Welcome to QSFPTEK Global     Free shipping on orders over US$ 79.8     US and Poland Local warehouse

Contact Us
United States - English / $USD
United States -   English / $USD
  • Bosnia and Herzegovina - English / $USD
  • Benin - English / $USD
  • Bermuda - English / $USD
  • Bhutan - English / $USD
  • Bolivia - English / $USD
  • Botswana - English / $USD
  • Brazil - English / $USD
  • Brunei - English / $USD
  • Cambodia - English / $USD
  • Cameroon - English / $USD
  • Canada - English / $USD
  • Bulgaria - English / $USD
  • Chad - English / $USD
  • Chile - English / $USD
  • Colombia - English / $USD
  • Costa Rica - English / $USD
  • Djibouti - English / $USD
  • Dominica - English / $USD
  • Dominican Republic - English / $USD
  • Egypt - English / $USD
  • Fiji - English / $USD
  • Gabon - English / $USD
  • Canary Islands - English / $USD
  • The Gambia - English / $USD
  • Georgia - English / $USD
  • Ghana - English / $USD
  • Grenada - English / $USD
  • Guinea - English / $USD
  • Guyana - English / $USD
  • Hong Kong - English / $USD
  • India - English / $USD
  • Indonesia - English / $USD
  • Israel - English / $USD
  • Ceuta - English / $USD
  • Jamaica - English / $USD
  • Jordan - English / $USD
  • Kazakhstan - English / $USD
  • Kenya - English / $USD
  • Kiribati - English / $USD
  • Republic of Korea - English / $USD
  • Kuwait - English / $USD
  • Kyrgyzstan - English / $USD
  • Laos - English / $USD
  • Liberia - English / $USD
  • Croatia - English / $USD
  • Macao - English / $USD
  • Madagascar - English / $USD
  • Malawi - English / $USD
  • Malaysia - English / $USD
  • Maldives - English / $USD
  • Mali - English / $USD
  • Mauritania - English / $USD
  • Mauritius - English / $USD
  • Mexico - English / $USD
  • Mongolia - English / $USD
  • Cyprus - English / $USD
  • Montserrat - English / $USD
  • Morocco - English / $USD
  • Mozambique - English / $USD
  • Namibia - English / $USD
  • Nepal - English / $USD
  • Niger - English / $USD
  • Nigeria - English / $USD
  • Norfolk Island - English / $USD
  • Northern Ireland - English / $USD
  • Oman - English / $USD
  • Denmark - English / $USD
  • Pakistan - English / $USD
  • Panama - English / $USD
  • Papua New Guinea - English / $USD
  • Paraguay - English / $USD
  • Peru - English / $USD
  • Philippines - English / $USD
  • Qatar - English / $USD
  • Rwanda - English / $USD
  • Samoa[12] - English / $USD
  • Saudi Arabia - English / $USD
  • Estonia - English / $USD
  • Senegal - English / $USD
  • Seychelles - English / $USD
  • Sierra Leone - English / $USD
  • Singapore - English / $USD
  • Solomon Islands - English / $USD
  • South Africa - English / $USD
  • Sri Lanka - English / $USD
  • Saint Kitts and Nevis - English / $USD
  • Saint Lucia - English / $USD
  • Saint Vincent and the Grenadines - English / $USD
  • Finland - English / $USD
  • Suriname - English / $USD
  • Tajikistan - English / $USD
  • Tanzania - English / $USD
  • Thailand - English / $USD
  • Togo - English / $USD
  • Tonga - English / $USD
  • Trinidad and Tobago - English / $USD
  • Tunisia - English / $USD
  • Turkmenistan - English / $USD
  • United Arab Emirates - English / $USD
  • France - English / $USD
  • Uruguay - English / $USD
  • Uzbekistan - English / $USD
  • Vanuatu - English / $USD
  • Zambia - English / $USD
  • Vietnam - English / $USD
  • Antigua and Barbuda - English / $USD
  • Australia - English / $USD
  • Belarus - English / $USD
  • Belize - English / $USD
  • Burkina Faso - English / $USD
  • French Guiana - English / $USD
  • Burundi - English / $USD
  • Cape Verde Islands - English / $USD
  • Cayman Islands - English / $USD
  • Central African Republic - English / $USD
  • Democratic Republic of the Congo - English / $USD
  • Democratic Republic of the Congo[3] - English / $USD
  • Cook Islands - English / $USD
  • Cuba - English / $USD
  • England - English / $USD
  • Equatorial Guinea - English / $USD
  • Germany - English / $USD
  • Eritrea - English / $USD
  • Ethiopia - English / $USD
  • Faroe Islands - English / $USD
  • French Polynesia - English / $USD
  • Gibraltar - English / $USD
  • Guatemala - English / $USD
  • Guernsey - English / $USD
  • Guinea-Bissau - English / $USD
  • Honduras - English / $USD
  • Iraq - English / $USD
  • Greece - English / $USD
  • Cote d'Ivoire - English / $USD
  • Japan - English / $USD
  • Jersey - English / $USD
  • Lebanon - English / $USD
  • The Kingdom of Lesotho - English / $USD
  • Libya - English / $USD
  • Liechtenstein - English / $USD
  • New Caledonia - English / $USD
  • New Zealand - English / $USD
  • Nicaragua - English / $USD
  • Greenland - English / $USD
  • Russian Federation - English / $USD
  • Saba - English / $USD
  • São Tomé and Príncipe - English / $USD
  • Scotland - English / $USD
  • Saint Kitts - English / $USD
  • Sint Eustatius - English / $USD
  • Eswatini - English / $USD
  • Tahiti - English / $USD
  • Tuvalu - English / $USD
  • Uganda - English / $USD
  • Guadeloupe - English / $USD
  • Ukraine - English / $USD
  • Union Island - English / $USD
  • United Kingdom of Great Britain and Northern Ireland - English / $USD
  • Venezuela - English / $USD
  • Wales - English / $USD
  • Wallis and Futuna - English / $USD
  • Yemen - English / $USD
  • Zimbabwe - English / $USD
  • Hungary - English / $USD
  • Iceland - English / $USD
  • Italy - English / $USD
  • Kosovo - English / $USD
  • Latvia - English / $USD
  • Albania - English / $USD
  • Lithuania - English / $USD
  • Luxembourg - English / $USD
  • Macedonia - English / $USD
  • Madeira - English / $USD
  • Malta - English / $USD
  • Martinique - English / $USD
  • Mayotte - English / $USD
  • Melilla - English / $USD
  • Moldova - English / $USD
  • Monaco - English / $USD
  • Andorra - English / $USD
  • Montenegro - English / $USD
  • Netherlands - English / $USD
  • Norway - English / $USD
  • Poland - English / $USD
  • Portugal - English / $USD
  • Republic of Ireland - English / $USD
  • Reunion - English / $USD
  • Romania - English / $USD
  • Saint Barthelemy - English / $USD
  • San Marino - English / $USD
  • Aran Islands - English / $USD
  • Serbia - English / $USD
  • Slovakia - English / $USD
  • Slovenia - English / $USD
  • Spain - English / $USD
  • Sweden - English / $USD
  • Switzerland - English / $USD
  • The Czech Republic - English / $USD
  • Turkey - English / $USD
  • Vatican City State - English / $USD
  • Afghanistan - English / $USD
  • Aruba - English / $USD
  • American Samoa - English / $USD
  • Bonaire - English / $USD
  • British Virgin Islands - English / $USD
  • Comoros - English / $USD
  • Curacao - English / $USD
  • Timor-Leste - English / $USD
  • Ecuador - English / $USD
  • El Salvador - English / $USD
  • Guam - English / $USD
  • Kosrae - English / $USD
  • Austria - English / $USD
  • Marshall Islands - English / $USD
  • Federated States of Micronesia - English / $USD
  • Northern Mariana Islands - English / $USD
  • Palau - English / $USD
  • Pohnpei Island - English / $USD
  • Puerto Rico - English / $USD
  • Rota - English / $USD
  • Saipan - English / $USD
  • Santa Cruz - English / $USD
  • Saint John - English / $USD
  • Azores - English / $USD
  • saint martin - English / $USD
  • St. Thomas - English / $USD
  • Tinian Island - English / $USD
  • Tortola Island - English / $USD
  • Truk Islands - English / $USD
  • Turks and Caicos Islands - English / $USD
  • U.S. Virgin Islands - English / $USD
  • United States - English / $USD
  • Virgin Gorda - English / $USD
  • Yap Islands - English / $USD
  • Belgium - English / $USD
  • Algeria - English / $USD
  • Angola - English / $USD
  • Anguilla - English / $USD
  • Argentina - English / $USD
  • Armenia - English / $USD
  • Azerbaijan - English / $USD
  • The Bahamas - English / $USD
  • Bahrain - English / $USD
  • Bangladesh - English / $USD
  • Barbados - English / $USD
Search

Cart

0
Free shipping on orders over US$ 79.8
United States

Chat Now

[email protected]

(858) 583 6532

-
+

Add to Cart

Home / Products / Transceivers / 25G/40G Transceivers / 25G SFP28 / 57547

Mellanox SFP28-25GER-31 Compatible 25GBASE-ER 1310nm 40KM DDM LC SMF Optical Transceiver Module

Product No :57547
US$ 109.00
Compatible
Transceivers type
69 in real-time stock, 28Mar, 2025

Free Shipping over US$ 79.8

US/EU/Global warehouses in stock

30-day Return and Refund

;jsessionid=88AFAAB9CAB77EF9666890DC48BDB1D1
-
+
Add to Cart Bulk Order Quotes 
1. Rate: 25G; Connector: Duplex lC
2. DFB+PIN; Low Power Consumption <2W
3. Applied in Metro and Long-Haul network
4. Fully Compatible with 100+ Vendors
5. SFP28 MSA Compliant
See more

Specifications

Mellanox SFP28-25GER-31 Compatible 25GBASE-ER SFP28 Optical Transceiver Module (SMF, 1310nm, 40km, LC, DDM)

 

The Mellanox SFP28-25GER-31 compatible 25G SFP28 transceiver module is equipped with LC duplex connectors, reaching a link up to 40km over OS2 single-mode fiber with FEC (30km over G.652 SMF without FEC). This 25G optical transceiver comes with an SFP28 connector, enabling 25 Gbps bandwidth. DOM/DDM (digital diagnostics monitoring) function is supported on the 25G fiber optic transceiver to achieve real-time operating parameters monitoring.

 

QSFPTEK manufactured 25GBASE-ER SFP28 module is compliant with SFP28 MSA, IEEE 802.3by SFP28 specifications. Besides, the small form-factor pluggable 28 (SFP28) ER optic has been tested on host devices to ensure full compatibility with Mellanox equipment, such as data center switches, enterprise routers, and server network interface cards (NICs). The third-party 25G SFP module is an ideal substitute to the Mellanox SFP28-25GER-31 SFP28 25G transceiver at an affordable price, providing a cost-effective compatible solution for high-performance 25G connectivity.

 

ER 25G SFP28 transceiver caters to 25 Gigabit Ethernet (25GbE) optical fiber connections, ideal for long-distance applications in the campus, metro networks, ISP operators, etc.

 

Model Name SFP28-25GER-31 Vendor Name QSFPTEK
Form Factor SFP28 Data Rate 25 Gbps
Wavelength 1310nm Distance 40km@OS2 with FEC
Connector LC Duplex Cable Type OS2 SMF
Transmitter Type DFB Receiver Type PIN
TX Power -3~6dBm Receiver Sensitivity <-18dBm
Power Consumption <2W Modulation Format NRZ
DDM Support Bit Error Ratio (BER) 1E-12
Protocols IEEE 802.3ba, SFP28 MSA Warranty 5 Years

 

Quality Testing Program
Optical Transceivers Testing

Take a look at our test program to get the reliable and high-performance optical transceivers.

Quality Certifications

Features

  • 1. High Reliablility and Best Price
    Proudly self-producing and rigorous testing, QSFPTEK is dedicated to delivering cost-effective products with high reliability and performance at trade price.
  • 2. Wide Application Scenarios
    Fully compatible with almost all Mellanox devices. Ideal for metro and long-haul networks.
  • 3. Protocols
    Compliant with IEEE 802.3ba, SFP28 MSA.
  • 4. Quality Certifications
    Backed by CE, FCC, ROSH, ISO9001.

Applications

Direct Connection for 25G SFP28 25GBASE-ER Transceivers

Related Products:

• LC UPC to LC UPC Duplex OS2 Single-mode Fiber Optic Patch Cable (SMF)

Product details

Various Switch Tests

 

Every module is quality tested for compatibility in the multi-brand switches environment, which guarantees flawless operations.

 

 

 

Tested in The Host Device to Prove Interoperability

 

Every unit sold undergoes rigorous quality testing, to ensure compatibility in the target switch environment, guaranteeing perfect operation.

 

QSFPTEK Test Rack

 

 

Comprehensive Testing

 

Every module is qualified through rigorous procedures and advanced equipment to ensure high-quality and reliable optical devices for you.

 

QSFPTEK Test Devices

 

 

;jsessionid=88AFAAB9CAB77EF9666890DC48BDB1D1

Questions & Answers

Customer Reviews

Write a Review
Sign in to write a review
Write a Review

5 stars

75 Reviews

4 stars

3 Reviews

3 stars

0 Reviews

2 stars

0 Reviews

1 stars

0 Reviews

Reviews with images

See all photos

Read reviews that mention

Resources

  • PDF Document
    QT-SFP28-ER Datasheet.pdf
Contact us
Write a Review
Mellanox SFP28-25GER-31 Compatible 25GBASE-ER 1310nm 40KM DDM LC SMF Optical Transceiver Module

Compatible Mellanox

Transceivers type SFP28-25GER-31

* Review
0/1000
Allow files type of JPG, PNG, MP4. Maximum file size: 5MB

Maximum size: 5MB

Satisfaction
Customer Gallery
View All Customer Gallery

Mark

2023-12-15
This product works well with my switch, and I plan to buy some DWDM transceivers from QT. Excellent value fo ct works well with my switch, and I plan to buy some DWDM transceivers from QT. Excellent valur money!

Verified Purchase

Helpful

8

Sign in to vote
Added to Cart
Mellanox SFP28-25GER-31 Compatible 25GBASE-ER 1310nm 40KM DDM LC SMF Optical Transceiver Module
US$ 109.00
Compatible
Mellanox
Transceivers type
SFP28-25GER-31
Quantity
Subtotal
View Cart
Check Out
Continue shopping

Confirmation

Successfully added shopping cart

Bulk Order Quotes
Mellanox SFP28-25GER-31 Compatible 25GBASE-ER 1310nm 40KM DDM LC SMF Optical Transceiver Module ;jsessionid=88AFAAB9CAB77EF9666890DC48BDB1D1

Compatible Mellanox ;jsessionid=88AFAAB9CAB77EF9666890DC48BDB1D1

Transceivers type SFP28-25GER-31 ;jsessionid=88AFAAB9CAB77EF9666890DC48BDB1D1

  • Qty:

  • Name:

  • E-mail:

  • Country