1. This adapter card converts motherboard M Mkey(nvme) port to oculink SFF 8612 female port, PCIE X4 4 64G. 2. Connect U SSD through oculink SFF 8611 to SFF 8639 cable. 3. Support to apply with DOCK-OC4 exterior graphics card docking station. 4. Gold finger immersion gold process, utilizing high-density low-impedance circuit board. 5. Equipped with a typical oculink SFF 8612 interface with gold-plated oculink vertical feminine connector. Using M port and NVME PCIE standard. Support 2 inch NVME U(SFF 8639) SSD. Note:Due to varied production batches, the product reveal printing/batch number/appearance could also be different, that isn't impact the use. Colour:Black Material:PCB+Metal Package Contents: 1 * SFF-8612 Adapter Card Only the above package content, various merchandise are usually not included. Note: Light reflection and different reveals can cause the color of the article in the photo barely varied from the genuine thing. The dimension allowed error is +/- 1-3cm.