Intel Ethernet SFP28 Optic - E25GSFP28SR
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Product Information
Full details
The Intel E25GSFP28SR is a high-performance fiber optic transceiver designed for data centers and enterprise networks requiring 25GbE connectivity. It is ideal for IT professionals looking to upgrade bandwidth while maintaining flexibility through backward compatibility with 10GbE systems. One caveat is that this module is a multi-mode fiber (MMF) SR-type optic, meaning it is intended for short-range transmission and may not be suitable for long-distance outdoor or inter-building links.
All features
| Series | SFP28 |
|---|---|
| Model Part Number | E25GSFP28SR |
| Brand | Intel |
Extended Product Information
FAQs
Does this optic work with 10GbE switches?
Yes, it is backward compatible with 10GbE, provided the switch port supports 10G/25G SFP28/SFP+ connectivity.
What is the maximum distance for this SR module?
As an SR (Short Range) optic, it is intended for use with multi-mode fiber over distances typically associated with data center rack-to-rack or aisle-to-aisle connections.
Does it require special software configuration?
Generally, it is plug-and-play. However, ensure your Intel network adapter drivers are up to date.
Can I use this with copper cables?
No, this is a fiber optic transceiver. It requires compatible fiber optic cabling with LC connectors.
Is this module immune to electrical interference?
Yes, because it transmits data via light rather than electrical signals, it is completely immune to EMI and RFI.
Troubleshooting
Link light does not illuminate
Verify the module is fully seated in the SFP28 port and check that the fiber cable is securely connected at both ends.
Intermittent packet loss
Inspect the fiber cable for sharp bends or kinks and clean the transceiver connector ends with fiber-safe cleaning supplies.
Device not recognized by OS
Ensure you are using the latest drivers for your specific Intel Ethernet Adapter and confirm that the switch port is configured for the correct speed (25G or 10G).
Pros and Cons
Pros
- Reliable 25GbE performance
- Excellent immunity to electrical noise
- Energy-efficient 1.2 W power rating
- Supports legacy 10GbE equipment
- Easy hot-swap installation
Cons
- Requires multi-mode fiber cabling
- Limited to short-range (SR) distances
- Requires SFP28-compatible hardware
Setup, Compatibility & Care
To install the transceiver, ensure your host device is powered on if it supports hot-swapping, or follow standard safety procedures. Align the module with the SFP28 slot on your Intel Ethernet Adapter and slide it in until it clicks securely.
Compatibility: This module is specifically designed for SFP28 slots. While it supports 10GbE, it must be used within an SFP28 port that can auto-negotiate or be manually configured to 10G/25G speeds.
Care: Always keep the dust cover on the fiber optic ports when the module is not in use. If you experience signal degradation, use a fiber optic cleaning pen or specialized lint-free wipes designed for fiber interfaces to clean the internal optics, as dust or oil from fingers can significantly interfere with data transmission.