PCIE X4 to Oculink Female Connector PCI-E 4.0 GEN4 to SFF8612 for External Graphics Card Adapter Card Support 8611 Data Cable. Product features include PCIE X4 to Oculink female, PCIE X4 to SFF8612 female, and PCIE 4.0X4 speed. The gold finger uses an electroplating immersion gold process for stable transmission and resistance to insertion and extraction. The Oculink/SFF8612 female supports PCIE X4 4.0 protocol with 3.3V voltage. Maximum bandwidth speed is PCIE 4.0 X4 GEN4, backward compatible with PCIE 3.0 X4 GEN3. Supports installation to motherboards with PCIE X4/X8/X16 slots to expand the Oculink interface.