100% DELL EMC SFP-1G-SX COMPATIBLE SFP TRANSCEIVER: Designed, programmed and tested to work with compatible Dell EMC switches and routers to deliver dependable 1GbE connectivity TECHNICAL SPECS: 1000BASE-SX | 1Gbps | Multi Mode (MMF) | LC Connector | 850nm | Digital Diagnostic Monitoring (DDM) | Distances up to 550m (1804ft) TESTED FOR OEM HOST COMPATIBILITY: Hot-swappable in Dell EMC routers and switches; DDM support reports the transceiver's status to most SNMP network management tools BACKED BY STARTECH.COM FOR LIFE: Backed For Life by StarTech.com on the life of the module itself, not the life of your switch; our modules won't void your OEM warranty & with 24/5 tech support WORKS WITH MSA COMPLIANT SWITCHES: Also works with switch models from Ubiquiti, D-Link, Netgear, Supermicro, TP-Link and more that accept uncoded modules