CPU Cooler Fan 478,775 socket sleeve or ball bearing aluminum or cooper heatsink CPU Cooler FanSupports CPU: AMD Athlon 64 3800 socket 939 Fan size: 80 x 80 x 25mm Fan bearing: hydraulic bearing Heat sink material: aluminum Heat sink size: 77 x 84 x 50mm Voltage: 12V Fan speed: 2,500rpm Weight: 420g Packing: color box CPU Cooler Fan