Supermicro SuperChassis 2U Rackmount Server Chassis CSE-823TQ-653LPB Black Case Type: 2U Rackmount M/B Type: EATX (12.0 x 13.0 inch), ATX (12.0 x 10.0 inch) Processor Support: Dual, Single Intel/AMD Processors Drive Bays: 6x 3.5" SAS/SATA Hot-swap Drive Trays, 1x 5.25" Full-height Peripheral Bay Expansion Slots: 7x Low-profile Full-length Expansion Slots Power Supply: 650W 80 PLUS Gold Certified AC-DC High Efficiency Power Supply Cooling System: 4x 80mm 6300 RPM Fans Chassis Only. Does not include CPU, MB, HDD, memory or other parts.