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. Technical Specifications: Wavelength: 1490nmTx/1310nmRx Maximum Data Transfer Rate: 1000 Mbps (1 Gbps) Type: Single Mode Fiber Connection Type: LC Connector Maximum Transfer Distance: 40 km (24.8 mi) MTBF: 3,713,222 hours Power Consumption: < 1.6W DDM: Yes This SFP fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. StarTech.com SFPs All StarTech.com SFP & SFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. 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.

• SFP (mini-GBIC)provides enhanced usability with optimal efficiency and convenience
• With 1000Base-BX40-D technology, achieve data transfer rates up to 1000Mbps over optical fiber cable using 1000Base-BX40-D for enhanced network performance
• Delivering up to 10x the speed of standard Ethernet, Gigabit Ethernet ensures high-performance connectivity
• Optical fiber cable compatibility ensures long-distance connectivity and provides high-speed data transmission rates between servers and network components
• Single-mode fiber optics utilize a single wavelength of light to efficiently transmit data and audio/video applications over extensive distances
• Hot-swappable form factorensures effortless and user-friendly operation, enhancing overall efficiency
• SFP (mini-GBIC)withdata networkingapplication/usage ensures maximum productivity and usability