Support 4-disk soft raid. Soft raid can be realized under win10, with good consistency and stable raid.Imported high-power DC chip is adopted to ensure the stable operation of SSD and m.2 PC I-E equipment.Supports PCI-E 3.0 and pci-e4.0 standard transmission speeds.Support 4 x 4 full channel full speed nvme SSDs and m.2pc I-E interface devices.It adopts high-end circuit board, with gold plating process on the surface, good conductivity, strong wear resistance, oxidation resistance and high fire rating.Product Name: 4-disk nvme raid PCI-E x16 split cardHard disk support: SSD / m.2 PCI-E device with m.2 nvme protocolTransmission speed: 4 * 32gbpsColour: blackMaterial: ABSPackage Contents:1 * Array Expansion Adapter CardOnly 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.