This PCI Express 1x card expands the PC by one SFF-8612 interface, It can be connected e. g. one SSD/eGPU using an optional cable. The card transmits PCI Express signals using the PCIE 4.0 protocol. Oculink is the next generation of high-speed internal and external I/O connectors for PCI-E, compatible with T10/ SAS-4 24 Gbps, SFF-8611, SFF-8612, PCIe Gen 3 and Gen 4.