Lian Li PC-V1000LB Black Aluminum ATX Full Tower Chassis Motherboard Compatibility: E-ATX,ATX,Micro-ATX Front Ports: USB3.0 x 4 ,HD Audio 120mm Fans: (Front) 120mm Fan x 3 (Rea) 120mm Fan x 1 (Top) 140mm or 120mm Fan x2 (Optional) (Bottom) 120mm Fan x 2 (Optional) External 5.25 Drive Bays: 1 Internal 3.5 Drive Bays: 3.5 HDD or 2.5 HDD x 9+2.5 HDD x2 or 3.5 HDD x1 Expansion Slots: 8 Dimensions (H x W x D): 21.70 x 8.66 x 24.05 Weight: 20.50 lbs.