StarTech.com Dell EMC QSFP 40G ESR4 Compatible QSFP+ Module 40GBASE SR4 40GbE Multimode Fiber MMF Optic Transceiver 40GE Gigabit Ethernet MPO 400m 850nm DDM (QSFP40GESR4E)

100% DELL EMC QSFP-40G-ESR4 COMPATIBLE QSFP+ TRANSCEIVER: Designed, programmed and tested to work with compatible Dell EMC switches and routers to deliver dependable 40GbE connectivity TECHNICAL SPECS: 40GBASE-SR4 | 40Gbps | Multi Mode (MMF) | MPO Connector | 850nm | Digital Diagnostic Monitoring (DDM) | Distances up to 400m (1312ft.) 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