ATX case.

Its compact Micro-ATX body suits a small desk without giving up a 360mm radiator. On GPU clearance it trails the group at 338mm, while the D33 comes in at 435mm. Its 180mm PSU length limit ranks second of 3 here, behind the D31 Mesh (220mm) and ahead of the B4-mATX (140mm).

On volume it trails the group at 33L, while the B4-mATX comes in at 21.3L. Like the 2800X RS-R, it has micro-ATX motherboards, while the B4-mATX uses mATX motherboards. GPU limit in the Prime AP201: 338mm, before front fans.

The Prime AP201 takes 360mm radiators; mind RAM height. GPU clearance is its weakest area, and the D33 covers it better at 435mm.

Its GPU limit runs from 330mm to 400mm depending on how you lay out the case. On PSU length limit it leads this guide at 220mm, ahead of the Prime AP201 (180mm). It also offers outer dimensions of 205 x 363 x 452mm.

Confirm GPU length for the D31 Mesh with its maker. 220mm is the D31 Mesh's PSU length cap. Boards: mATX, ITX.

On price it sat second of 6, between the cheaper B4-mATX and the pricier 2800X RS-R, at the time of writing. The maker doesn't give its GPU clearance; if that figure matters, the D33 comes in at 435mm.

It has 410mm of GPU room in a Micro-ATX footprint. Wraparound glass shows off the build, and three reverse-rotor fans in the side panel pull air in. It suits a showcase build.

Its 410mm GPU clearance ranks third of 5 here, behind the D33 (435mm) and ahead of the Prime AP201 (338mm). It shares micro-ATX motherboards with the Prime AP201; the B4-mATX goes with mATX motherboards. It also offers PWM and ARGB fan headers.

GPU limit in the 2800X RS-R: 410mm, before front fans. On price it sat third of 6, between the cheaper D31 Mesh and the pricier A3-mATX, at the time of writing. The maker doesn't give its CPU cooler clearance; if that figure matters, the D33 comes in at 172mm.