JMT M.2 NVMe M Key to Oculink 4i / SFF8612 Extension Cable PCIe4.0 X4 Gen3 4 Compatible with T10 / SAS-4 SFF-8612 M.2 M key nvme to Oculink Adapter Cable with Fixed Buckle. QA: 1. PCIe speed of this cable: This accessory is incompatible with third-party components. Gen4 performance is only guaranteed when paired with our DOCK-OC4/OC5/OC6 products. 2.Tested this device in my M.2 slot but received no signal: This product is an accessory only and cannot function independently. It requires pairing with a DOCK-OC4/OC5/OC6 graphics card dock. 3.Product received is defective: This product is solely an accessory. Its quality cannot be assessed when used alone; it must be paired with a graphics card dock to evaluate performance. 4.Product performance: This product is solely an accessory. Performance is determined by the primary device and graphics card dock; the quality of this accessory does not affect overall performance. Product Description : 1, OCuLink is the next generation of high-speed internal and external I/O connectors for servers, compatible with T10/ SAS-4 24 Gbps, SFF-8611, SFF-8612, PCIe Gen 3 and Gen 4. 2, M.2 to Ouclink 4i\SFF8611 silver-plated extension cable, support PCIE 4.0 X4 GEN4, GEN3. 3,Suitable for small hosts, desktops, laptops, etc. to convert M.2 sockets to Oculink sockets, with fixing holes for fixing. 4,Cable length is optional and can be customised. The length indicates the cable part, without connector. 5,Silver-plated cable, aluminium foil shielding, high speed and no loss. 6,Support PCIE 4.0 data transmission, support connecting GPU graphics card, SSD, expansion card, etc., backward compatible with PCIE 3.0. 7,Support DOCK-OC4/DOCK-OC5/ DOCK-OC6 external docking station.