PCIE x16 to x8+x4+x4 splitter adapter card, front and back with dual M.2 NVME x2 design. This product can run 2 NVMe drives simultaneously, but only if the motherboard supports PCIE signal splitting. Supports PCIE 4.0, offering strong compatibility and backward compatibility with 3.0, ensuring stable operation. The product's front and back M.2 slots can connect to NVME 5 types of SSD specifications, and the PCIE X16 slot can connect to PCIE expansion cards and adapter cards. Front and back M.2 slots can connect to NVME SATA expansion and M.2 NVME SFF-8639 cards. Name: PCIE x16 to x8+x4+x4 splitter adapter card Model: PH43 Input Port: PCIE X16, M.2 NVME x2 Speed: PCIE 4.0, backward compatible with 3.0 Color: Black Material: Plastic Package Contents: 1 x PCIE Expansion Riser Card Only the above package content is included; other products are not. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.