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

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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 | Brand New 3 Years Warranty
Brand Warranty:
3 Years Warranty
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

Details Information about the HPE J9990A

In the ever-evolving landscape of networking solutions, the HPE J9990A 5400R 20-Ports 10/100/1000Base-T PoE+ 10GbE SFP+ Expansion module emerges as a pivotal element in the Hewlett Packard Enterprise (HPE) portfolio. This expansion module is designed to enhance connectivity, providing 20 ports with Power over Ethernet Plus (PoE+) capabilities and high-speed 10 Gigabit Ethernet (10GbE) connectivity through Small Form-Factor Pluggable Plus (SFP+) interfaces. In this detailed exploration, we will unravel the features, benefits, and transformative impact the HPE J9990A can have on network infrastructures.

10/100/1000Base-T Technology Demystified

The term "10/100/1000Base-T" refers to the data transfer speed of the Ethernet standard over twisted pair cables. The numbers signify the maximum data transfer rates: 10 megabits per second (Mbps), 100 Mbps, and 1000 Mbps (1 gigabit per second or 1 Gbps). This tri-speed capability ensures versatility, allowing the module to support devices with varying speed requirements.

Power over Ethernet Plus (PoE+) Functionality

Power over Ethernet Plus (PoE+) is a technology that enables the simultaneous transmission of data and electrical power over Ethernet cables. PoE+ goes beyond its predecessor, PoE, by delivering higher power levels. This capability is particularly valuable for devices such as IP cameras, VoIP phones, and wireless access points, eliminating the need for separate power sources.

10 Gigabit Ethernet (10GbE) through SFP+ Interfaces

The 10 Gigabit Ethernet standard represents a significant leap in data transfer speed, providing 10 times the bandwidth of Gigabit Ethernet. SFP+ interfaces are small, hot-pluggable transceivers that support 10GbE connectivity. This combination of 10GbE and SFP+ interfaces ensures high-speed data transfer for demanding applications and scenarios.

Expansion Module Architecture

An expansion module, like the HPE J9990A, is designed to extend the capabilities of a host device, typically a network switch or router. In this case, the module provides additional ports and features to enhance connectivity. The modular architecture facilitates scalability, allowing organizations to expand their network infrastructure as demand grows.

Key Features of the HPE J9990A Module

The standout feature of the HPE J9990A module is its provision of 20 ports. These ports support 10/100/1000Base-T technology, catering to a diverse range of devices with varying speed requirements. The abundance of ports makes it suitable for environments where numerous connections are needed, such as large office spaces or data centers.

Empowering Devices with PoE+ Capability

Each of the 20 ports on the HPE J9990A module is equipped with PoE+ capabilities. This means that, in addition to transmitting data, the module can supply electrical power to connected devices through the Ethernet cable. PoE+ support is a game-changer, simplifying installations and providing a single-cable solution for both data and power needs.

High-Speed Networking at 10GbE

The inclusion of 10GbE through SFP+ interfaces ensures that the HPE J9990A module delivers high-speed networking capabilities. This is particularly beneficial in scenarios where rapid data transfer is critical, such as in data centers or environments hosting bandwidth-intensive applications.

Flexibility in Module Installation

The modular design of the HPE J9990A module allows for flexibility in installation. Administrators can seamlessly integrate the module into compatible HPE networking equipment, expanding the capacity and capabilities of their existing infrastructure. This modularity simplifies upgrades and modifications, ensuring that the network can adapt to changing requirements.

Intelligent Power Allocation with PoE+

To optimize power distribution, the HPE J9990A module incorporates intelligent power management features. This ensures that the power delivered to connected devices is allocated efficiently based on their specific requirements. Intelligent power allocation not only enhances energy efficiency but also prevents power wastage.

Powering Network Devices in Office Environments

In office environments where a multitude of devices needs to be connected, the HPE J9990A module proves invaluable. The combination of 20 ports with PoE+ capabilities allows for the seamless connection of devices such as computers, printers, IP phones, and security cameras. This not only simplifies installations but also ensures a consistent and reliable power source for various office equipment.

Enhancing Surveillance Systems

For surveillance systems relying on IP cameras, the HPE J9990A module offers a centralized solution. The PoE+ capabilities of the module eliminate the need for separate power sources for each camera. This simplifies cable management, reduces installation complexity, and ensures continuous power supply for reliable surveillance operations.

Supporting Wireless Networks

Deploying wireless access points becomes more efficient with the HPE J9990A module. Its 10GbE capability ensures high-speed connectivity, while PoE+ support enables the power delivery required for wireless access points. This is particularly advantageous in environments where wireless networking is a primary means of connectivity.

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 variety of devices, and the 10GbE capability facilitates swift data transfer within the data center infrastructure. The module's PoE+ support contributes to efficient cable management and power distribution.

Scalability for Growing Networks

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

Simplified Cable Management with PoE+

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.

Main 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+

Finally, the HPE J9990A 5400R 20-Ports 10/100/1000Base-T PoE+ 10GbE SFP+ Expansion module stands 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 strive for enhanced connectivity, scalability, and efficiency in their networking environments, the HPE J9990A module proves to be a reliable and flexible solution, contributing to the seamless operation of diverse networking scenarios.

Brand Warranty:
3 Years Warranty
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

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