StarTech.com Cisco WSP-Q40GLR4L Compatible QSFP+ Module, 40GBASE-LR4, 40GbE Single Mode (SMF) Fiber SMF Transceiver, 40 Gigabit Ethernet LC 2km, 1270 to 1330nm, DDM, Cisco Firepower C9300 - Lifetime Warranty (WSP-Q40GLR4L-ST) - QSFP+ transceiver module (equivalent to: Cisco WSP-Q40GLR4L) - 40 Gigabit LAN - 40GBase-IR4 - LC single-mode - up to 2 km - 1270-1330 nm

The WSP-Q40GLR4L-ST is a Cisco WSP-Q40GLR4L compatible fiber transceiver module that has been designed, programmed and tested to work with Cisco brand switches and routers. It delivers dependable 10 GbE connectivity over fiber cable, for 10GBase-LR4 compliant networks, with a maximum distance of up to 2 km (1.2 mi). This QSFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. StarTech.com offers a wide variety of SFP modules and direct-attach SFP cables, providing the convenience and reliability you need to ensure dependable network performance.