The SFP10GEREMST is a Dell EMC SFP-10G-ER compatible fiber transceiver module that has been designed, programmed & tested to work with Dell EMC brand switches & routers. It delivers dependable 10 Gb E connectivity over fiber cable, for 10 G Base-ER compliant networks, with a maximum distance of up to 40 km (24.8 mi). This SFP+ fiber module is hot-swappable, making upgrades & replacements seamless by minimizing network disruptions. Star Tech.com offers a wide variety of SFP modules & direct-attach SFP cables, providing the convenience & reliability you need to ensure dependable network performance.