2-port SFF-8643 to PCIe 4.0 x8 Adapter Card: Convert a single PCIe 4.0 X8 interface into 2 x SFF-8643 port, back compatible with PCIe 3.0/2.0/1.0.; With this PCIe Adapter, you can add 2 x U.2 SSD to PC/Server that doesnt natively support U.2 SSD (Note: you need to purchase SFF-8643 to SFF-8639 cable separately); Bandwidth allocation: PCIe 4.0 x8 at max upstream bandwidth, and PCIe 4.0 X4 for each SFF-8643 port.; Not support PCIe Bifurcation, so it requires a motherboard that supports PCIe Bifurcation, otherwise only the port-1 can be recognized.; Cross-Platform Plug-and-Play & RAID Support: Works seamlessly with Windows 11/10/8, Linux, and macOS (no driver installation required). Configure SSD RAID setups via native OS disk management tools.
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2-port SFF-8643 to PCIe 4.0 x8 Adapter Card: Convert a single PCIe 4.0 X8 interface into 2 x SFF-8643 port, back compatible with PCIe 3.0 / 2.0 / 1.0.
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First Listed on Newegg
July 25, 2026
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