Commander G31 TG ARGB CA-1P1-00M1WN-00 Thermaltake Commander G31 TG ARGB is a mid-tower case that comes with one preinstalled 200mm ARGB fan, one preinstalled 120mm standard fan, removable filters, and can support up to a standard ATX Motherboard. Specifications: P/N CA-1P1-00M1WN-00 SERIES Commander MODEL G31 TG ARGB CASE TYPE Middle tower DIMENSION (H X W X D) 445.57 x 225 x 471 mm (17.6 x 8.85 x 18.58 inch) NET WEIGHT 7.7 kg / 16.97 lb SIDE PANEL 4mm Tempered Glass x1 COLOR Exterior & Interior: Black MATERIAL SPCC COOLING SYSTEM Front (intake): 1 x 200 x 200 x 30mm Addressable RGB fan (600rpm, 24dBA) Rear (exhaust): 1 x 120 x 120 x 25 mm fan (1000rpm, 16 dBA) DRIVE BAYS 2 x 3.5“or 2.5” (HDD Rack); 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 1 x USB 3.0, 2 x USB 2.0, 1 x HD Audio, 1 x RGB Switch 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 RADIATOR SUPPORT Front: 1x 280mm, 1 x 360mm Top: 1 x 240mm Rear: 1 x 120mm CLEARANCE CPU cooler height limitation: 165mm PSU length limitation: 160mm (With HDD Rack), 200mm (Without HDD Rack) VGA length limitation: 300mm VGA width limitation (Vertically): 45mm RAM height limitation: 40mm (With radiator series)