| Brand | ASUS |
|---|---|
| Form Factor | mATX, mATX-BTF |
| PSU Form Factor | ATX |
| Model | ASUS A21 Case |
| Motherboard Support | Micro-ATX Micro-ATX with Back Connectors Mini-ITX |
| Drive Bays | 1 x 2.5″ Bay 2 x 2.5″/3.5″ Combo Bay |
| PCI Expansion Slots | 5 |
| Front I/O Port | 1 x Headphone 1 x Microphone 2 x USB 3.2 Gen1 |
| Radiator Support | Front and Top: 240, 280, 360mm Rear: |
| Fan Support | Front: 3x 120mm or 2x 140mm Top: Rear: |
| Maximum CPU Cooler Height | 165mm |
| Maximum GPU Length | 380mm |
| Maximum PSU Length | 210mm |
| Dimensions | 220*430*465 mm |
| Weight | 7.3Kg |
