Heat Sinks for 5 High-quality, with cooing fan added. More powerful Made by Aluminum,great for heat dissipation The blower, also for low noise and long operating life, pushes air to cool the finned aluminum heat sink radiator for 5, the active cooling cooler is an aluminum oxide radiator with an integrated blower. If you wish to use the 5 without a case to withstand sustained heavy workloads without throttling, you can choose to add an active cooling cooler. Name: Active Cooler Specification: Aluminum Heat Sink + Blower Advantages/Functions: Cooling Compatible With:for 5 Note: This product does not include for motherboards Colour:As Shown Material:Aluminum alloy Package Contents: 1 x Active Cooler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.