- Constructed to support OM4 transmission standards - Multimode fiber construction - 50/125 diameter core and cladding - Support for 40 Gigabit and 100 Gigabit Ethernet communication - Lifetime warranty This OM4 Duplex Multimode Fiber Optic Cable is ideal for connecting 40GBase-SR4 and 100GBase-SR10, SFP+ and QSFP+ transceivers for 40 and 100 Gigabit network connections. This cable provides backward compatibility with existing 50/125 equipment and the performance headroom required to support LED and VCSEL laser light sources, and 40 or 100 gigabit Ethernet applications in a datacenter or wiring closet..