Welcome to our store! 1Material: The U.2 Nvme SSD adapter card is made of thickened PCB material, sturdy and durable for long-lasting use. 2High Speed: Strong PCIE X8 X16 interface, supports PCIE3.0 4.0, supports U.2 Nvme SSD, 40Gbps full speed signal, high-speed transmission protocol. 3Easy to Use: Mount the PCIe U.2 NVMe SSD directly onto the adapter via the SFF 8639 slot, then connect the adapter to your server or computer's motherboard. 4Power Supply: PCIE-powered, soft LED status indicator, lights up only when SSD is connected, flashes when SSD is being read or written. 5U.2 SSD Compatibility: For Intel SSD D7 P5510 series, D7 P5500 series, D7 PC5600 series, for Optane SSD 905P series, for Optene SSD DC P4801X series, for Optan SSD DC P4800X series. For Gold Enterprise Class NVMe SSDs and more U.2 NVMe SSDs. Item Type: U.2 Nvme PCIe SSD Adapter Card Material: PCB Compatible Slot: PCIE X8 X16 Hard Drive Support: U.2 Nvme SSD Transfer Rate: 40Gbps 1 x Adapter Card 4 x Screw Customer Satisfaction - Customers are our top priority. If you find any product problems after you receive it, such as damage and incorrect quantity, please contact us immediately. We do our best to provide you with satisfactory customer service