[Quality Bearings]The carefully developed quality Hydraulic bearings solve the problem of pc cooling fan blade shaking in lifting mode, keeping fan noise to a minimum while providing maximum cooling performance when needed and extending the life of the PC fan. [Silent Fan Size] Size: 120x120x25mm; Speed: 900-1850RPM; Connector: 4pin pwm;Lighting Interface: 3pin ARGB; Air Pressure: 2.4mm H2O, Air Flow: 68CFM; Higher air flow for improved cooling performance,and keep the noise at a low level. [More Details]The fan is paired with screws , so you can choose the corresponding accessories for installation according to your needs, making installation convenient, and the fan wire is made of flame-retardant compiled mesh-wrapped wire for added safety. [Perfect Match]The PC fan can be used not only as a case fan, but is also suitable for use with a cpu cooler to create a cooling effect together, which can take away the dry heat from the case and the high temperature generated by the CPU in operation, allowing for maximum cooling; Ideal for cases, liquide cooler and CPU air coolers. Power Connector Type: 4-Pin Voltage:12 Volts (DC) Cooling Method:Air Compatible Devices:Desktop Noise Level:32dB Maximum Rotational Speed:1850 RPM Specifications: A: positive leaf Colour:Black Material:ABS Package Contents: 1set x 3 fans 2 x connecting wires 3packs x screws