The aluminum alloy heat sink is used, and the heat dissipation area is large. ^^ Using 4heat copper tube, high heat dissipation efficiency and fast heat dissipation. ^^ 9cm cooling fan, strong wind, strong heat dissipation, convenient and practical. ^^ This CPU cooling fan has a back plate and bracket for easy installation. ^^ This CPU cooler is suitable for LGA2011 1366 11501151 1155 1156.