StarTech.com Cisco SFP-10G-LR-40 Compatible SFP+ Module, 10GBASE-LR, 10GbE Single Mode (SMF) Fiber SMF Optic Transceiver, 10GE Gigabit Ethernet SFP+ LC 40km, 1310nm, DDM, Cisco Firepower - Lifetime Warranty (SFP-10G-LR-40-ST) - SFP+ transceiver module (equivalent to: Cisco SFP-10G-LR-40) - 10GbE - 10GBase-LR - LC single-mode - up to 40 km - 1310 nm

The SFP-10G-LR-40-ST is a Cisco SFP-10G-LR-40 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-LR compliant networks, with a maximum distance of up to 40 km (24.8 mi). This SFP+ 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.