SILVERSTONE AR08 140mm Long life sleeve CPU Cooler Type: Fan & Heatsinks RPM: 1500 ~ 2800RPM Air Flow: 26.8 ~ 49.5CFM Noise Level: 14.1 ~ 27.7dBA Heatsink Material: Copper heat pipes with aluminum fins Compatibility: Intel Socket LGA775/115X/1366/2011/2011-V3 AMD Socket AM2/AM3/FM1/FM2 Fan Mounting Types to Heatsink: Horizontal Max CPU Cooler Height: 134 mm