HP

HP J9548A 20-Port Gigabit Ethernet SFP+ Expansion Module

Boost your network infrastructure with 20 Gigabit Ethernet ports and dual SFP+ slots in a single expansion module.

$88.99*
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The HP J9548A 20-Port Gigabit Ethernet SFP+ Expansion Module is designed for enterprises and organizations looking to increase port density within their existing HP network infrastructure. By adding 20 1000Base-T LAN ports through standard twisted pair cabling, this module allows network administrators to connect additional devices, workstations, or access points without deploying entirely new switches. The two SFP+ expansion slots provide further flexibility, enabling fiber or high-speed copper uplinks depending on the transceivers installed.

This module is particularly useful in environments where rack space is at a premium and consolidating port capacity into fewer chassis units is a priority. The 1 Gbps maximum data transfer rate across its ports handles typical enterprise traffic including file sharing, VoIP, and standard internet access. However, organizations with 10GbE requirements at the access layer will want to evaluate whether this module meets their throughput needs. As with all expansion modules, verifying compatibility with your specific HP switch or chassis model is essential before purchase.

Key Features

Manufacturer- HP

HP Part Number- J9548A

Product Type- Modules

Product Type Expansion Module

Expansion Slots 2 x SFP+

Interface Type 1000Base-T

Specifications

Brand
HP
Model
J9548A
LAN Ports
20 x 1000Base-T
SFP+ Slots
2
Interface Type
1000Base-T
Media Type
Twisted Pair
Maximum Data Transfer Rate
1 Gbps
Expansion Slots
2

Pros & Cons

👍 Pros

  • Adds 20 Gigabit Ethernet ports in a single module, significantly expanding network capacity
  • Includes 2 SFP+ slots for flexible uplink or fiber connectivity options
  • Uses standard twisted pair cabling, keeping infrastructure costs manageable
  • Well-suited for enterprise environments that need to scale port density without replacing core hardware

👎 Cons

  • Requires a compatible HP chassis or switch, limiting use to existing HP networking environments
  • Maximum per-port speed is 1 Gbps, which may be insufficient for bandwidth-heavy modern workloads
  • SFP+ transceivers are sold separately, adding to the total cost
  • As an older-generation module, finding compatible replacement hardware may become more difficult over time

Frequently Asked Questions

It provides 20 1000Base-T Gigabit Ethernet LAN ports plus 2 SFP+ expansion slots for fiber or high-speed copper connections.
The module supports a maximum data transfer rate of 1 Gbps per port across its 20 1000Base-T ports.
The module uses twisted pair cabling for its 1000Base-T ports, which is standard Cat5e/Cat6 Ethernet cabling.
This is an expansion module, not a standalone device. It requires a compatible HP networking chassis or switch that accepts expansion modules of this form factor.