Supermicro SuperChassis 835BTQ-R1K28B (Black) - Rack-mountable - Black - 3U - 11 x Bay - 6 x 3.15in x Fan(s) Installed - 2 x 1280 W - Power Supply Installed - EATX Motherboard Supported - 3 x External 5.25in Bay - 8 x External 3.5in Bay - 7x Slot(s)

Total 7 expansion slots - ample for demanding computing needs Conveniently install a rack. 3U rack units to enable operational activities on the go. Supports EATX motherboard to provide a significant number of PCI slots, expansion slots and peripheral ports with enhanced heat dissipation capability Energy efficient - designed to use less energy than alternative products, potentially helping you save money and reduce your carbon footprint.