Features: Can be installed in CPU radiator, 120mm water cooling radiator, or used on the chassis, low noise. Large air volume design, 7 large sickle-shaped blades, stable air flow, low noise and large air volume. Suitable for a 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. Specifications: Rated Voltage: for DC12V Speed: about 600-1600RPM Noise Value: 20dBA Air Volume: 48.5CFM (MAX-) Shaft Type: Hydraulic Bearing Optional Type: 3Pin+Large 4Pin + PWM and ARGB / Large 4Pin Product Size:approx 120 X 120 X 25mm/4.72 X 4.72 X 0.98" Package Includes: 1 x CPU 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!