P/N CA-1N2-00M1WN-00 SERIES Commander MODEL Commander C31 TG ARGB CASE TYPE Middle tower DIMENSION (H X W X D) 462 x 233 x 507 mm (18.2 x 9.2 x 20 inch) NET WEIGHT 8.01 kg / 17.66 lb SIDE PANEL 4mm Tempered Glass x1 COLOR Exterior & Interior : Black MATERIAL SPCC COOLING SYSTEM Rear (exhaust) : 120 x 120 x 25 mm fan (1000rpm, 16 dBA) Front (intake) : 200 x 200 x 30 mm ARGB fan x2 (800rpm, 29.2 dBA) DRIVE BAYS -ACCESSIBLE -HIDDEN – 3 x 3.5“ or 2.5” (HDD Bracket); 2 x 2.5” (HDD Bracket) EXPANSION SLOTS 7+2 MOTHERBOARDS 6.7” x 6.7” (Mini ITX), 9.6” x 9.6” (Micro ATX), 12” x 9.6” (ATX) I/O PORT USB 3.0 x 2, HD Audio x 1, RGB Switch x 1 PSU Standard PS2 PSU (optional) FAN SUPPORT Front: 3 x 120mm, 2 x 140mm, 2 x 200mm Top: 2 x 120mm, 2 x 140mm Rear: 1 x 120mm, 1 x 140mm