It supports 4 specifications and is compatible with 2230 / 2242 / 2260 / 2280 long and short m.2nvme protocol hard disks Support PCIe x1x4x8x16 interface and pclex1 X4 X8 x16 motherboard card slot Fast heat dissipation, high-speed operation, heat dissipation holes expand the heat dissipation area, increase the heat dissipation effect, and improve the stability of the cooling hole LED indicator Pci-e4.0 down compatible with 3.0 Product name: PCI-E to M.2 NVMe single-disk adapter card Model: PH41-X1 Support : M Key (NGFF is not supported) Transmission rate: 32gbps Card slot: X1/X4/X8/X16 Product PCIE: No additional power supply required Support system: for Windows// Linux Indicator status: it is always on when it is powered on, and flashes when reading and writing Material:Metal + glass fiber colour:As shown Package Contents: 1 * Adapter card Only the above package content, other products are not included. Note: Light 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.