StarTech.com Arista Networks QSFP-40G-XSR4 Compatible QSFP+ Module, 40GBASE-SR4, 40GbE Multimode Fiber MMF Optic Transceiver, 40GE Gigabit Ethernet QSFP+, MPO Connector, 400m, 850nm, DDM - Lifetime Warranty (QSFP-40G-XSR4-AR-ST) - QSFP+ transceiver module (equivalent to: Arista Networks QSFP-40G-XSR4) - 40 Gigabit LAN - 40GBASE-SR4 - MPO multi-mode - up to 400 m - 850 nm

The QSFP-40G-XSR4-AR-ST is an Arista QSFP-40G-XSR4 compatible fiber transceiver module that has been designed, programmed and tested to work with Arista 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 400 m (1312 ft.). 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.