This NVME M.2 MKEY SSD RAID expansion card with heatsink is designed to provide an effective cooling solution for NVME RAID splitter cards, ensuring stable performance and longevity. It is made of aluminum and has a compact packaging size of 130mm length, 80mm width, and 25mm height. The package includes a heat sink, heat sink silicon, fan studs, fan screws, and a screwdriver. It is specifically designed for use with PH44 Disk NVME RAID splitter cards and is perfectly matched to ensure optimal cooling performance and compatibility.