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StarTech MSA Compliant 40GBase-SR4 QSFP+ - 40GBase-SR4 - LC

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MSRP: $903.00
$689.00 inc GST
— You save $214.00


The QSFP-40G-ESR4-ST is an MSA compatible fiber transceiver module that has been designed, programmed and tested to work with MSA brand switches and routers. It delivers dependable 40 GbE connectivity over fiber cable, for 40GBase-SR4 compliant networks, with a maximum distance of up to 300 m (984 ft).  Technical Specifications: 
  • Wavelength: 850nm
  • Maximum Data Transfer Rate: 40 Gbps 
  • Type: Multi Mode Fiber 
  • Connection Type: MPO
  • Maximum Transfer Distance: 300 m (984 ft)
  • MTBF: 498,745,585 hours 
  • Power Consumption: Low power consumption 
  • Digital Diagnostics Monitoring (DDM): Yes 
This QSFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. SFPs  All SFP & QSFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. offers a wide variety of QSFP+ modules and direct-attach QSFP+ cables, providing the convenience and reliability you need to ensure dependable network performance. 

MTBF646,156,559 hours
Power Consumption (In Watts)< 1.3W
Maximum Data Transfer Rate40.00 Gbps
Max Transfer Distance300 m (984 ft)
Fiber Operating ModeFull-Duplex
Compatible Networks40 Gbps
Packaging Information
Shipping (Package) Weight75.000
Package Width92.000
Package Length117.000
Package Height34.000
Industry StandardsIEEE 802.3ba 40GBASE-SR4
Compatible BrandMSA Compliant
Automation Inputs
Brand Compatible SFP without trade markMSA Compliant
TypeMulti Mode
Physical Characteristics
Product Height8.500
Product Length1.9 cm [0.7 in]
Product Width122.000
Weight of Product37.500
Description CDW 75 - 1st LineStarTech.comᅠ40GBase-SR4ᅠMSA CompliantᅠFiber QSFP+ Module
What's in the Box
Included in PackageQSFP+ Transceiver
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