CSE-813MFTQC-505CB Case Type: 1U Rackmount Color: Black M/B Type: Support Size 12" x 10", 9.6" x 9.6" Processor Support: Supports dual, single Intel/AMD Processors Drive Bays: 4x 3.5" hot-swap SAS/SATA Drive Bay w/ SES2 Expansion Slots: 1x Full-height & Full-length Expansion Slot Cooling System: 4x 40x28mm PWM Fan Front I/O Panel: Buttons: Power On/Off, System Reset LEDs: 2x Network Activity, Fan Fail/System Over Heat, HDD Activity, Power Status Power Supply: 500W 80 PLUS Platinum Certified High-Efficiency Power Supply w/PMBus 1.2, I2C, and PFC Dimensions (WxDxH): 17.20 x 19.85 x 1.70 inch / 437.0 x 503.0 x 43.0 mm