Model ASUS A21 PLUS Case Motherboard Support Micro-ATX Mini-ITX BTF motherboard compatible Drive Bays 1 x 2.5" Bay 2 x 2.5"/3.5" Combo Bay Expansion Slots 5 Front I/O Port 1 x Headphone 1 x Microphone 2 x USB 3.2 Gen1 Radiator Support (Front) 120 mm 140 mm 240 mm 280 mm 360 mm Radiator Support (Top) 120 mm 140 mm 240 mm 280 mm 360 mm Radiator Support (Rear) 120 mm Cooling Support (Front) 3 x 120 mm 2 x 140 mm Cooling Support (Top) 3 x 120 mm 2 x 140 mm Cooling Support (Rear) 1 x 120 mm Pre-installed Fans (Front) 3 x 120 mm ARGB Pre-installed Fans (Rear) 1 x 120 mm ARGB Maximum CPU Cooler Height 165 mm Maximum GPU Length 380 mm Maximum PSU Length 210 mm Dimensions 220*430*465 mm Weight 8.1 Kg BTF motherboard compatible Yes