Features:

• 4U rackmount design,meets EIARS-310C standard.
• 3 x 5.25" drive bays, 10 x 3.5" hot swappable SATA or SAS drive bays
• Support CEB(12"x10.5"), ATX (12"x9.6"), Micro ATX (9.6" x 9.6"), Mini-ITX (6.7" x 6.7") motherboard
• 2x80mm HDD fan, 2x80mm optional rear fans for better ventilation
• Lockable front panel door
• Two front USB ports

Drive Bay: Supports ten hot swappable 3.5" drives, three 5.25"drives 
Cooling Fan: 2 x 80mm HDD fan, 2 x 80mm optional rear fans
Switch: Power ON/OFF x 1, System reset x 1 
Indicator:Power ON/OFF x 1, HDD x 1, NETWORK X 2
Connector:Two front USB ports
Motherboard Compatibility: Support CEB(12"x10.5"), ATX (12"x9.6"), Micro ATX (9.6" x 9.6"), Mini-ITX (6.7" x 6.7") motherboard
Power Supply Options: Standard ATX power supply, mini redundant power supply (H x W 5.91 x 3.31 inch)
Dimensions ( W x D x H ): 19" x 21.6" x 7" (483mm x 550mm x 176mm)
Packing:Double boxes 
Weight: 40 lb (NET) 43 lb (GROSS)
Environment Temperature:0/55 °C, 32/131 °F (Operating) -20/60 °C, -4/140 °F (Non-Operating) 
Relative Humidity: 5% to 95%,non-condensing 
Vibration ( 5-500 Hz ):1 Grms (Operating), 2 G (Non-Operating) 
Shock : 10 G(with 11ms duration, half sine wave) (Operating), 30 G (Non-Operating)