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Extreme Networks 40GB-ESR4-QSFP Compatible 40GBASE-ESR4 QSFP+ 850nm 400m DOM Transceiver
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Extreme Networks 40GB-ESR4-QSFP Compatible 40GBASE-ESR4 QSFP+ 850nm 400m DOM Transceiver


Every transceiver is individually tested on full range of Extreme equipments, walks through the testing challenges and 100% compatibility.

Shipping Cost:
US$  21.00 to United States Via FedEx
US$  110.00
Availability: 324 pcs in stock, Ship same day

Extreme Networks 40GB-ESR4-QSFP Compatible 40GBASE-ESR4 QSFP+ Transceiver (MMF, 850nm, 400m, MTP/MPO, DOM)

Product Details

Extreme Networks Genuine 40GB-ESR4-QSFP Vendor Name Fiberstore
Form Type QSFP+ Max Data Rate 40Gbps
Wavelength 850nm Max Cable Distance 400m @ OM4 MMF
Interface MTP/MPO Optical Components VCSEL 850nm
Cable Type MMF DOM Support Yes
Commercial Temperature Range 0 to 70°C (32 to 158°F) HTS-Harmonized Code 8517706000

Platform Support

Extreme 40GB-ESR4-QSFP is supported on a wide range of Extreme equipment.

7100-Series S-Series
X670V Module VIM4-40G4X

Test Center:

Extreme X670V

Packaging & Labeling

Package option: 4 units in a carton box with visual plastic window or 1 unit in a transparent tray box, which has been labelled and marked by FS.COM as default. Customized label or package solutions are available as request, please contact us at .

OEM & Customs

Partnering with a variety of world class OEM manufacturers over 8 years, Fiberstore is able to provide customized and cost-effective solutions of high quality for all needs and specifications, including Optical design, Mechanical design, Printed Circuit Board (PCB) layout and Electrical design, Software & Firmware design, Integrated assembly, Specific labels, etc. With surging sales and favorable customer feedback, Fiberstore has been expanding rapidly across the world and is becoming the leading provider of the optical communication industry. If you are interested in our products, please feel free to contact us


Fiberstore can provide the both ourselves forwarder and customer appointed forwarder in the way of Air, Sea, Road. Which is carrier by FedEx, DHL, UPS, TNT and EMS. Your items are probably shipped at the same day (some transceivers can be delivered within 20 minutes). If we have no stocks in our warehouse, the ship will be delayed for 1-2 days. DHL will take 2-4 business days for delivery and FedEx just needs 1-3 business days. For Spain, Italy, Brazil and some other countries, items will take longer time to arrive due to customs clearance period.

Our Factory

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Customer Reviews
  • 4.7

    10 reviews

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Ryan May 16,2016
Thank you for making online shopping easy
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Alex May 7,2016
Easy to purchase and good prices.
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Charles May 4,2016
Item competitively priced. Most importantly they had it stock and delivered it quickly. 
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Jill May 3,2016
as usual, purchasing goes smooth, and good choices.
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Sergejus April 20,2016
Quick and easy, reputable, and reasonable cost.
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Istehsan April 19,2016
very satisfied. The package arrived very quickly to Poland. I recommend this store!. thanks
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Brian March 25,2016
Very prompt and satisfied.
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Robert February 18,2016
An excellent job
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Larry January 23,2016
Good service, recommended.
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Suresh January 6,2016
Fast delivery to Norway! Great product.
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