Description: 【Dual M.2 PCIe SSD Adapter Card】: Support PCIE 3.0, PCIE 4.0 standard transmission speed, support 2 X4 full channel full speed NVME SSD and M.2 PCIE interface devices. 【2 Expansion Cards】: The PCI E 4X to M.2 adapter card has 2 expansion cards, which can expand 2 x 32Gbps full speed signals at the same time. 【High Efficiency】:Dual M.2 PCIE adapter card has an upgraded M.2 hard disk interface, which can speed up the game startup speed and improve work efficiency. 【Stability】: The PCIE X8 interface adopts thickening technology, with better contact and more stable transmission speed. 【Function】: Pcie m.2 adapter card can further improve the performance of the hard disk, so that the performance of the computer can be fully utilized in the fields of design and video. Specification: Product model: PCENGFF N03 Product length: 2230 2242 2260 2280 20110 Product interface: PCI E 1X PCI E 4X Support system: Compatible with WIN7/WIN8/WIN8.1/10/11 Material:PCB Size Chart: 4.5cmx12cmx1.7cm/1.77inchx4.72inchx0.67inch Package Includes: 1x riser card 1x SATA3.0 data cable Note: Please allow slightly errors due to manual measurement and different monitors.