First off, specifications for the product as stated by the manufacturer:

Model:  Commander G41 (Window)
Case Type: Mid-tower
Dimensions: 487 x 244 x 481mm
Net Weight: 15.6 lbs
Color: Interior & exterior black
Material: SPCC
Cooling:
    Front (intake): 120 x 120 x 25mm Turbo fan x1 (1000 rpm, 16dBA)
    Rear (exhaust): 120 x 120 x 25mm blue LED Turbo fan (1000 rpm, 16dBA)
Drive bays:
    Accessible: 3 x 5.25”, 1 x 3.5” (converted from one 5.25” drive bay)
    Hidden: 6 x 3.5” or 6 x 2.5”
Expansion slots: 8 + 1
Motherboards: ATX, micro ATX
I/O ports: USB 3.0 x 2, HD audio x1
CPU cooler height limitation: 185mm
VGA length limitation: 270mm (410mm with drive cage removed)
Radiator support
    Top: 1 x 120mm or 1 x 240mm
    Rear: 1 x 120mm