Aluminum alloy, anodic oxidation for better heat dissipation. With air guide structure, quickly take away the heat of the SSD, and the mini size brings better compatibility; With high-quality thermal silica gel pad, quickly conduct heat to avoid overheating and -slowing down; With fine texture, anti- and anti-rust, and not easy to be dirty; Cool your for M.2 2280 SSD to a safe temp to avoid overheating and throttling, improve your computer's performance. Applicable type: for M.2 2280 SSD, suitable for single/double-sided chip particle hard Cooling method: Drainage Passive Cooling Colour:Dark Gray Material:Aluminum Alloy Package Contents: 1 x Heat Sink 1 x thermal pad(Random Color, don't accept the specified color) 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.