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  • J4859C HP Compatible SFP Transceiver


Your Price:
$39.00 (You save $35.10)
0.10 LBS
In stock

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3 year warranty on transceivers and other products Free shipping on fiber optic components 30 day guarantee on optical transceivers

Product Description

FluxLight's J4859C is an HP® compatible 1000Base SFP Optical Transceiver and is factory preprogrammed with all the necessary configuration data for seamless network integration. Our transceivers perform identically to HP® original transceivers and are 100% compatible with other OEM and third party transceivers. The J4859C is 100% MSA (Multi-Source Agreement) compliant. All FluxLight's transceivers are tested for 100% functionality and guaranteed compatible for outstanding network performance.

The HP® J4859C SFP Transceiver offers full-duplex 1000Base rate speeds up to 10km over singlemode fiber.

FuxLight's J4859C is designed specifically for use with HP® networking equipment and has been engineered to meet or exceed all OEM specifications, while maintaining full MSA compliance. Each J4859C transceiver is fully tested prior to shipping to ensure that it is 100% compatible and operational.

Product Features:

  • Speeds of up to 1.25Gb/S
  • Hot-Pluggable
  • Duplex LC Connector
  • Distances up to 10km on Singlemode Fiber
  • IEEE802.3Z Compliant
  • Laser Class1 Compliant
  • IEC60825-1 Compliant
  • ROHS Compliant


  • Gigabit Ethernet
  • 1x Fiber Channel
  • Switch-to-Switch Interfaces
  • Switched Backplane Applications
  • Router/Server Interfaces
  • Other Optical Transmission Systems

FluxLight offers all brands and form factors of Optical Transceivers for all your networking needs. Now you have a reliable, compatible and affordable means to expand your network while maintaining its integrity.


Mfg. Compatibility: HP®
Part Number: J4859C
Form Factor: SFP
TX Wavelength: 1310nm
Reach: 10km
Cable Type: singlemode fiber
Rate Category: 1000Base
Interface Type: LX
Digital Optical Mon. (DOM): No
Connector Type: Dual-LC


Full downloadable spec sheet:  J4859C

Warranty Information

Like all FluxLight products, this product this backed by a 3-year non-prorated warranty, free email/phone technical support and advanced replacement (with RMA) and guaranteed emergency spares.

Write your own product review

  1. arrive ontime and good quality 4 Star Review

    Posted by on 03/17/2015

    arrive ontime and good quality

  2. This is all we buy now! 5 Star Review

    Posted by on 12/29/2014

    We are justin the J4859C in our HP Procurve switches. It works just as well as any of the HP Branded SFP's, and costs a fraction of the price.

    And they are always in stock, and ship on time!