M.2 M-KEY to PCIE 4.0 Extension Cable High-Speed Gen4.0 Silver-plated for NVMe
It supports PCIE 4.0devices and is backward compatible with PCIE 3.0s. Gold finger gold sinking process, using high density and low impedance circuit board. 2, Using silver-plated shielded cable, double-layer wiring, thickness 2mm, width 12mm.