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The SFP1GBX40UES is a Dell EMC SFP-1G-BX40-U compatible upstream fiber SFP transceiver which pairs with's SFP1GBX40DES. 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: 1310nmTx/1490nmRx 
  • Maximum Data Transfer Rate: 1000 Mbps (1 Gbps) 
  • Type: Single Mode Fiber 
  • Connection Type: LC Connector 
  • Maximum Transfer Distance: 40 km (24.8 mi) 
  • Power Consumption: < 1.6W 
  • DDM: Yes 

This SFP fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. SFPs 

All SFP & SFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. offers a wide variety of SFP modules and direct-attach SFP Cables, providing the convenience and reliability you need to ensure dependable network performance. 

Dell EMC SFP-1G-BX40-U Compatible SFP 1000BASE-BX-U (1Gbps) - 1310nmTx/1490nmRx Single Mode (SMF) 10GE BiDi Transceiver - Up to 40km (24.8mi) - 10 Gigabit Ethernet - Single Strand WDM SFP+ SMF Connector | DDM - Hot-Swappable | MSA Compliant - Backed by Lifetime Warranty on the module itself - not the life of the Dell EMC switch/router and will not void OEM warranty



Warranty Information Warranty Lifetime
Material Steel
Hardware Compatible Brand Dell EMC
Industry Standards IEEE 802.3 1000BASE-BX40
Packaging Information Package Height 1.2 in [31 mm]
Package Length 4.5 in [11.5 cm]
Shipping (Package) Weight 1.8 oz [50 g]
Package Width 3.5 in [90 mm]
Performance Power Consumption (In Watts) < 1.6W
MTBF 3,713,222 hours
Type Single Mode
Compatible Networks 1000 Mbps (1 Gbps)
Maximum Data Transfer Rate 1.00 Gbps
Max Transfer Distance 40 km (24.8 mi)
Wavelength 1310nmTx/1490nmRx
Fiber Operating Mode Full-Duplex
Physical Characteristics Product Height 0.5 in [12.6 mm]
Product Length 0.5 in [13.9 mm]
Weight of Product 1.1 oz [30 g]
Product Width 2.3 in [58.4 mm]
What's in the Box 1 - Included in Package SFP Transceiver
Barcode # 65030883276
Shipping Weight 0.0400kg
Manufacturer Warranty: Limited Product Lifetime Warranty

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StarTech Dell EMC SFP-1G-BX40-U Compatible - 1GbE BiDi SMF SFP

Model # SFP1GBX40UES


SAVE $96.09 (30%)
In Stock

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