The ASUS A31 is a mid-tower case designed for minimalist mainstream PC builders
Case size: Mid-tower
Motherboard support: ATX, Micro-ATX, Mini-ITX, BTF motherboard compatible
Dimensions: 238 x 511 x 435 mm (9.37 x 20.12 x 17.13 inches)
Weight: 8.2 kg (18.08 pounds)
Maximum GPU length: 380 mm (14.96 inches)
Maximum CPU cooler height: 165 mm (6.5 inches)
Maximum PSU length: 200 mm (7.87 inches)
Drive bays: 2 x 2.5"/3.5" Combo Bay
Expansion slots: 7
Front I/O port: 1 x USB 3.2 Gen 2x2 Type C, 2 x USB 3.2 Gen 1, 1 x headphone/microphone
Dust filters: Removable dust filters on the top and bottom
