Supermicro SuperChassis 815TQ-R706WB (Black) - Rack-mountable - Black - 1U - 4 x Bay - 750 W - Power Supply Installed - EATX, WIO Motherboard Supported - 4 x Fan(s) Supported - 4 x External 3.5in Bay - 3x Slot(s)

4 bays mean more PC components can be added to enhance systems performance Rack-mountable size for convenient installation and smooth operations Supports EATX motherboard to provide a significant number of PCI slots, expansion slots and peripheral ports with enhanced heat dissipation capability