Supermicro SuperChassis 213A-R740WB - Rack-mountable - Black - 2U - 20 x Bay - 3 x 3.15in x Fan(s) Installed - 2 x 740 W - Power Supply Installed - ATX, EATX Motherboard Supported - 3 x External 5.25in Bay - 17 x External 2.5in Bay - 7x Slot(s)

20 expansion bays - Add more hardware and make the machine powerful enough to seamlessly handle critical and heavy computing apps Conveniently install in a rack and enables operational activities on the go Supports ATX motherboards to provide a significant number of PCI slots, expansion slots and peripheral ports with enhanced heat dissipation capability