Mfr Part Number: CSE-733TQ-668B. Case Type: Mid Tower workstation chassis. Color: Black. M/b Type: EATX and ATX (12.0 x 13.0 inch). processor support: dual, single Intel/AMD processors drive bays: 4x 3.5" Sas/SATA hot-swap drive bays w/ sgpio peripheral: 2x standard 5.25" Drive bay, 1x 3.5" Internal Fixed drive bay expansion slots: 7x full-height, full-length expansion slots backplane: 4x 3.5" SAS2/SATA3 backplane w/ses-ii cooling system: 1x 12cm rear exhaust fan, 1x 9cm hot-swap cooling fan front panel: buttons: Power on/off, system Reset LEDs: power, HDD activity, network activity, system overheat ports: 2x USB 2.0 ports power supply: 668W 80 PLUS Platinum level certified multi-output power supply Dimensions (WxDxH): 7.0 x 20.9 x 16.8 inch/ 178.0 x 531.0 x 426.0 mm Weight: 38.0 lbs/ 17.24 kg