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