SilverStone Argon Series AR04 Low Profile CPU Cooler with 80mm Fan for Socket LGA1150/1156/1155 Series: Argon series Type: Fan & Heatsinks RPM: 1500~3400RPM Air Flow: 48CFM Noise Level: 18~26 dBA Heatsink Material: Aluminum & Copper Compatibility: Intel Socket LGA115X Fan Mounting Types to Heatsink: Vertical