STARTECH 

STARTECH QSFP40GER4ES DELL EMC QSFP-40G-ER4 COMP QSFP+ MODULE - SM TRANSCEIVER

Mfg Part Number:  QSFP40GER4ES  
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Price: $3,078.00
Quantity:
More to Come
Last Updated: Dec 21, 2025
No Sales Tax except these states
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100% Dell EMC Compatible. Guaranteed.

The QSFP40GER4ES is a Dell EMC QSFP-40G-ER4 compatible fiber transceiver module that has been designed, programmed and tested to work with Dell EMC brand compatible switches and routers. It delivers dependable 40 GbE connectivity over fiber cable, for 40GBase-ER4Q compliant networks, with a maximum distance of up to 40 km (24.8 mi).

Technical Specifications:

  • Wavelength: 1311nm
  • Maximum Data Transfer Rate: 40 Gbps
  • Type: Single Mode
  • Connection Type: LC
  • Maximum Transfer Distance: 40 km (24.8 mi)
  • MTBF: 8,596,956 hours
  • Power Consumption: < 1.6W
  • Digital Diagnostics Monitoring (DDM): Yes

This QSFP+ 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 StarTech.com Lifetime Warranty and Free Lifetime Multilinugal Technical Support. StarTech.com offers a wide variety of SFP modules and direct-attach SFP Cables, providing the dependability and reliability you need to ensure consistent network performance.

Main Specification
General Information
Manufacturer StarTech.com
Manufacturer Part Number QSFP40GER4ES
Manufacturer Website Address http://www.startech.com
Brand Name StarTech.com
Product Name Dell EMC QSFP-40G-ER4 Compatible QSFP+ Transceiver Module - 40GBase-ER4Q
Packaged Quantity 1 Each
Product Type QSFP+
Technical Information
Application/Usage Data Networking
Application/Usage Optical Network
Interfaces/Ports
Total Number of Ports 1
Connector Type LC
Interfaces/Ports Details 1 x LC Duplex 40GBase-ER4 Network
Media & Performance
Media Type Supported Optical Fiber
Fiber Mode Supported Single-mode
Ethernet Technology 40 Gigabit Ethernet
Network Technology 40GBase-ER4
Physical Characteristics
Form Factor Hot-swappable
Miscellaneous
Compatibility MSA Compliant
Country of Origin China
Environmentally Friendly Yes
Environmental Compliance Waste Electrical and Electronic Equipment Directive (WEEE)
Environmental Compliance Restriction of Hazardous Substances (RoHS)
Environmental Compliance Registration, Evaluation, Authorization and Restriction of Chemicals (REACH)
Warranty
Limited Warranty Lifetime
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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