PCIe NVMe SSD Adapter for connecting SSDs to PCIe 5.0 motherboards and backward compatible with PCIe 2.0/3.0/4.0. Theoretical transmission speed: 128Gbps. PCIe NVME M.2 SSD Adapter Compliant with PCIe 5.0/Gen5 Specifications. PCIe NVME M.2 SSD Adapter Supports PCI-Express X4, X8, X16 slots. PCIe NVME M.2 SSD Adapter Supports . For NGFF M.2 NVMe M.2 SSD in size 2230 / 2242 / 2260 / 2280. Colour:Black Material:PCB+Metal Package Contents: 1 * PCIE 5.0 X4 To NVME Adapter with baffle 2 * Silicone cooling pad(The color is random, and the designation is not accepted) 1 * Screwdriver(The color is random, and the designation is not accepted) 1 * Screw kit(The color is random, and the designation is not accepted) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.