This adapter allows you to connect up to 4 NVMe SSDs via a single PCIe 4.0 x16 slot, delivering high-performance storage expansion for data centers, workstations, and enterprise systems. Fully backward compatible with PCIe Gen4, Gen3, Gen2, and Gen1, ensuring seamless integration with a wide range of systems and devices. Directly connect U.2 NVMe SSDs using SlimSAS 8i to SFF-8639 cables, providing a flexible and efficient storage solution for high-speed data transfer. Supports bifurcation in both quad x4 and dual x8 configurations (requires CPU and BIOS support), allowing you to optimize PCIe lane allocation for maximum performance. Features two built-in SlimSAS SFF-8654 8i connectors with pin-out defined by the SFF-9402 standard, ensuring reliable and stable performance for professional and enterprise applications.