Prolimatech PRO-BSC-68 120mm 2 Ball B68 CPU Cooler Series: Basic Series RPM: 600~1600 RPM Compatibility: Socket 1156, Socket 1155, Socket 2011, Socket 1150 Fan Mounting Types to Heatsink: Horizontal Heatsink Dimensions: 158 x 50 x 130mm (H x W x L) Weight: 1.15 lbs.