With this M.2 NVMe SSD PCI-E 4.0 X4 adapter you can add an NVME SSD to your motherboard without M.2 slot. With the channel of PCI-E 4.0 X4, the speed is up to 64 Gbps, 6000+ MB/s random read and 5000+ MB/s write (max), improved computer performance, backward compatible with PCIe 1.0 2.0 3.0 Multi-layer PCBA, multi-layer protection: over-current protection, over-voltage protection, short circuit protection, EMI protection, heat sink layer for overheating protection. Maximum protection of M.2 NVMe SSD from electrical signal interference. No driver required for Win10, plug and play, support for NVMe SSD, such as Samsung 980 Pro/970 EVO/950Pro/960EVO/XP941/PM951/PM961/SM951/SM961, Seagate Firecuda 520 series, Intel SSD6/7 Plextor M6e series, Sabr. ent Rocket NVMe 4.0, SN850, M.2 SSD and so on. Material:plastic colour:black Package Contents: 4 * pcie m.2 adapter