HP J9729A#ABA Managed Switch
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J9729A#ABA HPE Aruba 48GBE Switch Procurve 2920AL SDRAM PoE+ Bulk

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Part Number#: J9729A#ABA
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Short Description:
J9729A#ABA HPE Aruba 48GBE Switch Procurve 2920AL Synchronous Dynamic Random Access Memory (SDRAM) Power Over Ethernet (PoE+) Lear 3 RJ-45 Ethernet Stackable Rack Mountable | Made by HPE | New Bulk Pack
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

Product Overview of the HPE J9729A#ABA Managed Switch

In the ever-evolving landscape of networking equipment, the HPE J9729A#ABA HPE Aruba 48GBE Switch Procurve 2920AL stands out as a powerful and versatile solution. This review will provide a detailed analysis of its key features, focusing on its Synchronous Dynamic Random Access Memory (SDRAM), Power Over Ethernet (PoE+), and its stackable and rack-mountable design. Whether you are a seasoned IT professional or a business owner looking to upgrade your network infrastructure, this review aims to offer insights that will aid in making an informed decision.

Understanding the HPE J9729A#ABA Aruba 48GBE Switch

The HPE J9729A#ABA is part of the Aruba Procurve 2920AL series, designed by Hewlett Packard Enterprise (HPE). As a managed switch, it provides advanced networking capabilities suitable for both small and medium-sized businesses. Let's delve into its key specifications:

Port Configuration and Performance

The switch boasts 48 Gigabit Ethernet (GBE) ports, offering high-speed connectivity for data transfer within the network. This extensive port configuration makes it suitable for environments with a high demand for network bandwidth. Additionally, the switch supports advanced features such as Quality of Service (QoS) to prioritize traffic and ensure optimal performance for critical applications.

Synchronous Dynamic Random Access Memory

One notable feature of the HPE J9729A#ABA is its integration of Synchronous Dynamic Random Access Memory (SDRAM). SDRAM is a type of volatile memory that operates synchronously with the system clock, providing faster data access speeds compared to traditional asynchronous memory. This enhances the overall performance of the switch, contributing to efficient data handling and lower latency.

Power Over Ethernet

Power Over Ethernet (PoE+) is a technology that allows network devices to receive both data and electrical power over the same Ethernet cable. This eliminates the need for separate power sources, simplifying the deployment of devices such as IP cameras, VoIP phones, and wireless access points. The inclusion of PoE+ in the HPE J9729A#ABA adds a layer of convenience and flexibility to network setups.

PoE+ Standards and Compatibility

The HPE J9729A#ABA adheres to the PoE+ standard (802.3at), providing a maximum power output of 30 watts per port. This standard ensures compatibility with a wide range of PoE-enabled devices, offering a versatile solution for businesses with diverse networking needs. The ability to power devices directly from the switch enhances deployment options and simplifies cable management.

Power Budget and Scalability

An essential consideration in PoE+ switches is the available power budget, which determines the number and type of devices that can be powered simultaneously. The HPE J9729A#ABA is equipped with a substantial power budget, allowing businesses to scale their network infrastructure without compromising on power distribution. This scalability is crucial for accommodating the growing demands of modern digital workplaces.

Layer 3 Routing Capabilities

The Procurve 2920AL series, including the J9729A#ABA model, supports Layer 3 routing capabilities. Layer 3 routing involves the forwarding of data between different subnets based on IP addresses. This feature is particularly valuable for segmenting networks, optimizing traffic flow, and enhancing overall network performance.

Dynamic Routing Protocols

The switch supports dynamic routing protocols such as OSPF (Open Shortest Path First) and RIP (Routing Information Protocol), enabling efficient communication between different network segments. Dynamic routing protocols facilitate automatic updates of routing tables, adapting to changes in the network topology. This results in improved network responsiveness and reliability.

VLAN Support

Virtual LANs (VLANs) are a fundamental component of modern network design, providing segmentation for better security and performance isolation. The HPE J9729A#ABA allows the creation and management of VLANs, enabling organizations to tailor their network architecture to suit their specific requirements. This capability is particularly beneficial in scenarios where different departments or projects require isolated network environments.

RJ-45 Ethernet Connectivity

The HPE J9729A#ABA is equipped with three RJ-45 Ethernet ports, providing additional connectivity options beyond the standard Gigabit Ethernet ports. These ports can be utilized for various purposes, including connecting to management interfaces, uplinking to other switches, or facilitating connections to network-attached storage (NAS) devices.

Management Interface

The presence of RJ-45 Ethernet ports for management interfaces enhances the switch's accessibility for configuration and monitoring purposes. IT administrators can utilize these ports to establish a direct connection to the switch, simplifying the initial setup and ongoing management tasks. This direct access is especially valuable in scenarios where remote management may not be feasible or secure.

Uplink and Stacking

The RJ-45 Ethernet ports can be used for uplinking to other switches or network devices, facilitating the expansion of the network infrastructure. Additionally, these ports support stacking capabilities, allowing multiple switches to operate as a single, unified system. Stacking enhances scalability, simplifies management, and improves overall network resilience.

Stackable and Rack-Mountable Design

The physical design of the HPE J9729A#ABA is noteworthy, featuring a stackable and rack-mountable form factor. This design enhances the switch's versatility, making it suitable for deployment in various environments, from data centers to office settings.

Stackable Configuration

Stacking multiple switches enables them to function as a single logical unit, simplifying management and configuration tasks. The HPE J9729A#ABA supports stacking through dedicated stacking ports, allowing for easy expansion of the network infrastructure. This modular approach to network design enhances scalability and streamlines maintenance processes.

Rack-Mountable Convenience

The rack-mountable design of the switch is a practical feature for organizations with limited space. By occupying standard rack units, the switch can be neatly integrated into existing rack systems, optimizing space utilization in data centers or server rooms. This design choice also contributes to better cable management and overall aesthetics.

General Information about the HPE 48 Ports Switch

  • Manufacturer: HPE
  • Part Number or SKU# J9729A#ABA
  • Product Type: Managed Switch
  • Switch-Type: 48 Ports Switch

Technical Information of the HPE Lear 3 Switch

  • Enclosure Type: Desktop
  • Ports: 48 X 10/100/1000 + 4 X Shard Gigabit SFP
  • Power Over Ethernet (POE): POE+
  • Routing Protocol: RIP, Static IP Routing
  • Interfaces: 48 X 10BASE-T/100BASE-TX/1000BASE-T - RJ-45 - POE+ 4 X SFP (Mini-GBIC)
  • Management: 1 X RS-232 - RJ-45
  • Management: 1 X 5 PIN MICRO-USB TYPE B

Management Protocol

  • Remote Management Protocol: SNMP 1, RMON 1, TELNET, SNMP 3, SNMP 2C, TFTP, CLI
  • Authentication Method: Radius


  • Processor: 1 X ARM : 625 MHZ
  • RAM: 512 MB - SDRAM
  • Flash Memory: 1 GB


  • Features: DOS Attack Prevention, IPV6 Support, Half Duplex Mode, Full Duplex Mode, Class of Service (COS)

Compliant Standards

  • Compliant Standards: IEEE 802.3, IEEE 802.3U, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3AB, IEEE 802.1P, IEEE 802.3AF, IEEE 802.3X, IEEE 802.3AD (LACP), IEEE 802.1W, IEEE 802.1S, IEEE 802.1V, IEEE 802.3AT, IEEE 802.3AZ, IEEE 802.1AX
  • Expansion Slot(s): 2 (Total) / 2 (Free) X Expansion Slot
  • 1 (Total) / 1 (Free) X Stacking Module Slot
  • Throughput: 130.9 Mbps
  • Switching Capacity: 176 Gbps
Environmental Parameters
  • Min Operating Temperature: 32 °F
  • Max Operating Temperature: 131 °F
  • Humidity Range Operating: 15 - 95% (non-condensing)
  • Min Storage Temperature (POE): -40 °F
  • Max Storage Temperature: 158 °F
  • Humidity Range Storage: 15 - 95% (non-condensing)v2 zl2, 5406R-8XGT/8SFP+ v2 zl2

Outline, the HPE J9729A#ABA Aruba ProCurve 2920AL 48G Power Over Ethernet Plus (PoE+) Gigabit 48 Ports Ethernet Stackable Rack Mountable Layer3 Managed Switch stands out as a comprehensive networking solution. Its PoE+ capabilities simplify device deployment, while gigabit connectivity ensures high-speed data transfer. The stackable and rack-mountable design enhances deployment flexibility, and the Layer3 managed switch functionality adds a layer of intelligence to network routing. Whether in a small business, enterprise, or data center setting, this switch addresses the modern demands of networking infrastructure with a feature-rich and adaptable design.

Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 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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