Motherboard Compatibility: Support EEB (12"x13"), CEB(12"x10.5"), ATX (12"x9.6"), Micro ATX (9.6" x 9.6") External 5.25" Drive Bays: 3 External 3.5" Drive Bays: 10 Front Ports: USB 120mm Fans: 2 Dimensions: 21.6" x 19.0" x 7.0" Weight: 34 lbs. Features: Switch: Power ON/OFF x 1, System reset x 1 Indicator: Power ON/OFF x 1, HDD x 1, NETWORK x 2 Easy drive mounting with 24 screwless rails Screwless top cover Lockable front panel door Easy-accessed front changeable air filter