This is a 5m angled MPO (female) to 2x angled MPO (female) 12-strand aqua crossover polarity-B LSZH fiber patch cable. An OM4 cable has a core size of 50m microns that supports 10 Gigabit Ethernet at lengths measuring up to 550 meters, and 400 Gigabit Ethernet measuring up to 100 meters and is reverse compatible with OM3. This low smoke zero halogen cable reduces the amount of toxic and corrosive gas emitted during combustion. This type of material is typically used in poorly ventilated areas such as aircrafts, rail cars or ships and will self-extinguish. Our patch cables are 100% compliant for all of your networking needs. Our products are guaranteed by federal law to not affect or void OEM warranties.