1. The PCIE4.0x4 SFF8611 to SFF-8611 extention ouclink4i silver-plated cable is a next-generation high-speed internal and external I/O connector for servers. 2. It is compatible with T10/SAS-4 24 Gbps, SFF-8611, SFF-8612, PCIe Gen 3, and Gen 4. 3. The Ouclink 4i/SFF8611 silver-plated extension cable supports PCIE 4.0 X4 GEN4, GEN3, and 24Gbps SAS-4. 4. It features full functionality, including power lines, differential high-speed lines, signal lines, and GND lines. 5. The cable is made of silver-plated material with aluminum foil shielding to high-speed and lossless transmission. Supports high-speed I/O connections for servers with OCuLink, compatible with T10/SAS-4 24 Gbps, SFF-8611, SFF-8612, PCIe Gen 3 and Gen 4. It supports PCIE 4.0 data transfer and is compatible with GPU graphics cards, solid-state drives, expansion cards, etc., while also being backward compatible with PCIE 3.0. With its 4-layer PCB bridge design and gold-plated OCuLink 4i 42p connector, this cable provides reliable and flexible connectivity. Length refers to the cable portion excluding the connectors. Color:As Shown Material:Plastic + Metal Package Contents: 1 * MINI SAS Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.