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StarTech MSA UNCODED Compatible QSFP+ Module 40GBASE-SR4 40GE Gigabit Ethernet QSFP+ Multi Mode Fiber MMF 300m QSFP40GESR4ST

StarTech MSA UNCODED Compatible QSFP+ Module 40GBASE-SR4 40GE Gigabit Ethernet QSFP+ Multi Mode Fiber MMF 300m QSFP40GESR4ST
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General Information

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.

StarTech.com SFPs

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

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 40GBase-SR4 Network

Media & Performance
Media Type Supported:Optical Fiber
Fiber Mode Supported:Multi-mode
Ethernet Technology:40 Gigabit Ethernet
Network Technology:40GBase-SR4

Physical Characteristics
Form Factor:Hot-swappable

Miscellaneous
Compatibility:MSA Compliant
Country of Origin:China

Warranty
Limited Warranty:Lifetime

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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Shipping Restrictions
  • This item cannot be shipped to PO Boxes.
  • This item can be shipped only within the U.S.

Special Order Item

This item ships directly from the manufacturer and is not stocked in our warehouse. If stock is available at the manufacturer, the item will ship directly to you, usually within 7 - 15 business days.

Once the order has been sent to the manufacturer it can no longer be canceled.

If payment is made via credit card it will be charged before the order is sent to the manufacturer.

You must contact the manufacturer directly regarding returns and defective items.

We will contact you by email if the item is sold out or backordered (and we were unable to update the site before you placed the order) or if the item will be delayed longer than expected.

We have no control over the speed of the manufacturer's order processing, or whether they will honor your request to ship the item by any particular method.



  • UPC: 065030886352 
  • Mfr's Part #: QSFP-40G-ESR4-ST