The powerful M.2 NVMe 2280 SSD cooler comes with pure copper heatpipes and 30mm PWM fan to make sure excellent heat transfer from M.2 NVMe 2280 SSD. The 30mm PWM fan (4 pin fan which is able to control the speed of fan by changing temperatures) deliver Low-Noise for automatic speed control and ultra-quiet operation for extreme M.2 NVMe SSD cooling performance. Designed for desktop computers with manually adjustable angel cooling fins to avoid the graphic card or large CPU heat sink. The package includes thermal pad, screws,and screwdriver. Compatible with Single/Double sided M.2 NVMe 2280 SSD ONLY!! *1 Year warranty (register at the website for more 6 months extended warranty)