Feature:1. Expanded Connectivity: Enhance your PC's functionality by adding additional Oculink SFF 8612 interfaces through a PCIe x8 slot. This allows for seamless connectivity with more devices, such as NVMe SSDs or eGPUs using SFF 8611 cables.2. Ultra High Speed Data Transfer: The PCIe x8 to SFF 8612 external adapter card supports the PCIe 4.0 standard, with an 8 lane transfer rate of 128 GT/s. This ensures efficient data read write performance, making it an ideal choice for high performance applications handling large volumes of data.3. Rugged Construction: The PCIe to Oculink card features soldered connector housings to the PCB, ensuring a more secure connection and reduced susceptibility to damage. This provides a safe plug and play experience and enhances the product's overall durability.4. Bootable Device Support: This external graphics card supports use as a bootable device, offering users additional options for system startup and operating. It enhances the system's flexibility and usability, accommodating diverse user needs.5. Easy Installation and Compatibility: With no need for additional driver installation, this card offers a simple plug and play solution for users. It is compatible with various operating systems, including for Wins 8.1, 8.1 64 bit, for Wins 10, 10 64 bit, for Wins 11, for Wins Server 2019, and for Linux core 5.11 or higher.Specification:Item Type: Expansion CardMaterial: PCBInterface: TO Oculink SFF 8612Support: Support PCIe 4.0, backward compatible with PCIe 3.0 and PCIe 2.0System: for OS X, for Wins, for LinuxUpstream: PCIe Gen4 x8 Bandwidth 128GbpsDownstream: PCIe Gen4 x4 x2 Port Bandwidth: 32Gbps x2Port.Package List:1 x Expansion Card1 x Baffle1 x ScrewNote:The motherboard needs to support PCIE X4X4 splitting.