1. Versatile Compatibility: This PCIe x16 to M.2 NVME*2 split expansion adapter card supports a wide range of SSDs, including NVME 5 specifications, NVME SATA extension, M.2 NVME SFF-8639 card and PCIE x16 expansion cards, providing more options for users to connect different hardware devices. 2. Excellent Flexibility: The PCIe X16 to X8+X4+X4 Splitter Card can split a PCIe x16 interface into three interfaces (X8, X4, X4), allowing users to connect multiple devices at the same time. 3. High-speed Performance: This split expansion card supports PCIe 4.0 speed and is compatible with PCIe 3.0, offering a faster data fer rate, giving you a seamless user experience. 4. Product front and back .2 can connect to NVME 5 kinds specifications of SSD, PCIE X16 can connect to PCIE expansion card, adapter card. 5. Dual NVME Support: This expansion riser card allows you to run two NVME devices simultaneously, but it is important to that your motherboard supports PCIe signal splitting before use to avoid any potential issues. Input interface: PCIE X16 M.2 NVME * 2 Speed: PCIE 4.0, backward compatibility 3.0 Tips: This product can run two NVME simultaneously, but the motherboard must support PCIE signal splitting. Supported interfaces: 2280, 2260, 2242, 2230 Colour:Black Material:PCB Package Contents: 1 * PCIe X16 To X8+X4+X4 Splitter Card 1 set * mounting accessories 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.