1This OCuLink cable can be used to connect internal devices, e. g. a backplane with OCuLink SFF-8611 connector to a controller with OCuLink SFF-8611 connector. ^^ 2Data transfer rate up to 64Gbps, Transmits PCI Express 4.0 signals using the oculink protocol. ^^ 3OCuLink is a peripheral connection standard that allows you to connect PCIe devices using an external cable. ^^ 4It offers higher bandwidth, lower cost, and better performance for external graphics cards & SSD. ^^ 5Angled Design, The angled type Allowing you to connect it to a female port, even if space around the port is limited.