Motherboards E-ATX(Without CD-ROM) /ATX/Micro ATX/Mini-ITX Materials ABS+SPCC(Panel thickness: 0.6mm)+Tempered Glass (4mm) Case Type Middle Tower Product Dimension(LxWxH) 438×210×477mm Gross Weight 7.34 kg Net Weight 6.36 Kg 5.25" Drive Bays 1 3.5" Drive Bays 2 2.5" Drive Bays 2+2 I/O Panel 1×USB3.0/2×USB2.0/1xAudio(HD)/1xMic Expansion Slots 7 Cable Management 25mm clearance Cooling Fans Pre-installed: Rear: 1×120mm fan; Optional: Front: (Without CD-ROM installed) 3×120mm or 3×140mm; (With CD-ROM installed) 2×120mm or 2×140mm, Top: 2×120/140mm Liquid Cooler Support Front: 120/140/240/280/360mm(280/360mm without CD-ROM); Top: 120/140/240mm; Rear: 120mm Power Supply Type ATX PS2 (Length less than 170mm) CPU Cooler Height Limit 168mm VGA Length Limit 370mm