Product Name: 4-disk nvme PCI-E x16 split card Hard disk support: SSD / m.2 PCI-E device with m.2 nvme protocol Transmission speed: 4 * 32gbps Colour: black Material: ABS Package Contents: 1 * Array Expansion 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. high-power DC chip is adopted to the stable operation of SSD and m.2 PC I-E equipment. Support 4 x 4 full channel nvme SSDs and m.2pc I-E interface devices. It adopts high-end circuit board, with gold plating process on the , good conductivity, strong wear resistance, oxidation resistance and high fire rating. Support 4-disk soft . Soft can be realized under win10, with good consistency and stable . Supports PCI-E 3.0 and pci-e4.0 standard transmission speeds.