HPE J9836A 48 Ports Switch
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HPE J9836A 2920 48 Ports Ethernet Switch 48GBPS 740 W RJ-45 Refurbished

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Part Number#: J9836A
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Short Description:
J9836A HPE 2920 48 Gigabytes Per Second (GBPS) Power Over Ethernet Plus (PoE+) 740Watt Gigabit Ethernet Layer 3 Rack Mountable 48 Ports Networking Managed Switch | Made by HPE | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Overview of the HPE J9836A 48 Ports Managed Switch

In the dynamic realm of networking solutions, the HPE J9836A stands out as a formidable player, offering an impressive combination of speed, power, and manageability. This comprehensive review delves into the intricacies of the HPE 2920, a 48 Gigabytes Per Second (GBPS) Power Over Ethernet Plus (PoE+) 740Watt Gigabit Ethernet Layer 3 Rack Mountable 48 Ports Networking Managed Switch, shedding light on its features, capabilities, and the impact it can have on network performance.

Unleashing Speed 48 Gigabytes Per Second

At the heart of the HPE J9836A lies its ability to deliver a staggering 48 Gigabytes Per Second (GBPS) of data transfer speed. This colossal bandwidth ensures that the switch can handle large volumes of data traffic efficiently, making it an ideal choice for organizations with demanding network requirements.

48 Ports Scaling Connectivity for Diverse Network Configurations

Connectivity is the lifeblood of any network, and the HPE 2920 excels with its 48 ports. These ports provide ample opportunities for connecting a variety of devices, including computers, servers, printers, and other networking equipment. The versatility offered by the extensive port count makes the switch suitable for both small-scale setups and large enterprise environments.

Power Over Ethernet Plus A Game-Changer in Connectivity

One standout feature of the HPE J9836A is its Power Over Ethernet Plus (PoE+) capability. PoE+ enables the switch to not only transmit data but also deliver power to connected devices over the Ethernet cable. This feature eliminates the need for additional power sources, simplifying cable management and providing flexibility in device placement.

Robust Power Supply 740Watt Capacity

Power is a critical aspect of any networking infrastructure, and the HPE 2920 doesn't disappoint in this regard. Equipped with a robust 740-watt power supply, this switch ensures a stable and reliable power source for connected devices, even in high-demand scenarios. The ample power capacity also caters to the needs of PoE+ devices, further enhancing the switch's versatility.

Gigabit Ethernet Fueling High-Speed Connectivity

The Gigabit Ethernet capability of the HPE J9836A plays a pivotal role in delivering high-speed connectivity. With data transfer rates of up to 1000 megabits per second (Mbps), Gigabit Ethernet ensures swift and seamless communication between devices on the network. This is especially crucial in environments where speed is of the essence, such as data centers, large enterprises, or high-traffic networks.

Layer 3 Intelligence Navigating the Network Landscape

One of the distinguishing features of the HPE 2920 is its Layer 3 capability. Operating at the network layer of the OSI model, Layer 3 switches have the intelligence to make routing decisions. This allows for more efficient traffic management, improved network segmentation, and enhanced control over data flow. The Layer 3 functionality of the HPE J9836A positions it as a strategic component in building scalable and resilient networks.

Rack Mountable Design Optimizing Space and Accessibility

In today's space-conscious IT environments, the importance of efficient rack utilization cannot be overstated. The HPE J9836A is designed with rack mountability in mind, allowing for easy integration into standard network racks. This space-saving design not only optimizes the physical footprint but also enhances accessibility for maintenance and expansion purposes.

Networking Management Empowering Administrators with Control

A managed switch is only as good as its management capabilities, and the HPE J9836A doesn't disappoint in this aspect. With comprehensive networking management features, administrators have the tools they need to configure, monitor, and optimize the switch's performance. This includes Quality of Service (QoS) settings, VLAN configuration, and security protocols, ensuring that the network operates at peak efficiency while maintaining a high level of security.

Reliability and Redundancy Ensuring Uninterrupted Operation

Network downtime is a concern for any organization, and the HPE 2920 addresses this by incorporating reliability and redundancy features. Redundant power supply options, link aggregation, and spanning tree protocols contribute to the switch's ability to maintain continuous operation even in the face of hardware failures or network issues. This commitment to reliability underscores the HPE J9836A's suitability for mission-critical applications.

Key Features of HPE J9836A of the HPE Switch

Now that we have a foundational understanding, let's explore the specific features that set the HPE J9836A apart in the realm of networking switches.

Gigabit Speeds for Enhanced Performance

The HPE J9836A operates at Gigabit Ethernet speeds, ensuring that data flows seamlessly through the network at a rate of 1 gigabit per second. This high-speed connectivity is essential for applications that demand quick data transfers, such as video conferencing, large file transfers, and online collaboration tools.

Robust Power Over Ethernet Plus Support

With 740Watt PoE+ support, the HPE J9836A provides power to connected devices over the same Ethernet cable used for data transmission. This feature eliminates the need for additional power sources, simplifying installation and reducing cable clutter. Devices such as IP cameras, VoIP phones, and wireless access points can draw power directly from the switch, enhancing flexibility in network deployment.

Layer 3 Routing for Intelligent Network Management

The Layer 3 capabilities of the HPE J9836A make it a versatile solution for managing complex networks. By operating at the network layer, the switch can make routing decisions based on IP addresses, enabling more intelligent and efficient data forwarding. This feature is particularly beneficial in scenarios where subnets and VLANs (Virtual Local Area Networks) need to be managed for enhanced network segmentation and security.

Rack Mountable Design for Space Efficiency

The rack-mountable design of the HPE J9836A allows for efficient use of space in networking environments. By occupying a standard rack, the switch can be easily integrated into existing network infrastructure, optimizing the physical layout of networking equipment. This design choice is especially advantageous in data centers and server rooms where space is at a premium.

Benefits of the HPE J9836A RJ-45 Managed Switch

Now that we've explored the key features of the HPE J9836A, let's delve into the specific benefits that this managed switch brings to the table.

Scalability and Flexibility

The 48 ports on the HPE J9836A provide scalability for growing networks. Businesses can easily expand their infrastructure by adding more devices without compromising on performance. This scalability ensures that the switch can adapt to the changing needs of the organization.

Cost-Efficient Power Management

The PoE+ capability of the switch not only simplifies cable management but also contributes to cost efficiency. By delivering power and data over a single Ethernet cable, businesses can reduce the need for additional power sources, leading to potential cost savings in both installation and operation.

Enhanced Network Performance

The Gigabit Ethernet connectivity and high throughput of 48 GBPS contribute to improved network performance. This is particularly crucial for bandwidth-intensive applications, such as video conferencing, large file transfers, and multimedia streaming. The switch ensures a reliable and responsive network, enhancing the overall user experience.

Streamlined Data Routing

The Layer 3 routing capabilities of the HPE J9836A empower businesses with greater control over data traffic. Efficient data routing is essential for optimizing network resources and ensuring that data reaches its destination in the most effective manner. This capability is especially valuable in complex network architectures.

Space Optimization with Rack Mountable Design

The rack-mountable design of the switch is a practical solution for organizations looking to optimize their physical space. In data centers where space is a premium, the HPE J9836A can be seamlessly integrated into existing server racks, promoting a neat and organized networking infrastructure.
Reliable and Managed Networking:

As a managed switch, the HPE J9836A provides administrators with the tools and features needed to monitor and control the network effectively. This includes features such as Quality of Service (QoS) settings, VLAN support, and security protocols, ensuring a reliable and secure networking environment.

General Information about the HPE J9836A 48 Port Switch
  • Manufacturer: HPE
  • Part Number or SKU# J9836A
  • Product Type: Managed Switch
Technical information of the HPE 740 Watt Switch
  • Switch -Type: 48 Port
  • Enclosure Type: Rack-Mountable - 1u
  • Ports: 44 X 10/100/1000 (Poe+) + 4 X Combo Gigabit SFP
  • Power Over Ethernet (Poe): Poe+
  • Poe Budget: 740 W
  • Performance: Throughput: 130.9 Mpps, Switching Capacity: 176 Gbps
  • Capacity: Ipv4 Routing Table Entries: 2048, Ipv6 Routing Table Entries: 256
  • Mac Address Table Size: 16000 Entries
  • Jumbo Frame Support: 9220
  • Routing Protocol : Rip, Rip-2, Static Ip Routing, Mld
  • Remote Management Protocol: SNMP 1, Rmon 1, Rmon 2, Rmon 3, Rmon 9, Telnet, SNMP 3, SNMP 2c, Http, Https, Tftp, Smon, Ssh, Ssh-2, Cli
  • Encryption Algorithm: Ssl, Tls
  • Authentication Method: Radius, Pap, Chap, Tacacs, Tacacs+, Secure Shell V.2 (Ssh2), Extensible Authentication Protocol (EAP)
  • Processor : 1 X Arm Arm1176 : 625 Mhz
  • Ram: 512 Mb - Sdram
  • Flash Memory: 1 Gb
Expansions And Connectivity
  • Interfaces: 48 X 1000base-T - Rj-45 - Poe+, 4 X - Sfp, 1 X Management - Rj-45, 1 X Management (Micro-USB) - Type B, 1 X USB
  • Expansion Slots: 2 (Total) / 2 (Free) X Expansion Slot, 1 (Total) / 1 (Free) X Stacking Module Slot


  • Power Device: Internal Power Supply - Hot-Plug
  • Power Provided: 1050 Watt
  • Voltage Required: Ac 120/230 V ( 50/60 Hz )
  • Power Consumption Operational: 487 Watt

Outline, the HPE J9836A is a powerhouse in the realm of networking switches, offering a compelling combination of speed, power, and manageability. From its impressive 48 Gigabytes Per Second (GBPS) data transfer speed to the convenience of Power Over Ethernet Plus (PoE+), this switch is designed to meet the diverse needs of modern network environments.

With a robust 740-watt power supply, Gigabit Ethernet capabilities, Layer 3 intelligence, and a rack-mountable design, the HPE 2920 demonstrates a commitment to performance, scalability, and space efficiency. The 48 ports ensure connectivity for a multitude of devices, while comprehensive networking management features empower administrators to tailor the switch's behavior to the unique requirements of their network.

In the ever-evolving landscape of networking technology, the HPE J9836A stands out as a reliable and versatile solution, capable of supporting the demands of today's interconnected world. Whether deployed in small to medium-sized businesses or large enterprise environments, this managed switch is poised to make a substantial impact on network performance and reliability.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

Here, you can check more available conditions of your desired product J9836A at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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