Item Type: Cooling Fan <br>Size: Approx. 80 x 80 x 38mm / 3.1 x 3.1 x 1.5in <br>Bearing: High-precision double ball bearing <br>Standard Voltage: 12V <br>Current: 0.87A <br>Speed: 4900RPM <br>Air Volume: 68.5CFM <br>Working Life: 80000 hours <br>Fan Interface: Motherboard 4-pin 4-pin P plug <br>Additional features support speed measurement1、Applicable to chassis heat dissipation, CPU cooling, power supply fan modification, water-cooled heat dissipation assistance, switching power supply heat dissipation, and highly reliable server application places. <br>2、Maintenance-free magnetic floating bearing, long service life, with adequate cooling air volume and wind pressure. <br>3、High temperature resistant copper coil, high precision bearings. <br>4、Dual ball PWM four-wire computer chassis cooling fan, supporting speed measurement. <br>5、High-strength, high-toughness, thickened fan blades, durable, strong wind.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.1 x Cooling Fan