HPE J9728A#ABA 48 Port L3 Managed Switch 176 GBPS 2920-48G Refurbished

In today's fast-paced digital world, having a reliable and high-performance network infrastructure is crucial for businesses of all sizes. Networking equipment like switches plays a pivotal role in ensuring seamless communication and data transfer within an organization. One such powerful switch is the HPE J9728A#ABA, which offers 48 ports, L3 management capabilities, and impressive data transfer speeds of 176 Gigabits. In this detailed review, we will delve into the features and specifications of the HPE J9728A#ABA switch, providing you with an in-depth understanding of its capabilities and how it can benefit your network infrastructure. The HPE J9728A#ABA is a 48-port switch that falls under the category of L3-managed switches. Its full name, HPE J9728A#ABA, provides vital information about its make and model. Let's break down this name to better understand what this switch is all about.

HPE stands for Hewlett Packard Enterprise, a renowned company known for its high-quality networking and IT solutions. The inclusion of the HPE brand in the product name ensures that you are getting a product from a trusted and reputable manufacturer. The switch is equipped with 48 ports, which means it can accommodate connections from up to 48 devices simultaneously. This is a significant advantage for businesses with a large number of users or devices that need to be connected to the network.

The alphanumeric code "J9728A#ABA" is the product identifier for this switch. It uniquely identifies this specific model, making it easier for customers and vendors to locate and purchase the right product.

The term "L3" refers to Layer 3, which is one of the seven layers in the OSI model of networking. Layer 3 is responsible for routing and forwarding data between different networks. A "managed switch" implies that the device can be controlled and configured by network administrators to optimize performance and security.

The data transfer speed of 176 GBPS is one of the standout features of this switch. This remarkable speed ensures that data can flow smoothly and quickly through the network, reducing latency and improving overall network performance.

The "Small Form Factor" (SFF) design of the switch makes it compact and space-efficient, which is essential for businesses with limited rack space. The "SFF+" likely signifies that this switch supports enhanced SFF modules for additional functionality and connectivity options.

The 625 MHz refers to the processing power of the switch's CPU (Central Processing Unit). A higher CPU speed generally means that the switch can handle more data and network traffic efficiently.

The "2920-48G" is likely a model or series number that categorizes this switch within HPE's product lineup. It could also provide information about the switch's specific configuration or features.

This specification indicates the supported network speeds. The switch supports 10/100/1000 Base-T Ethernet, which means it can handle network speeds of 10, 100, and 1000 megabits per second (Mbps), commonly referred to as 10/100/1000 Mbps or Gigabit Ethernet. This versatility in speed compatibility is essential for accommodating a wide range of devices and applications.

The term "stackable" implies that multiple switches of the same model can be interconnected to work as a single, unified system. This enables network expansion and redundancy while simplifying management.

Now that we have a clear understanding of the product name, let's dive deeper into the various aspects of the HPE J9728A#ABA switch.

The HPE J9728A#ABA switch's features and capabilities make it suitable for a variety of use cases across different industries. Let's explore some of these scenarios:

Large enterprises with a substantial number of employees and a diverse range of network devices can benefit from the 48 ports and high data transfer speeds of the HPE J9728A#ABA switch. It allows for seamless connectivity for workstations, servers, and communication tools, supporting critical applications such as video conferencing, cloud services, and data center operations.

Data centers often require switches with advanced Layer 3 capabilities for efficient traffic management. The HPE J9728A#ABA can be a valuable addition to data center infrastructure, supporting virtualization, storage area networks (SANs), and high-speed interconnectivity between servers and storage devices.

Universities and schools frequently have large and diverse networks to support various departments and research activities. The 48 ports and stackable features of this switch make it suitable for educational institutions seeking to manage their networks effectively and accommodate the connectivity needs of students and staff.

In healthcare facilities, network reliability and speed are critical for patient care, electronic health records (EHR) systems, and telemedicine. The HPE J9728A#ABA switch can help healthcare organizations maintain a stable and efficient network infrastructure, ensuring that medical professionals have access to the information they need when they need it.

SMBs can find value in the HPE J9728A#ABA switch due to its scalability and ability to meet the growing demands of a business. Whether it's expanding the network as the company grows or providing a stable and efficient network for day-to-day operations, this switch can adapt to the unique needs of SMB.

The HPE J9728A#ABA switch boasts 48 ports, which makes it an excellent choice for businesses of varying sizes. Whether you are a small or medium-sized enterprise looking for room to grow or a large corporation with high connectivity demands, the 48 ports provide the flexibility to connect a wide range of devices, including computers, printers, IP phones, servers, and more.

The "L3 managed" designation means that this switch operates at Layer 3 of the OSI model, making it capable of routing and forwarding data between different subnets or networks. This advanced routing capability allows for complex network setups and optimized traffic flow.

With a remarkable data transfer rate of 176 Gigabits per second (GBPS), the HPE J9728A#ABA ensures that data moves swiftly and efficiently across your network. This is essential for applications that demand high bandwidth, such as video conferencing, multimedia streaming, and large data file transfers.

DesignThe small form factor (SFF+) design is ideal for businesses with limited rack space. The compact size of the switch ensures that it won't take up unnecessary space in your network cabinet while still providing the high port count and performance you need.

The 625 MHz CPU ensures that the switch can handle a substantial amount of network traffic and data processing efficiently. This processing power is essential for maintaining network performance, especially in demanding environments.

Network Speeds with 10/100/1000 Base-T SupportThe switch's support for 10/100/1000 Base-T Ethernet means it can auto-negotiate network speeds of 10, 100, or 1000 Mbps. This versatility is crucial for businesses that have devices with varying speed requirements, ensuring that all devices can connect and operate at their maximum capacity.

The stackable feature allows you to link multiple switches of the same model together, creating a unified network infrastructure. This not only simplifies management but also provides redundancy and scalability. If one switch fails, traffic can seamlessly route through the remaining switches, ensuring uninterrupted network operation.

To better understand the HPE J9728A#ABA switch, let's delve into its detailed specifications, including its physical characteristics, performance, and management capabilities.

• Dimensions: The exact dimensions of the switch will vary depending on the specific SFF+ module configuration. However, it is designed to be space-efficient and rack-mounted.
• Weight: The weight of the switch will depend on the model and the number of installed modules. However, it is generally designed to be lightweight and easy to handle during installation.
• Rack-Mountable: The switch is typically rack-mountable, which means it can be easily integrated into standard network cabinets or racks.
• Form Factor: The SFF+ design ensures a compact form factor, making it suitable for environments with limited space.

• Data Transfer Speed: The switch offers an impressive data transfer speed of 176 GBPS. This ensures rapid data transmission within the network.
• CPU: The switch is equipped with a powerful 625 MHz CPU to handle data processing efficiently.
• Network Speed: It supports 10/100/1000 Base-T Ethernet, allowing devices with different speed requirements to connect seamlessly.

• Layer 3 Functionality: As an L3-managed switch, it provides advanced routing and network management capabilities at Layer 3 of the OSI model.
• Stackable: The stackable feature enables multiple switches to be connected to create a unified network, simplifying management and providing redundancy.
• Web Interface: The switch typically comes with a web-based user interface for easy configuration and management.
• CLI (Command Line Interface): For advanced users and network administrators, the switch offers a CLI for in-depth configuration and control.
• Security Features: The switch may include security features such as access control lists (ACLs), port security, and 802.1X network access control to enhance network security.
• VLAN Support: Virtual LAN (VLAN) support allows for network segmentation, which is essential for network optimization and security.
• Quality of Service (QoS): QoS features enable prioritization of network traffic to ensure critical applications receive the necessary bandwidth and minimal latency.
• Remote Management: Remote management capabilities enable administrators to monitor and control the switch from a remote location, providing flexibility and convenience.

• Operating Temperature: The switch typically operates within a specific temperature range. It's important to ensure that the operating temperature aligns with your environmental conditions.
• Power Supply: The switch's power requirements and options may vary depending on the model. It's crucial to understand the power needs for your specific configuration.
• Fan Noise: If the switch has built-in fans for cooling, consider the noise level produced by the fans, especially if the switch will be located in a noise-sensitive environment.

Before investing in the HPE J9728A#ABA switch, it's essential to consider some factors to ensure it aligns with your specific requirements:

Network Size and Growth

Assess the current size of your network and future growth expectations. Ensure that the switch's port count and capabilities meet your existing and anticipated needs.

Network Topology

Consider your network topology and design. The Layer 3 capabilities of this switch make it suitable for complex network architectures. Ensure it aligns with your network design.

Space and Environment

Determine the available space for the switch and the environmental conditions of the installation location. The switch's compact design is beneficial for space-efficient installations.

Power Requirements

Understand the power requirements of the switch and ensure that your infrastructure can support it. Consider redundancy options for the power supply.

Noise Tolerance

If the switch has cooling fans, evaluate the noise level generated by the fans to ensure it's suitable for your environment.

Budget

Finally, consider your budget. The HPE J9728A#ABA offers a range of features and capabilities, so ensure it aligns with your financial resources.

• Manufacturer: HPE
• Model Number or SKU# J9728A#ABA
• Product Type: Switch

• Ports: 48 X 10/100/1000 + 4 X Shared Gigabit SFP
• Performance: Throughput: 130.9 Mpps
• Switching Capacity: 176 Gbps
• Routing Protocol: Rip, Static IP Routing
• Remote Management Protocol: SNMP 1, Rmon 1, Telnet, SNMP 3, SNMP 2c, Tftp, Cli
• Authentication Method: Radius
• Features: Dos Attack Prevention, Ipv6 Support, Half Duplex Mode, Full Duplex Mode, Class Of Service (cos)
• Processor : 1 X Arm : 625 Mhz
• Ram: 512 Mb - Sdram
• Flash Memory: 1 Gb

• Interfaces : 48 X 10base-t/100base-tx/1000base-t - Rj-45 4 X Sfp
• Management: 1 X Rs-232 - Rj-45
• Management: 1 X 5 Pin Micro-USB Type B

In summary, the HPE J9728A#ABA 48-Port L3 Managed Switch is a powerful networking solution that offers a high port count, impressive data transfer speeds, Layer 3 management capabilities, and a compact design. Its versatility and performance make it suitable for a wide range of industries and use cases, from large enterprises to educational institutions and small businesses. Before purchasing this switch, it's essential to consider factors such as your network size, topology, available space, power requirements, and budget. Additionally, the configuration and installation of the switch may require the expertise of a network administrator or IT professional. Regular maintenance and monitoring are key to ensuring consistent network performance, and troubleshooting skills are valuable for addressing any issues that may arise. The HPE J9728A#ABA switch can be a valuable addition to your network infrastructure, providing the speed and management capabilities necessary for a reliable and efficient network.