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HP X121 1G Mini SFP LC-LX Transceiver, J4859C, Refurbished, Original

Model: J4859C
HP X121 1G  Mini SFP LC-LX Transceiver, J4859C, Refurbished, Original
CK Certified Refurbished
HP $109.99
Ships In 6 - 7 Business Days

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Same Day Shipping till 6pm
Quick Specs
Cable TypeSMF / MMFCompatibilityHP
Connector TypeLCTransceiver TypeSFP
SpeedGigabitDisplay ConditionRefurbished
InterfaceLC DuplexWavelength1310nm
Data Transfer Rate1GbpsRate Category1000Base-LX
Hot SwappableYesReach550m

HPE Original | X121 | 1000Base-LX | 1G | SFP | 1310nm | Refurbished | J4859C

The HPE J4859C is a 1 Gigabit SFP transceiver module that provides 1000Base-LX connectivity using either singlemode fiber (SMF) or multi-mode fiber (MMF). This transceiver module feautres duplex LC connectors and operates on an 1310nm wavelength. This module is also hot-swappable so it can be switched out with ease.

This module supports a link length of up to 10km over single-mode fiber (SMF) or 550 meters over multi-mode fiber (MMF).


  • SFP form factor with 1Gb of Ethernet transmission speed
  • Low power consumption
  • Duplex LC connector
  • Highly compatible with wide range of HPE products
  • 550m transmission using MMF
  • 10km transmission using SMF


What is an SFP? And why you need one.
What Is An SFP?

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