HPE 25G SFP28 LC eSR 400m MMF Transceiver

The HPE 25G SFP28 LC eSR 400m MMF Transceiver is engineered for modern data centers that demand blazing-fast bandwidth, outstanding reliability, and a cost-conscious path to higher speeds. This ultra-compact, hot-swappable module plugs into standard SFP28 ports found on HPE switches, servers, and storage systems, delivering a seamless upgrade from 10G to 25G Ethernet without a forklift upgrade. Designed for performance-conscious enterprises, it bridges the gap between traditional 10G links and next-generation 25G networks by leveraging multimode fiber (MMF) and an LC duplex connector to achieve reliable, low-latency transmissions across a campus or data center backbone. The module’s energy-efficient design translates into lower total cost of ownership (TCO) while maintaining robust signal integrity, even in dense, high-traffic environments. With digital diagnostics monitoring (DDM) capabilities, administrators can monitor real-time operating parameters, enabling proactive maintenance and faster troubleshooting. Built to operate reliably in standard data center conditions (commonly 0°C to 70°C), this transceiver is ideal for spine-and-leaf architectures, server-to-storage interconnects, and high-performance computing workloads that demand consistent throughput and predictable performance. In short, the HPE 25G SFP28 LC eSR 400m MMF Transceiver empowers organizations to scale network bandwidth, simplify deployment, and optimize energy use—without compromising on reliability or manageability.

• High-speed 25G performance: Elevate bandwidth from 10G to 25G with a compact SFP28 module designed for dense data-center deployments, enabling faster backups, real-time analytics, and accelerated workloads.
• 400-meters MMF reach with LC duplex: Engineered for multimode fiber, this transceiver supports reliable 25G links over MMF up to 400 meters, making it ideal for rack-to-rack, row-to-row, and campus interconnects in modern networks.
• Plug-and-play with HPE gear: Seamless integration with HPE switches, servers, and storage arrays; designed to work within existing HPE ecosystems to minimize compatibility issues and reduce installation time.
• Energy-efficient design and reliability: Optimized for low power consumption and thermal efficiency, helping to lower cooling costs while delivering consistent performance in busy data-center environments.
• Management-friendly optics: Includes digital diagnostics monitoring (DDM/DOM) for real-time insight into optical power, temperature, and laser status, enabling proactive maintenance and faster fault isolation.

Technical Details of HPE 25G SFP28 LC eSR 400m MMF Transceiver

• Get this information from the "specifications" section of the product from https://ec.synnex.com/ using product "UPC" or "SKU" as reference
• Form factor: SFP28 transceiver
• Data rate: 25 Gbps
• Fiber type: Multi-mode fiber (MMF)
• Distance: 400 meters
• Connector: LC duplex
• Wavelength: 850 nm VCSEL
• Compatibility: Designed for HPE networking gear (switches, servers, storage)
• Operating temperature: 0 to 70°C

How to install HPE 25G SFP28 LC eSR 400m MMF Transceiver

Installing the HPE 25G SFP28 LC eSR 400m MMF Transceiver is designed to be straightforward and non-disruptive in most data-center environments. Follow these steps to ensure a proper, reliable installation and first-link validation.

1) Prepare the environment: power down or pause the affected port on the switch or server, and confirm that the fiber backbone is powered and free of contamination. Use appropriate ESD protection and handle the module with care to avoid optical and mechanical damage.

2) Inspect the module and slot: verify that the transceiver is the correct model for your HPE device and that the SFP28 slot is clean and free of debris. If replacing an existing module, note any port configuration policies (speed, duplex, auto-negotiation) that may require adjustment after installation.

3) Insert the transceiver: align the module with the SFP28 slot and slide it in until it seats with a gentle click. Do not force the module; improper seating can cause link instability or damage.

4) Attach the fiber cable: connect the MMF fiber optic cable with LC duplex connectors to the transceiver, ensuring correct polarity and cleanliness of connector ends. Avoid bending the fiber beyond the recommended bend radius and verify connector insertion is secure.

5) Verify link and configure: power up the device or re-enable the port and set the port speed to 25G in the device management interface. Confirm link status and perform a basic throughput check to ensure the link is stable and within expected performance.

6) Monitor after deployment: utilize the transceiver’s digital diagnostics monitoring (DDM) to observe optical power, temperature, and other critical parameters. Schedule regular checks to detect drift, temperature variations, or any sign of wear over time.

Frequently asked questions

• Q: What interoperability considerations should I keep in mind with this transceiver? A: This module is designed for HPE networking equipment; while some cross-vendor compatibility may exist at the physical layer, guaranteed interoperability is provided by using the same vendor’s gear or officially supported configurations. Always consult the vendor interoperability matrix for your environment.
• Q: Can I mix 25G SFP28 transceivers from different manufacturers in the same switch? A: In some cases you can, but performance, warranty, and support implications may apply. For mission-critical deployments, use HPE-certified transceivers to ensure optimal performance and support alignment.
• Q: What is the practical reach of this transceiver in a data center? A: The MMF-based design supports up to 400 meters, which is well-suited for rack-to-rack and row-to-row connectivity within data-center clusters, especially in spine-leaf architectures where low latency and high bandwidth are essential.
• Q: Does this module support digital diagnostics monitoring (DDM/DOM)? A: Yes. DDM/DOM provides real-time insight into optical power, temperature, laser status, and other critical parameters to facilitate proactive maintenance and rapid fault isolation.
• Q: What cooling considerations apply to this transceiver? A: It is designed for typical data-center temperatures (0°C to 70°C). Ensure adequate airflow and cooling for densely populated racks to maintain optimal performance and longevity.