Dual NVME RAID, PCI-E X8 split card. PCI-E X8 and X16 motherboard slots are supported. Pci-e3.0 and PCI-e4.0 standard transmission speeds are supported. Two X4 full-channel full-speed NVME SSD and M.2 PCI-E interface devices are supported. Imported high-power DC chip is adopted to ensure the stable operation of SSD and M.2 PCI-E equipment. Adopt high-end PCB circuit board, surface gold plating process, with good conductivity, strong wear resistance, oxidation resistance and high fire protection level. Thickened gold finger, PCI-E X8 interface, thick gold sinking process, better contact and more stable transmission speed. The working state is known at any time. It is always on when the plug-in tray is powered on, and flashes when reading and writing. E-sports comes standard, abandoning SATA3 hard disk of old motherboard, upgrading M.2 hard disk interface, speeding up the startup speed, and making the game cool. Reject the software crash, further improve the hard disk performance, meet the needs of design/video and other fields, and give full play to the computer performance. Item Name:PCI-E X8 NVMe Dual Disk Raid Card Transmission speed: 2 x 32Gbps Hard disk support: M Key SSD type: RAID Card color:Black Material:PCB+metal Package Contents: 1 x riser card with long bezel 1 x short baffle 1 x screwdriver 5 x screws 2 x studs Only the above package content, other products are not included. Note: Light reflection 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.