StarTech.com Dell EMC SFP-1G-BX40-D Compatible SFP Module, 1000BASE-BX-D, 1 Gigabit Ethernet Bi-Directional (BiDi) Fiber Single Strand SFP, LC 40km, Mini GBIC Transceiver SFP, Downstream - Lifetime Warranty (SFP1GBX40DES) - SFP (mini-GBIC) transceiver module (equivalent to: Dell EMC SFP-1G-BX40-D) - GigE - 1000Base-BX40-D - LC single-mode - up to 40 km - 1490 (TX) / 1310 (RX) nm

The SFP1GBX40DES is a Dell EMC SFP-1G-BX40-D compatible downstream fiber SFP transceiver which pairs with StarTech.com's SFP1GBX40UES. They are designed, programmed and tested to work with 1000Base-BX40 compatible Dell EMC switches and routers. The SFP transceiver module supports a maximum distance of up to 40 km (24.8 mi) and delivers dependable 1 GbE connectivity over fiber cabling. This SFP fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. StarTech.com offers a wide variety of SFP modules and direct-attach SFP Cables, providing the convenience and reliability you need to ensure dependable network performance.