BS-R22SL-XXX Extenders card

R2y series is PCIe x4 Edge Connector Extension Adapter cable, adapted to PCIe x1, x4, x16, M.2 Key M / A+E, mPCIe (mini PCIe), U.2 (SFF-8639) connectors to re-locate a PCIe card slot or bridge between slots on two different PCBs.