Product name: PCIe x4 to U.2 extension cable
Transfer speed: PCIe4.0 x4 , 64G/bps (Max.);PCIe3.0 x4 , 32G/bps (Max.)
Wire length: 5 ~ 100 cm, the length can be customized
Application: PCIe x4 to U.2 (SFF8639) extension riser cable
ETA:5-8 working days after receiving your order.