HPE1990-4415

HPE1990-4415 X121 1 Gb SFP LC SX Transceiver module

The HPE1990-4415 X121 is a 1 Gb SFP LC SX Transceiver module engineered for high-performance multimode fibre connectivity. It supports 1000BASE-SX operation up to 550 m (OM2) and 275 m (OM1), making it ideal for enterprise LANs, campus networks, or server-to-switch connections. Designed for compatibility with HPEand Arubaswitches and servers, this transceiver is suited for IT teams looking to deploy a robust, OEM-certified optic. With support for digital optical monitoring (DOM), it provides real-time feedback on transmit/receive power and temperature. Its compact SFP form factor simplifies deployment and maintenance, delivering efficiency in fiber-based network environments.

Features

This module delivers dependable 1 Gb Ethernet communication over multimode fibre, utilizing the 850 nm wavelength and LC duplex connector. Compatible with standard HPE/Arubanetworking gear, it ensures fast and stable performance up to 550 m on OM2 fibre or 275 m on OM1 multimode fibre With built-in DOM support, administrators gain visibility into link health metrics×such as optical power levels and temperature×for proactive maintenance. Plug-and-play ready, the module integrates seamlessly into SFP slots without requiring configuration changes. Ideal for network aggregation, uplink, or inter-switch links in data center, building backbone, or office campus setups. Its compact SFP size ensures low power dissipation and easy hot-swapping. The module meets standard Gigabit Ethernet protocols, maintaining compatibility across various fiber-optic infrastructures and reducing network complexity. Perfect for applications where cost-effective, short-reach fiber connectivity is essential, it supports both legacy legacy OM1/OM2 fibre runs and newer installations.

Advanced Options

Designed for reliable Gigabit fiber links, this transceiver employs precise optical components to ensure consistent performance in various environments×from server racks to campus pathways. Its DOM capability offers critical diagnostics in real-time, enabling IT teams to monitor power levels, temperature, and faults before they impact operations. The LC connector and compact SFP footprint support efficient hot-swapping and scalable deployment across dense networking or server blade setups without needing system downtime.

Product Key Features

• • 1 Gb/s (1000BASE-SX) multimode fibre transceiver

  • LC duplex connector format

  • Supports up to 550 m on OM2, 275 m on OM1

  • SFP hot-pluggable form factor

  • Digital Optical Monitoring (DOM) support

  • OEM-certified for HPE/Arubaplatforms

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Reliability & Performance

Its optical range is optimized for typical multimode installations: 550 m with OM2 fiber and 275 m with OM1 fiber, providing solid reach options without excessive cost . Compliance with Gigabit Ethernet standards ensures broad interoperability; this module is officially supported on HPEAruba2530, 2920, 2930F, 3810M switch series, among others The rugged OEM-certified build ensures stable optical alignment, low power use, and long-term deployment viability×particularly useful in environments demanding dependable fiber connectivity and minimal maintenance.

Key Features :

• • 1 Gb/s SX fiber support

  • LC duplex connector

  • Up to 550 m (OM2), 275 m (OM1) reach

  • SFP hot-swappable module

  • Digital Optical Monitoring enabled

  • OEM-certified for HPE/Arubadevices

Specification	Details
Model Number	1990-4415 (J4858C)
Module Type	1 Gb SFP LC SX Transceiver module
Connector	LC Duplex
Fiber Type	Multimode Fibre (MMF)
Wavelength	850 nm
Maximum Distance	550 m (OM2), 275 m (OM1)
DOM Support	Yes
Data Rate	1 Gb/s
Form Factor	SFP
Compatible Platforms	HPE/Arubaswitches (2530, 2920, 2930F, 3810M)
Power Consumption	Low (~1 W typical)
Dimensions	~5.7 × 1.4 × 1.2 cm
Weight	~0.1 lb (~45 g)