This CPU air cooling fan is made of , which can withstand use. Features the copper and aluminum material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color: Black -Material: aluminum, copper -Size: 8.80X8.80X2.70cm/3.46X3.46X1.06in Bearing type: hydraulic bearing Interface: PWM small Rated voltage: 12V Rated : 0.34±0.02A : 57.5CFM Noise: 25DBA±10% Speed: 2500RPM±10% Life: 5000h - High-performance cooling fan, ensure the silent operation of the motor. - It can play an excellent cooling effect and protect the safety of the machine. - Practical fin structure, low heat loss and dissipation. - Help to ensure better cooling to prevent your CPU from overheat, extend its service life. - workmanship, reasonable structure, professional and practical, can bring you convenience. Package list: 1 x CPU cooling fan