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Learn more about the STARTECH QSFP-40G-ESR4-ST
Model
Brand
StarTech.com
Model
QSFP-40G-ESR4-ST
Details
Device Type
Transceiver
Network Media
MMF
Wavelength
850nm
Ports
LC
Max Distance
300 m (984 ft)
Transfer Rate
40 Gbps
Features
Feature
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).
Additional Information
First Listed on Newegg
January 19, 2026
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.