Connectors: 1 x OCuLink SFF-8612 female and 1 x 67 pin M. 2 Key M male. ^^ This 15cm cable expands the 2280 M-Key system by one SFF-8612 oculink female interface. ^^ 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. ^^ It can be connected e. g. one SSD or eGPU Graphics Card by using an optional cable. Suitable for small hosts, desktops, laptops, etc. to convert M. 2 sockets to Oculink sockets, with fixing holes for fixing. ^^ The cable transmits PCI Express 4.0 signals using the NVMe protocol; Support PCIE 4.0 data transmission, Data transfer rate up to 64Gbps, Supports NVM Express (NVMe) 1.2. support connecting GPU graphics card, SSD, expansion card, etc., backward compatible with PCIE 3.0.