Welcome to the store! 1. Fast Transfer: The computer hard drive enclosure transfers 4 M.2 slots through the host's PCIe 3.0 x 16 slot, supports NVMe, uses PCIe 3.0 x16 bus bandwidth, and the transfer bandwidth is up to 128 Gb/s. 2. Good Heat Dissipation: The SSD adapter card supports the new NVMe devices, and the large heat sink reduces the temperature of the M.2 SSD, enabling unlimited transfer speed and higher reliability. 3. Wide Range of Applications: The M.2 SSD adapter card is designed to provide mass storage and high-speed requirements for most high-end hosts, workstations, audio and video management, and e-sports players, supporting PCIe 3.1, 3.0, PCIe 2.0 motherboards. 4. Easy to Install: The PCIE3.0 GEN4 to M2 NVME expansion card is easy to install, no driver is required, 4 screw holes 2230, 2242, 2260, 2280 can be used to fix NGFF SSD cards, 4 screw holes can be used to fix PCB cards. 5. Wide Compatibility: The M.2 NVME expansion card supports 2230, 2242, 2260, 2280 size NGFF SSD, and supports four available NGFF M.2 (M Key) sockets, supports PCIe x16 slot. Item Type: PCIE3.0 GEN4 to M2 NVME Expansion Card Material: PCB Transfer Bandwidth: 128gb/s Number of M.2 Slots: 4 Interface: PCI E 3.0 X16 Hard Drive: Supports 2230, 2242, 2260, 2280 size NGFF SSD 1 x PCIE3.0 GEN4 to M2 NVME Expansion Card 1 x User Manual 1 x Screw Package 1 x Screwdriver 1 x Heat Sink (4 Pieces) Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!