Features: Can be installed in CPU radiator-, 120mm water cooling radiator-, or used on the chassis, low noise. Large air volume design,800-1800rpm stable airflow-, low noise and large air volume. Suitable for variety of application scenarios, such as installing on CPU air-cooled and water-cooled radiators that require a 12cm fan, or as a chassis fan. This type of fan uses high-quality materials and manufacturing technology, which has a long service life and can continuously provide excellent cooling effect for users. The installation of this fan is very simple, just plug it into the fan socket on the computer motherboard-, without the need for additional tools or accessories.<br/ Specifications: Voltage: for DC5V 3pin 4pin Speed: about 800-1800RPM Shaft-Type: Hydraulic Bearing Color:Black/ White Product Size:approx 120X120x25mm/4.72 X 4.72 X 0.98" Package Includes: 1PC ARGB Cooling Fan note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!