Feature:1. EXPAND CONNECTIVITY: PCIe x4 to Oculink adapter card allows seamless connection with more devices like NVMe SSD or eGPU using SFF-8611 cable, expanding PC functionality.2. FAST DATA TRANSFER: The graphics card supports PCIe 4.0 standard with a transfer rate of 16 GT/s per channel on 4 channels, totaling 64 Gbps, ensuring fast and efficient data read write performance for high performance applications.3. STABLE STRUCTURE: The external graphics card with connector casing soldered onto PCB ensures safe connections, reduces vulnerability, provides convenient plug and play experience, and enhances durability.4. BOOTABLE DEVICE SUPPORT: PCIe x4 to Oculink card can be used as a bootable device, offering users more system boot and operations options, enhancing system flexibility and availability.5. CONVENIENT PLUG AND PLAY: No additional driver installation required, simply plug and play for easy use. Compatible with multiple operating systems including for Wins 8.1, 8.1 64 bit, for Winds 10, 10 64 bit, for Wins 11, for Wins Server 2019, and for Linux kernel 5.11 or higher versions.Specification:Item Type: PCIe X4 to Oculink CardMaterial: PCBInterface: TO Oculink SFF-8612Support: Supports PCIe 4.0, backward compatible with PCIe 3.0, PCIe 2.0System: For OS X, for Wins, for Linux.Package List:1 x Graphics Card1 x Bracket1 x Screw