An excellent, quiet choice for heatsinks and radiators The wide body, low-pitch blades of the SP120 fans combined with the custom housing provides outstanding static pressure and airflow through heatsinks or radiators. With rubberized corners, a quiet and reliable Advanced Hydraulic Bearing, and PWM support for increased fan speed control, the SP120 truly is the strong, silent type. Included in the box are the three user-replaceable colored rings, in red, blue, and white, so you can customize your fan to match your case's components. Each fan also features blacked-out wires and connectors, so your build looks elegant and clean when done. Available in single and twin packs.Number of Fans: 1Fan Bearing Type: Hydraulic BearingFan Speed: 1 x 2350 rpmMount Type: Screw MountConnectors: 4-pin PWMMaterial: Rubber CornerFan Diameter: 1 x 120 mmHeight: 4.7Width: 4.7"Depth: 1"Weight (Approximate): 1.10 lbApplication/Usage: CaseLimited Warranty: 2 Year"