Case Type: 4U Rackmount Color: Black M/B Type: EATX, ATX, MicroATX; Max Motherboard Size -12.0 x 13.0 inch Processor Support: Dual, Single Intel/AMD Processors Drive Bays: 5x 3.5' Hot-swap Drive Bays, 3x 5.25' Peripheral Drive Bays Expansion Slots: 7x Tool-less Full-height, Full-length PCI Expansion Slots Backplane: SAS/SATA Hard Drive Backplane Cooling System: 1x Front Intake 90mm PWM Cooling Fan, 2x Rear 80mm PWM Cooling Fans Front Panel: Buttons: Power On/Off, System Reset LEDs: Power, Hard Drive Activity, 2x Network Activity, System Overheat, Power Fail Ports: 2x USB 2.0 Ports Power Supply: 665W 80 PLUS Bronze Certified AC-DC Power Supply Dimensions (WxDxH): 17.2 x 20.5 x 7.0 inch / 437.0 x 521.0 x 178.0 mm Gross Weight: 25.0 lbs / 11.3 kg Chassis Only. CPU, MB, HD, memory and other parts are not included. Package Contents: SuperChassis 842TQ-665B Rackmount Enclosure 1 x 4U SC842 5x3.5inch Hotswap SAS/SATA with SES2 1 x Chassis Accessory Box for SC842 1 x Front ctrl cable 16 pin split, 6\, PBF (with converter head) 1 x Front ctrl cable ROUND 16 TO 16 PIN RIBBON 20\ 4 x 4 to 4 pin rear fan pwr ext w/ square header, 30cm (PWM) 1 x 57CM, 4 PIN MIDDLE FAN POWER EXTENSION (PWM) 5 x Black gen 5.5 hot-swap 3.5\ HDD tray (w/ hollowed dummy) Product Type: Server Case Motherboard Supported: Micro ATX Motherboard Supported: ATX Motherboard Supported: EATX Product Type: Server Case Manufacturer Part Number: CSE-842TQ-665B Motherboard Supported: Micro ATX Motherboard Supported: ATX Motherboard Supported: EATX Color: Black Form Factor: Rack-mountable Color: Black Form Factor: Rack-mountable Manufacturer: Supermicro Computer, Inc Product Model: 842TQ-665B Product Name: SuperChassis 842TQ-665B Rackmount Enclosure Product Line: SuperChassis Brand Name: Supermicro Brand Name: Supermicro Height: 7 Width: 17.2 Depth: 20.5 Number of External 3.5 Bays: 5 Number of External 5.25 Bays: 3 Compatible Rack Unit: 4U Number of Power Supplies Installed: 1 Front USB: Yes Power Supply Wattage: 665 W Number of Total Expansion Bays: 8 Product Family: SuperChassis Number of Fans Installed: 3 Number of External 3.5 Bays: 5 Number of External 5.25 Bays: 3 Compatible Rack Unit: 4U Number of Power Supplies Installed: 1 Power Supply Wattage: 665 W Number of Total Expansion Bays: 8 Number of Total Expansion Slots: 7 Total Number of USB Ports: 2