With this M.2 NVMe SSD PCI-E 4.0 X1 Adapter, you could add a NVME SSD on your motherboard without M.2 slot. With the channel of PCI-E 4.0 X4, the speed will be enhanced up to 64 Gbps, 5000+ MB/s random Read and 4500+ MB/s Write (Max), improved computer performance, backward compatible with PCIe 1.0 2.0 3.0 Multi-layer PCBA, Multi-layer protection: Overcurrent protection,Overvoltage protection,Short circuit protection,EMI (Electromagnetic Interference) protection, Heatsink layer for overheat protection . Maximum protection of M.2 NVMe SSD from electrical signal interference. No driver required for Win10, plug and play, supports NVMe SSD, such as for Samsung 970 EVO/950Pro/960EVO/XP941/PM951/PM961/SM951/SM961, for Intel SSD6/7 Plextor M6e Series, for Kingston HyperX Predator M.2 SSD and so on. Colour:Black Material:Metal + Plastic Package Contents: 2 x PCIe Card