Cooling Support Front: 2 x 140mm/ 3 x 120mm Top: 2 x 140mm/ 3 x 120mm Rear: 1 x 140mm/120mm Radiator Support Front: 120, 140, 240, 280, 360 mm Top 120, 140, 240, 280, 360 mm Rear: 120, 140mm Maximum GPU Length: 420mm Maximum CPU Cooler Height: 180mm Maximum PSU Length: 240 mm