Description
E25G21-F2
Dual-port SFP28 add-in card designed to accelerate bandwidth-intensive workflows
Maximize Bandwidth for Heavy-Duty Applications
The Synology E25G21-F2 is a dual-port 25GbE SFP28 network interface card that lets you boost network bandwidth and performance. Handle higher quantities of data traffic for increased users and the most data-intensive workloads.
- Throughput : Dual-port 25GbE SFP28
- Flexibility : Optical SR, Optical LR, and DAC support
- Compatibility : Purpose-built for Synology servers
Boost throughput within minutes
Easy installation
Upgrade Synology systems with faster networking speeds. Thorough validation ensures seamless integration with DSM.
Link Aggregation
Combine the E25G21-F2’s two 25GbE ports into a Link Aggregation group to enable higher simultaneous throughput, port failover, and load balancing.
5-year warranty
At Synology, we are committed to product innovation and quality. Synology guarantees a robust and reliable data management experience with a 5-year limited warranty, providing responsive technical support and hardware replacement services to maximize your return on investment.
SPECIFICATIONS
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Hardware Specifications |
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General |
Host Bus Interface | PCIe 3.0 x8 |
| Bracket Height | Low Profile and Full Height | |
| Size (Height x Width x Depth) | 69 mm x 168 mm x 17.3 mm | |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) | |
| Storage Temperature | -20°C to 60°C (-5°F to 140°F) | |
| Relative Humidity | 5% to 95% RH | |
| Warranty | 5 Years | |
| Notes | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) | |
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Network |
IEEE Specification Compliance |
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| Data Transfer Rates | 25 Gbps | |
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Compatibility |
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Applied Models |
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| Notes |
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Notes:
- Model specifications are subject to change without prior notice.
- The figures are based on Synology internal testing. Each performance test is done individually. No other services or applications are processed at the same time.
- The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
- If usage requirements exceed the specifications above, please contact our regional partners for professional advice.




