HPE 495420-001 24 Ports Switch
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HPE 495420-001 Infiniband 4x DDR 24 Ports 20GBPS G2 Switch Refurbished

Availability: In Stock
Part Number#: 495420-001
List Price was: $680.77
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Short Description:
495420-001 Infiniband 4x DDR 24 Ports 20 Gigabytes Per Second (GBPS) Generation 2 Switch Module | Made by HPE | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
30 Days

Troubleshooting and Maintenance

Troubleshooting and maintenance are important components of ensuring the reliable operation of the HPE 495420-001 Infiniband 4x DDR switch module. Here are some best practices for troubleshooting and maintenance:

  • Monitor performance: Regular monitoring of the switch module can help to identify performance issues before they become major problems. This can include monitoring switch utilization, error rates, and other performance metrics.
  • Keep software up-to-date: Keeping the switch module's software up-to-date can help to ensure that it is running the latest bug fixes and performance enhancements.
  • Regularly inspect and clean the switch module: Dirt, dust, and other debris can accumulate on the switch module over time, impacting performance. Regularly inspecting and cleaning the switch module can help to ensure that it is operating at peak performance.
  • Perform preventive maintenance: Preventive maintenance, such as firmware upgrades and backups, can help to prevent problems before they occur and reduce downtime.
  • Have a backup plan in place: Having a backup plan in place, such as a spare switch module or a redundant network configuration, can help to minimize downtime in the event of a failure.
  • Knowledge of error messages: Familiarize yourself with the switch module's error messages, as they can provide valuable information when troubleshooting issues.
  • Contact HPE support: If you are unable to resolve an issue with the switch module, don't hesitate to contact HPE support for assistance.

By following these best practices, you can minimize downtime and ensure that the HPE 495420-001 Infiniband 4x DDR switch module is operating reliably and efficiently.

Maximize Connectivity

Maximizing connectivity refers to the process of ensuring that all devices on a network are able to communicate effectively and efficiently. Here are some best practices for maximizing connectivity:

  • Proper network design: Proper network design is key to maximizing connectivity, as it ensures that network resources are distributed and utilized in an efficient manner.
  • Use of switches and routers: The use of switches and routers can help to improve network performance by segmenting traffic and reducing congestion.
  • Implementing VLANs: Virtual local area networks (VLANs) can be used to segment network traffic and improve security.
  • Quality of Service (QoS) policies: Implementing Quality of Service (QoS) policies can help to ensure that critical network traffic is prioritized over less important traffic, improving overall network performance.
  • Network monitoring and management: Regular monitoring and management of network performance can help to identify and resolve issues that may impact connectivity, such as network congestion or hardware failures.
  • Network scalability: A scalable network infrastructure can help to ensure that your network can grow and adapt to changing business needs over time.
  • Network redundancy: Implementing redundant network components, such as redundant switches and routers, can help to minimize downtime in the event of a failure.
By following these best practices, organizations can maximize network connectivity, improve network performance, and ensure a high-quality user experience for their employees and customers.

Network Flexibility

Network flexibility refers to the ability of a network to adapt to changing business requirements and technologies. Here are some best practices for achieving network flexibility:

  • Modular network design: A modular network design allows organizations to add or remove network components as needed, improving network flexibility.
  • Use of open standards: The use of open standards allows organizations to implement network solutions from a variety of vendors, improving network flexibility and choice.
  • Virtualization: Virtualizing network components, such as switches and routers, can improve network flexibility by allowing organizations to quickly provision and de-provision network resources as needed.
  • Cloud integration: Integrating network solutions with cloud platforms can improve network flexibility by allowing organizations to take advantage of the scalability and resource flexibility of the cloud.
  • Network automation: Automating network management and configuration tasks can improve network flexibility by reducing the time and effort required to manage the network.
  • Software-defined networking (SDN): Implementing software-defined networking (SDN) can improve network flexibility by allowing organizations to programmatically manage and configure their network resources.

By following these best practices, organizations can improve the flexibility of their network, allowing them to adapt to changing business requirements and technologies over time.

General Information about this HPE 495420-001

  • Manufacturer: HPE
  • Part Number or SKU# 495420-001
  • Device Type: Switch

Technical Information for HPE 24 Ports Switch

  • Ports type: 24 Port
  • Data Transfer Rate: 20 GBPS
  • Data Link Protocol: Infiniband
  • Connectivity Technology: Wired
  • Features : Auto-negotiation, Infiniband Ddr Link Support

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.

Different Types of Switches

Networking switches vary widely depending on the number of devices they can support, network bandwidth/speed, and form factor. Switches for small offices will have anything between 4 and 8 ports and can fit on a desk. For larger office network implementation, switches may have 24 ports, 48 ports, 96 ports, and 128 ports and are rack-mountable between 1U and 4U. Switches come in different types depending on the network speed and tasks they support. These include 40/100 Gbps, 10 Gigabit (up to 10000 Mbps), Gigabit Ethernet (up to 1000 Mbps), Power over Ethernet, and Fast Ethernet (10/100 Mbps).

Unmanaged Switches

The unmanaged switches offer fixed configurations on a plug-and-play basis. It is the most basic switch and there are a few choices in the market. These switches are affordable, but the basic features make them inappropriate for enterprise applications.

Managed Switches

The number of features and level of functionality improves with managed switches, making them ideal for enterprise and business applications. These switches are built with the command-line interface for ease of configuration. Equally, they support SNMP agents that come in handy when troubleshooting network issues.

The security on managed switches is better and will protect different types of traffic. Other features include support for virtual LANs, IP routing, and quality of service settings. Managed switches are more expensive compared to all other types of switches.

Smart Switches

Smart switches refer to switches that possess more features than those unmanaged switches but do not have the full features of managed switches. Smart switches are more cost-effective than managed switches.

Some of the limitations of the smart switches are a lack of telnet access support, Web GUIs, and a lack of many features for VLANs. They are affordable compared to a fully managed switch and are suitable for a smaller computer network.

Modular Switches

Modular switches allow the addition of expansion modules as the network expands. The expansion modules allow for more networked devices but are application-specific. They may include wireless access points, firewalls, or network analysis tools. The flexibility of a modular networking switch comes at a higher cost.


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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.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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