Mini Tower Motherboard with Mini-ITX and Mini-DTX Drive Support Case Size The Bays Four 2.5" bays and one 2.5"/3.5" combo bay with three expansion slots Two USB ports on the front USB 3.2 Gen2 Type C x 3.2 Gen1 Two USB Cooling Support (Top) 2 x 120 mm 2 x 140 mm Cooling Support (Rear) 2 x 120 mm Tempered glass front side right side radiator support (rear) 120 mm 240 mm The tallest CPU cooler is 130 mm. 320 mm is the maximum GPU length. 160 mm is the maximum PSU length (ATX or SFX). Dust filters that can be removed from the front, top, and bottom; maximum cable management space of 40 mm Measurements 7.64 (W) x 20.9 (H) x 15.2 (D) inches, or 194 (W) x 531 (H) x 386 (D) mm