StarTech.com Dell EMC SFP-10G-SR Compatible SFP+ Module, 10GBASE-SR, 10GbE Multimode Fiber MMF Optic Transceiver, 10GE Gigabit Ethernet SFP+, LC Connector, 400m, 850nm, DDM, Mini GBIC - Lifetime Warranty (SFP10GSREMST) - SFP+ transceiver module (equivalent to: Dell EMC SFP-10G-SR) - 10GbE - 10GBase-SR - LC multi-mode - up to 400 m - 850 nm