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. high-power DC chip is adopted to 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 of motherboard, upgrading M.2 interface, speeding up the startup speed, and making cool. Reject the software crash, further the 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 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.