SpecificationsMfr Part Number: CSE-815TQ-R706WBCase Type: 1U Rackmount Color: Black/B Type: Max Motherboard Size - 12. 0 x 13. 0 inch Processor Support: Dual, Single Intel/AMD Processors Drive Bays: 4x 3. 5" SAS/SATA Hot-swap Drive Trays Expansion Slots: 2x Full-height Expansion Slots (Riser Card Required), 1x Low-profile Expansion Slot (Riser Card Required)Backplane: 1x 1U SAS/SATA Backplane Cooling System: 4x 40x56mm Counter-Rotation PWM Fans Front Panel: Buttons: Power On/Off, System Reset, UIDLEDs: Power, Hard Drive Activity, 2x Network Activity, Universal Information, Fan Fail/System Overheat Power Supply: 700W/750W 80 PLUS Platinum Certified Redundant AC-DC High-efficiency Power Supply W/ Pombo's and I2CDimensions (WxDxH): 17. 2 x 25. 6 x 1. 7 inch / 437. 0 x 650. 0 x 43. 0 mm Gross Weight: 36. 0 lbs. / 16. 3 chassis Only. Does not include CPU, MB, HDD, memory or other parts.