Designed for M.2 SSD: This heatsink cooler is specially designed for M.2 2280mm SSD which are all single sided Type. Fast Heat Dissipation:With a 10°C-30°C heat dissipation effect (depending on the environment), cool your M.2 SSD to a safe temperature to avoid overheating and throttling, and improve the performance of your computer. Aluminum Material: Pure aluminum material, anodized surface treatment.Dimensions:2.99x0.9x0.39inch. Simple Installation: use the patch buckle to buckle both sides. Does not occlude the graphics card, and has strong compatibility.