StarTech.com HPE JG661A Compatible QSFP+ Module, 40GBASE-LR4, 40GbE Single Mode (SMF) Fiber Optic Transceiver, 40GE Gigabit Ethernet QSFP+, LC 10km, 1270nm to 1330nm, DDM, HPE 5900AF 12902 - Lifetime Warranty (JG661A-ST) - QSFP+ transceiver module (equivalent to: HP JG661A) - 40GbE - 40GBase-LR4 - LC single-mode - up to 10 km - 850 nm

The JG661A-ST is a HP JG709A compatible fiber transceiver module that has been designed, programmed and tested to work with HP brand switches and routers. It delivers dependable 40 GbE connectivity over fiber cable, for 40GBase-SR4 compliant networks, with a maximum distance of up to 300 m (984 ft). This QSFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. StarTech.com offers a wide variety of QSFP+ modules and direct-attach QSFP+ cables, providing the convenience and reliability you need to ensure dependable network performance.