HPE J9990A 20 Ports Expansion Module
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HPE J9990A 5400R 20-Ports 10/100/1000Base-T PoE+ 10GbE SFP+ Bulk

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Part Number#: J9990A
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Short Description:
J9990A 20-Ports 10/100/1000Base-T Power Over Ethernet Plus (PoE+) Network Switch with 4-port 1G/ Gigabit Ethernet (GbE or 10 GigE) Small Form-Factor Pluggable Plus (SFP+) Expansion Module | Made by HPE | New Bulk Pack
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
30 Days

Main Information of the Expansion Module

In the ever-evolving landscape of networking solutions, the HPE J9990A 5400R 20-Ports Expansion module emerges as a pivotal component designed to elevate network capabilities. Developed by Hewlett Packard Enterprise (HPE), this expansion module is a powerhouse, featuring 20 ports with Power over Ethernet Plus (PoE+) capabilities, 10/100/1000Base-T Ethernet speed, and 10 Gigabit Ethernet (10GbE) SFP+ connectivity. This comprehensive exploration aims to unveil the features, benefits, and transformative impact that the HPE J9990A expansion module can have on network infrastructures.

PoE+ Technology Unveiled

Power over Ethernet Plus (PoE+) is a groundbreaking technology that facilitates the simultaneous transmission of data and electrical 20-Ports power over a single Ethernet cable. Unlike traditional setups that require separate power and data cables, PoE+ streamlines installations and provides enhanced flexibility in device placement. PoE+ surpasses the capabilities of traditional PoE by delivering higher power levels and accommodating a broader range of devices, including power-hungry devices like IP cameras and wireless access points.

10/100/1000Base-T Ethernet Speed Explained

The term "10/100/1000Base-T" refers to the speed and type of Ethernet technology. In this context, it signifies support for Ethernet speeds of 10, 100, and 1000 megabits per second (Mbps) over twisted pair cables. This versatile speed compatibility allows the HPE J9990A module to seamlessly integrate with a variety of devices operating at different Ethernet speeds.

10GbE SFP+ Connectivity Explored

10 Gigabit Ethernet (10GbE) is a high-speed networking standard that delivers data at a rate of 10 billion bits per second. SFP+ (Small Form-Factor Pluggable Plus) is a compact and hot-pluggable transceiver used to support 10GbE connections. The inclusion of 10GbE SFP+ connectivity in the HPE J9990A expansion module ensures high-performance networking, particularly suitable for data-intensive applications and scenarios requiring swift data transfer.

Powerful Connectivity with 20 Ports

The standout feature of the HPE J9990A expansion module is its provision of 20 ports, each serving as a gateway to enhanced connectivity. This abundance of ports caters to diverse device requirements, making it an ideal solution for expansive office spaces, data centers, and environments demanding numerous connections.

Empowering Devices with PoE+

Each of the 20 ports on the HPE J9990A module is equipped with PoE+ capabilities. This transformative feature allows the module not only to transmit data but also to deliver electrical power to connected devices. Devices such as IP cameras, VoIP phones, and wireless access points can draw power directly from the Ethernet cable, eliminating the need for separate power sources.

Versatile Ethernet Speeds

The support for 10/100/1000Base-T Ethernet speeds adds a layer of versatility to the HPE J9990A module. This means that devices operating at 10, 100, or 1000 Mbps can seamlessly connect to the module, providing compatibility with a wide array of networked devices, regardless of their Ethernet speed requirements.

High-Performance 10GbE SFP+ Connectivity

The inclusion of 10GbE SFP+ connectivity ensures high-speed data transfer within the network. This feature is particularly beneficial for scenarios where rapid and efficient data communication is paramount, such as in data centers or environments with high-performance computing requirements.

Plug-In Modularity for Flexible Configurations

The HPE J9990A module's plug-in modularity offers a flexible approach to network design. Administrators can customize their network infrastructure by seamlessly inserting this module into compatible HPE networking equipment. This modular design simplifies upgrades, modifications, and expansions to meet evolving networking needs.

Intelligent Power Management for Efficiency

To optimize power distribution, the HPE J9990A module incorporates intelligent power management features. These features ensure efficient power allocation based on the specific requirements of connected devices. This not only enhances energy efficiency but also allows for the connection of a variety of PoE+-enabled devices without compromising performance.

Powerful Connectivity in Office Environments

The HPE J9990A expansion module proves invaluable in expansive office environments where connectivity is paramount. With 20 ports, each capable of providing both data and power through PoE+, the module supports a myriad of devices, from computers and printers to IP phones and security cameras. This seamless connectivity promotes productivity and efficient collaboration in the workplace.

Enhancing Security Systems with PoE+

For security systems relying on IP cameras, the HPE J9990A module offers a centralized and streamlined solution. Its PoE+ capabilities allow the module to not only facilitate high-speed data transfer but also power the cameras. This simplifies installation, reduces cable clutter, and enhances the overall efficiency of security applications.

Data Center Optimization

In data center environments where both connectivity and power are critical, the HPE J9990A module excels. Its 20 ports can accommodate a diverse array of devices, and the PoE+ capabilities simplify cable management, contributing to the overall efficiency of data center operations. The high-performance 10GbE SFP+ connectivity is particularly beneficial for interconnecting servers and storage systems in a data center.

Unprecedented Connectivity

With its provision of 20 ports, the HPE J9990A module significantly contributes to the connectivity of network infrastructure. As businesses evolve and more devices need to be connected, the module allows for seamless expansion without the need for extensive overhauls or modifications.

Streamlined Cable Management

The PoE+ capabilities of the HPE J9990A module revolutionize cable management. Devices that traditionally required separate power and data cables can now be powered through the Ethernet cable alone. This not only reduces cable clutter but also enhances the overall aesthetics of the networking environment.

Efficient Power Distribution

The incorporation of intelligent power management features ensures that the HPE J9990A module distributes power efficiently based on the needs of connected devices. This not only enhances energy efficiency but also prevents power wastage, contributing to a greener and more sustainable networking solution.

Flexibility in Network Design

The modular nature of the HPE J9990A module provides administrators with the flexibility to design and customize their network infrastructure. This adaptability is crucial in environments where networking needs may change over time, allowing for efficient upgrades and modifications.

General Information about the HPE J9990A

Technical Specifications

  • Device Type: Expansion Module
  • Form Factor: Plug-in Module


  • Ports: Gigabit Ethernet (PoE+) x 20 + Gigabit Ethernet/10 Gigabit SFP+ x 4
  • Connectivity Technology: Wired
  • Cabling Type: Ethernet 10Base-T, Ethernet 100Base-TX, Ethernet 1000Base-T
  • Data Link Protocol: 10Mb LAN, 100Mb LAN, GigE, 10 GigE
  • Data Transfer Rate: 10 Gbps
  • Features: PoE+, MACsec Support


  • Interfaces:20 x 1000Base-T (PoE+) - RJ-45
  • 4 x 1Gb Ethernet/10Gb Ethernet - SFP+

In short, the HPE J9990A 5400R 20-Ports 10/100/1000Base-T PoE+ 10GbE SFP+ Expansion module emerges as a transformative force in the realm of networking solutions. Its ability to provide both data connectivity and electrical power through a single Ethernet cable addresses the evolving needs of modern network infrastructures. As organizations navigate the complexities of connectivity demands, the HPE J9990A module stands as a reliable and flexible solution, contributing to the seamless operation of diverse networking environments.

Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
30 Days

About New Bulk Pack Products

New Bulk Pack products come with clamshell boxes and do not have any manufacturer warranty. Many times manufacturers disassemble whole units to use parts or pulled from a new system. Typically, this product doesn't come with software or instructions unless indicated and no Manufacturer’s genuine warranty. You can take note these are not brand new products.

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