HPE P44259-B21 10Gb/25Gb SFP28 SR Transceiver
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P44259-B21
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overview
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P44259-B21 Overview
HPE P44259-B21 1 X 25gbase-sr Network Lan - Twisted Pair25 Gigabit Ethernet - 25gbase-sr - Plug-in Module For Optical Network, Data Networking.
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Specifications
Overview
| Condition | New |
|---|---|
| Brand | HPE |
| Stock | In Stock |
General Information
| Manufacturer Part Number | P44259-B21 |
|---|---|
| Manufacturer | Hewlett Packard Enterprise |
| Product Name | Sfp28 Module |
| Product Type | Sfp28 |
Media & Performance
| Network Technology | 25gbase-sr |
|---|---|
| Media Type Supported | Twisted Pair |
Interfaces/ports
| Interfaces/ports Details | 1 X 25gbase-sr Network Lan |
|---|---|
| Total Number Of Ports | 1 |
Frequently Asked Questions
What is the primary function of the HPE P44259-B21 transceiver? +
The HPE P44259-B21 is an SFP28 optical transceiver designed to provide high-speed 25GbE connectivity for data center and enterprise networking environments. It is engineered to deliver reliable, short-range data transmission over fiber-optic cabling, making it an essential component for upgrading server-to-switch links or high-density network fabrics where bandwidth efficiency is critical.
Is the HPE P44259-B21 compatible with standard SFP28 ports? +
Yes, this transceiver is fully compliant with industry-standard SFP28 specifications. It is designed to integrate seamlessly into HPE server and networking hardware that supports the SFP28 form factor. As long as your switch or network interface card (NIC) port is configured for 25GbE operation, this module will provide the expected performance and link stability required for high-speed fiber deployments.
What type of cabling does the P44259-B21 require for optimal performance? +
To achieve peak performance with the HPE P44259-B21, you should utilize compatible multi-mode fiber optic cabling. It is essential to ensure the fiber grade, such as OM3 or OM4, matches the distance and speed requirements of your specific network architecture to minimize signal attenuation and maintain the integrity of your 25GbE data throughput.
Can the P44259-B21 be used in 10GbE networking environments? +
While the P44259-B21 is specifically optimized for 25GbE throughput, many SFP28 ports are backward compatible with 10GbE SFP+ modules. However, the transceiver itself is intended for 25GbE standards. We recommend verifying your specific switch's port auto-negotiation settings if you are attempting to bridge different interface speeds within your local area network.
How does this transceiver compare to standard SFP+ modules? +
The P44259-B21 represents a significant performance leap over standard 10GbE SFP+ modules. By utilizing the SFP28 interface, this transceiver supports 25Gbps per lane, effectively providing 2.5 times the bandwidth of traditional SFP+ connections. This makes it a superior choice for modernizing network backbones that require higher data density without moving to more complex and expensive infrastructure platforms.
What are the common deployment scenarios for HPE P44259-B21 modules? +
This module is frequently deployed in high-performance computing clusters, top-of-rack (ToR) switch configurations, and storage area networks. Its compact form factor and high bandwidth capacity make it ideal for enterprises scaling their virtualized environments or database infrastructure where low latency and high-speed server-to-switch connectivity are vital to maintain operational productivity and handle heavy traffic loads.
Does the P44259-B21 require special configuration on HPE switches? +
In most enterprise HPE environments, the P44259-B21 is recognized via plug-and-play functionality once inserted into an SFP28 port. The switch firmware typically detects the transceiver's operational parameters automatically. While manual configuration might be necessary for specific port speed settings or VLAN tagging in complex topologies, the transceiver itself adheres to standard protocols to ensure a straightforward installation process.
How do I ensure the reliability of my optical connection with this transceiver? +
Reliability is maintained by keeping the transceiver and fiber connectors free from dust and debris using industry-approved cleaning tools. Ensure that the fiber cables are properly seated and that the link budget is within specified limits for your cable length. Following these best practices for physical layer maintenance will ensure consistent, error-free high-speed connectivity throughout the lifecycle of your HPE networking hardware.
Why should I purchase my HPE networking hardware from BuyRouterSwitch.com? +
BuyRouterSwitch.com is a trusted source for authentic enterprise-grade networking equipment. We specialize in providing high-quality HPE hardware sourced through reliable channels to ensure our clients receive genuine components. Our focus on technical expertise and streamlined procurement allows us to offer the precise solutions you need to maintain a high-performance network infrastructure while ensuring every component meets rigorous professional standards.
How can I request a bulk quote for multiple P44259-B21 units? +
For large volume orders or specific project requirements, our sales team at BuyRouterSwitch.com is ready to assist you. Simply contact us directly through our website to discuss your procurement needs. We provide competitive pricing structures for bulk purchases, helping you manage your IT budget efficiently while ensuring you have a steady supply of authentic HPE transceivers for your upcoming data center expansions.



























