Chenbro Micom 4U 16-Bay High Storage Density Server Chassis (RM41416M2) Product TypeSystem Cabinet Motherboard SupportSSI EEB Number of External 5.25" Bays:2 Number of Expansion Slots:7 Interfaces/Ports:2 x USB 2.0 USB Front Number of Power Supplies Support 3 Material Steel Form Factor Rack-mountable