This fiber optic cable lets you connect 40GBase-SR4 100GBase-SR10 SFP+ and QSFP+ transceivers in 40 and 100 Gigabit networks. The OM4 cable supports Vertical Cavity Surface Emitting Laser (VCSEL) and LED light sources and is backward compatible with your existing 50/125 equipment.This Aqua OM4 duplex multimode fiber cable is housed in a LSZH (Low-Smoke Zero-Halogen) flame retardant jacket to ensure minimal smoke toxicity and corrosion when exposed to high sources of heat in the event of a fire. It's ideal for use in industrial settings central offices and schools as well as residential settings where building codes are a consideration.Each OM4 fiber cable is individually tested and certified to be within acceptable optical insertion loss limits for guaranteed compatibility and 100% reliability.The 450FBLCLC2 from StarTech.com is backed by a lifetime warranty.