PCIE 4.0 x16 to x8+x4+x4 Expansion Riser Card M.2 NVME x2 Input Designed
Supports PCIE 4.0, strong compatibility and downward compatible with 3.0, stable operation. 1 x PCIE Expansion Riser Card. Speed: PCIE 4.0, downward compatible with 3.0. Material: plastic. We will reply you ASAP.