Additional Details P/N CA-1N7-00M1WN-00 Model Commander C36 TG ARGB Series Commander 462 x 233 x 527 mm (18.2 x 9.2 x 20.8 inches) in size (H x W x D) 7.88 kg/17.3 lb NET WEIGHT 1 x 4mm Tempered Glass Panel Black is the exterior and interior color. SPCC COOLING SYSTEM MATERIAL 120 x 120 x 25 mm rear exhaust fan (1000 rpm, 16 dBA) 200 x 200 x 30 mm ARGB fan x2 (800 rpm, 29.2 dBA) in the front (intake) Drive Bays: Three 3.5" or 2.5" (HDD Bracket) accessible and hidden; two 2.5" (HDD Bracket) SLOTS FOR EXPANSION 7 + 2 MOTHERBOARDS Mini ITX measures 6.7" x 6.7", Micro ATX measures 9.6" x 9.6", and ATX measures 12" x 9.6". USB 3.0 x 2 I/O Ports, 1 RGB Switch, 1 HD Audio, and 1 PSU Standard