Synology E25G21-F2 Network adapter
Boost your NAS performance with the Synology E25G21-F2 dual-port 25GbE SFP28 network adapter. Designed for Synology servers, it offers ultra-fast transfer speeds and reliable enterprise networking.
Product Description
The Synology E25G21-F2 is a dual-port 25GbE SFP28 network adapter engineered to deliver ultra-high-speed networking to compatible Synology servers. Designed for data-intensive workloads, such as virtualization, massive data transfers, and large-scale backups, this network interface card (NIC) empowers your NAS to reach new levels of speed and performance.
Powered by Intel E810 Ethernet controller, the E25G21-F2 ensures optimal compatibility, low latency, and efficient power consumption. It’s ideal for business environments that demand uncompromised throughput and stability.
Specifications
| Feature | Details |
|---|---|
| Product Model | Synology E25G21-F2 |
| Network Interface | Dual SFP28 25GbE ports |
| Controller | Intel E810 |
| Host Interface | PCIe 3.0 x8 |
| Form Factor | Low-profile and full-height brackets included |
| Connector Type | SFP28 (backward compatible with 10GbE SFP+) |
| Compatible Cables | SFP28 DAC, SR transceivers, LC fiber cables |
| Power Consumption | Approx. 10.5W (typical) |
| OS Support | Synology DSM (latest versions), Linux |
| Dimensions | 69 mm x 168 mm x 17.4 mm |
Why Choose the Synology E25G21-F2?
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25GbE Future-Ready Speed: Achieve transfer rates over 2,000 MB/s when combined with compatible switches and storage.
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Dual-Port Flexibility: Connect to redundant switches or aggregate links for load balancing and failover.
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Intel-Powered Reliability: E810 controller ensures trusted enterprise-grade performance and support.
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DSM Integration: Seamlessly integrates into Synology’s DiskStation Manager (DSM) interface.
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Reduced Network Bottlenecks: Perfect for high-speed iSCSI storage, VM hosting, and heavy multimedia workloads.
FAQs
Q1: Is the E25G21-F2 compatible with all Synology NAS models?
No. It requires NAS units with available PCIe x8 or x16 slots. Check Synology’s official compatibility list before installation.
Q2: Can I use this adapter with 10GbE switches?
Yes. The SFP28 ports are backward compatible with SFP+ for 10GbE connections.
Q3: What type of cables can I use?
You can use SFP28 DAC (Direct Attach Copper), SR optical transceivers, or standard LC fiber cables.
Q4: Does this NIC require any additional drivers?
No. It is fully supported by Synology DSM without third-party drivers.
Q5: Can I use both ports simultaneously?
Yes. Both ports can operate independently or be configured for link aggregation.
Q6: What is the power draw of the E25G21-F2?
It consumes approximately 10.5 watts, which is efficient for a dual 25GbE adapter.
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