Features: brand new and high quality for M.2 for M for Key PCIE Expansion Card is Fully Plug and for Play compatible. Oxidation resistance, good conductivity, wear resistance. The bottom of the for M.2 for M for Key PCIE adapter has been strengthened to protect the for m.2 adapter. for M.2 for M for Key PCIE adapter is for Windows, for Mac OS, Linux built-in drivers. Adopt 4-layer circuit board, which has very strong anti-interference ability, effectively ensure the stability of PCI-E high-speed signal transmission, data integrity, impedance matching. The 4 USB cables are routed in the same direction, and the wiring is neat and not cluttered. Reduce the number of adapters and adapter wires, and one wire goes directly to the interface, effectively reducing interface interference, interface interference and wire loss, ensuring data reliability, and improving work efficiency. Specifications: Product Name:M.2 m-key PCIe Extend Adapter Card Input interface: for M.2 for M for Key PCIE Number of interfaces: PCIe x1 x 4 Color: black Package Includes: 1PC x for M.2 for M for Key PCIE Expansion Card note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!