Teknisk Info for ASUS A21 Black micro-ATX case
Supported motherboard form factorsmicro ATX, Mini-ITX
Number of 3.5" bays2
Number of 2.5" bays1
Product colourBlack
Suitable forGaming
Maximum CPU cooler height16.5 cm
TypePC
Side windowYes
Number of expansion slots5
Maximum PSU length21 cm
Cable managementYes
Maximum graphics card length38 cm
Weight7.3 kg
Height465 mm
Width220 mm
Depth430 mm
Package width525 mm
Package weight8.4 kg
Package depth288 mm
Package height493 mm
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity2
Audio inputYes
Audio outputYes
Top radiator sizes supported360 mm, 240 mm, 120, 280 mm, 140
Front radiator sizes supported120, 240, 140, 360 mm, 280 mm
Number of rear fans supported (max)1
Number of top fans supported (max)3
Number of front fans supported (max)3
Rear radiator sizes supported120 mm
Front fans diameters supported140 mm, 120 mm
Top fans diameters supported120 mm, 140 mm
Rear fans diameters supported120 mm