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StarTech Dell EMC QSFP-40G-LR4 Compatible QSFP+ - 40GbE SMF - 10km DDM
SKU# AC31277, Model# QSFP40GLR4ES

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SKU # AC31277 | Model # QSFP40GLR4ES

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Dell EMC QSFP-40G-LR4 Compatible QSFP+ 40GBASE-LR4 (40Gbps) Gigabit Ethernet - 1311nm Single Mode (SMF) - Up to 10km (6.2mi) - LC Connector DDM - Designed programmed and tested to work with compatible Dell EMC switches and routers - Hot-Swappable & MSA Compliant - Backed by a lifetime warranty on the module itself not the life of the OEM switch / router & will not void your OEM warranty

Manufacturer Warranty: Limited Product Lifetime Warranty
Manufacturer Contact Info:,

The QSFP40GLR4ES is a Dell EMC QSFP-40G-LR4 compatible fiber transceiver module that has been designed, programmed and tested to work with Dell EMC brand switches and routers. It delivers dependable 40 GbE connectivity over fiber cable, for 40GBase-LR4 compliant networks, with a maximum distance of up to 10 km (6.2 mi).  Technical Specifications: 
  • Wavelength: 1311nm 
  • Maximum Data Transfer Rate: 40 Gbps 
  • Type: Single Mode
  • Connection Type: MPO Connector 
  • Maximum Transfer Distance: 10 km (6.2 mi)
  • MTBF:  8,596,956 hours hours 
  • Power Consumption: < 1.3W 
  • Digital Diagnostics Monitoring (DDM): Yes 
This QSFP+ 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. 

Brand Compatible SFP without trade markDell EMC
Compatible BrandDell EMC™
Industry StandardsIEEE 802.3ba 40GBASE-LR4Q
Packaging Information
Package Height350.000
Package Length205.000
Package Width120.000
Shipping (Package) Weight40.000
Compatible Networks40 Gbps
Fiber Operating ModeFull-Duplex
Max Transfer Distance10 km (6.2 mi)
Maximum Data Transfer Rate40.00 Gbps
MTBF8,596,956 hours
Power Consumption (In Watts)< 1.3W
TypeSingle Mode
Physical Characteristics
Product Height12.600
Product Length1.4 cm [0.5 in]
Product Width58.400
Weight of Product40.000
Description CDW 75 - 1st Dell EMC QSFP-40G-LR4 Compatible QSFP+ Module
What's in the Box
Included in PackageQSFP+ Transceiver

SKU # AC31277 | Model # QSFP40GLR4ES

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