High quality aluminum material for good thermal conductivity, good passive cooling for hard drives.; Passive cooling architecture design can reach for ideal heat dissipation.; The thermal pads can use to fill the main chip and flash memory chips height and increase the cooling effect.; for M. 2 Hard Drive Disk Heatsink only, other accessories demo in the picture is not included!; Supporting heat dissipation for various type of for M. 2 solid hard disk.