Universal fit for all kinds of M.2 2280 SSD and M.2 heatsink, including M.2 PCIe NVMe 4.0 SSD, PCIe NVMe 3.0 SSD, and PS5 M.2 PCIe NVMe 4.0 SSD, such as WD Black SN850, Sabrent Rocket 4 Plus, Sabrent Rocket 4, Samsung 980 Pro, Samsung 970 Pro, Silicon Power US70, and etc. The thermal pad conducts heat from M.2 SSD to M.2 heatsink, to keep M.2 PCIe SSD under good performance. | Working temperature: -40 ℃ - 200 ℃, electrical insulation, anti-static, fire retardant, buffering, no toxic, odorless, no corrosion, no stimulation, no damage to the electronic device. | Aging time is 1-3 years, repeated use will accelerate aging. A little soft, a little elastic, but no elasticity, pull hard will break. | 2.0 W/mk Thermal Conductivity, heat conduction area is 2.64x0.79 inch. Please tear off the transparent protective film of the thermal pad, otherwise will be no thermal conductivity. | The package includes 5 pieces of 2.64x0.79x0.04 inch+ 5 pieces of 2.64x0.79x0.02 inch, flexibly stacked to meet different situations.