MATERIAL: metal 0.7mm, ABS, 4mm, tempering glass Hard Disk Slot:2 SSD/2.5″” Hard Disk Slot:4 I/O board:USB2.0*2/USB3.0*2/HD Audit/headset*1 Cooling Fan Slot : Front 120mm*3,Grond120 mm*3, top side:120*3 Graphics Card slot:Max. length. 390mm CPU Cooling slot:Max. Height. 140mm Water-cooling system “ For more details about ( Huntkey MVP Ares ATX Case tempered glass side and front big box ) : Click here For more huntkey products : Click here For more empty cases : Click here