# SFP transceiver HP Enterprise J4858D 1.25Gbps 850nm 300m

**URL:** https://aio.lv/en/product--hp-enterprise-spm-7100whpe-j4858d-oem--4389776
**Data updated:** 2025-12-29 17:18 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** HP Enterprise
**Manufacturer code:** SPM-7100WHPE (J4858D OEM)
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

SFP transceiver HP Enterprise J4858D provides 1.25 Gbps fiber connectivity using 850 nm wavelength for multimode links up to 300 m. Designed for use in compatible switches and routers, this small form-factor pluggable module enables short-range optical connections for network uplinks, server links and data center interconnects. Easy hot-swap installation and standard SFP interface ensure interoperability and quick deployment.

## Long description

SFP transceiver HP Enterprise J4858D provides 1.25 Gbps fiber connectivity using an 850 nm VCSEL for multimode links up to 300 m. The module uses an LC duplex connector and operates from a 3.3 V supply. It is compatible with HPE equipment and OEM-labeled as SPM-7100WHPE (J4858D), intended for short-range optical connections in switches, routers and servers.
Advantages
The HP Enterprise J4858D SFP transceiver offers standard SFP form factor compatibility for hot-swappable installation, ensuring easy replacement and fast deployment. It supports multimode fiber at 850 nm with reliable short-range performance up to 300 m and uses an LC duplex interface for common fiber patching. Low-voltage 3.3 V operation and HPE compatibility make it suitable for use in many enterprise networking environments.
Suitable for
Short-range multimode fiber uplinks (up to 300 m)
Server-to-switch and switch-to-switch connections in racks and data centers
Optical links in HPE-compatible switches and routers
Key specifications
Data rate: 1.25 Gbps (1000BASE-SX)
Wavelength: 850 nm (VCSEL)
Max reach: up to 300 m on multimode fiber
Connector: LC duplex
Supply voltage: 3.3 V
Form factor: SFP (small form-factor pluggable)
Compatibility: HPE compatible, OEM SPM-7100WHPE (J4858D)
How to use
Insert the SFP transceiver into a compatible SFP slot on a switch, router or transceiver cage while the device is powered on or off, as the module supports hot-swapping. Connect LC duplex multimode fiber patch cords to the transceiver ports, ensuring correct transmit/receive orientation. Verify link status on the host device and configure interface settings as required by the network equipment.
Usage recommendations
Use multimode fiber (OM1/OM2/OM3/OM4 as appropriate) and quality LC duplex patch cords. For reliable performance keep fiber runs within the specified 300 m range and follow ESD precautions when handling the module. Confirm firmware/compatibility notes for HPE devices if required.

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### What is the warranty period?

All HP Enterprise products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized HP Enterprise service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

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