ARCTIC Liquid Freezer III Pro 420 A-RGB Multi Compatible All-in-One CPU Water Cooler with A-RGB. Type: All-in-one liquid cooler, Fan diameter: 14 cm, Rotational speed (min): 400 RPM, Rotational speed (max): 2500 RPM, Airflow: 186 m³/h, Maximum air pressure: 5.2 mmH2O, Bearing type: Fluid Dynamic Bearing (FDB). Width: 458 mm, Depth: 68 mm, Height: 138 mm. Product colour: Black