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StarTech Dell EMC 3CSFP91 Compatible QSFP+ Module 40GBASE-ER4 40GE Gigabit Ethernet QSFP+ Single Mode Fiber SMF 40 km DDM QSFP40GER4ES

StarTech Dell EMC 3CSFP91 Compatible QSFP+ Module 40GBASE-ER4 40GE Gigabit Ethernet QSFP+ Single Mode Fiber SMF 40 km DDM QSFP40GER4ES
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General Information

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.

Technical Information
Application/Usage:Optical Network
Application/Usage:Data Networking

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
Environmentally Friendly:Yes
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: 065030884280 
  • Mfr's Part #: QSFP40GER4ES