Features: 1.Material: U.2 Nvme SSD adapter card is made of thickened PCB material, sturdy and durable, long time use. 2.High Speed: Strong PCIE X8 X16 interface, support PCIE3.0 4.0, support U.2 Nvme SSD, 40Gbps full speed signal, high speed transfer protocol. 3.Easy To Use: Mount the PCIe U.2 NVMe SSD directly to the adapter via the SFF 8639 slot, then plug the adapter into your server or computer motherboard. 4.Power Supply: PCIE powered, soft LED status indicator, lights up only when SSD is plugged in, blinks when SSD is read or written. 5.U.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. specification:Item Type: U.2 Nvme PCIe SSD Adapter Card Material: PCB Compatible Slot: PCIE X8 X16 Support Hard Drive: U.2 Nvme SSD Transfer Rate: 40Gbps PackageList: 1 xAdapter Card 4 x Screw NoteThe board surface will be slightly different for different batches