StarTech.com Dell EMC SFP-10G-BX10-D Compatible SFP+ Module, 10GBASE-BX-D, 10 Gigabit Ethernet Bi-Directional (BiDi) Fiber Single Strand SFP+, LC 10km, Mini GBIC Transceiver SFP+ Module - Lifetime Warranty (SFP10GBX10DS) - SFP+ transceiver module (equivalent to: Dell EMC SFP-10G-BX10-D) - 10GbE - 10GBase-BX10-D - LC single-mode - up to 10 km - 1270 nm / 1330 nm