10503 - Extreme Networks 25Gb SFP28 ESR Extended Range 200m OM3 | Aztek Computers
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SKU: UZUY0RMPWT |  Mfg. Part: 10503  | UPC: 644728105038  | 
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10503 - Extreme Networks 25Gb SFP28 ESR Extended Range 200m OM3 / 300m OM4 MMF LC

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$1,482.94  $2,001.97

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Product Overview

The Extreme Networks SFP28 transceiver module provides high-performance connectivity for 25 Gigabit Ethernet applications, enabling seamless data transfer over extended distances.

Compatible with standard LC single-mode fiber, this transceiver operates over wavelengths between 1294.53 nm and 1310.19 nm, achieving effective communication ranges of up to 6.2 miles.

Expert Overview

The Extreme Networks 10503 is a 25Gb SFP28 ESR module designed for extended range multi-mode fiber (MMF) connectivity. This module is suitable for IT professionals and network architects requiring high-speed data transmission over moderate distances within data centers, campus networks, or enterprise environments. It addresses the need for upgrading existing infrastructure to 25 Gigabit Ethernet without replacing entire fiber runs, particularly when utilizing OM3 or OM4 MMF cabling. The module supports the 25GBase-ESR standard, enabling transmission up to 200m over OM3 and 300m over OM4 MMF, using an LC connector. Its compact form factor facilitates efficient installation in compatible Extreme Networks switches, providing a practical solution for enhancing network throughput and extending the reach of 25GbE links.

Technical Specifications

  • Transfer speeds of 25 Gigabit per second
  • Supports 25GBase-ESR standard
  • LC single-mode connector
  • Transmission distance up to 6.2 miles
  • Wavelength range: 1294.53 nm to 1310.19 nm
  • Compact size for efficient installation

Product Details

  • Manufacturer:
  • Model Number:
  • UPC:
  • Condition:
  • Weight:
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  • Updated:
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  • Extreme Networks
  • 10503
  • 644728105038
  • New
  • 0.1 lbs
  • 5 X 5 X 5
  • Aug 12, 2026
  • Jun 09, 2026
Product Identifiers: Brand: Extreme Networks • Part #: 10503 • UPC: 644728105038 • Category: Switch Modules

Frequently Asked Questions

What fiber types and distances does this module support?

This module supports multi-mode fiber (MMF) for extended range applications. It can transmit up to 200 meters over OM3 fiber and up to 300 meters over OM4 fiber.

What type of connector does this SFP28 module use?

The module utilizes an LC connector for fiber optic cable termination.

What is the primary use case for the 25Gb SFP28 ESR module?

This module is designed for extending 25 Gigabit Ethernet connectivity over multi-mode fiber, making it suitable for inter-building links, data center interconnects, or campus network uplinks where moderate distances are involved.

What transfer speed does this module provide?

The module provides transfer speeds of 25 Gigabit per second, adhering to the 25GBase-ESR standard.

10503 - Extreme Networks 25Gb SFP28 ESR Extended Range 200m OM3 / 300m OM4 MMF LC

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$1,482.94