Product information
🛍️ Product Name
SYNOLOGY E25G21-F2 – Dual-Port 25GbE SFP28 PCIe 3.0 x8 Ethernet Adapter, Link Aggregation, Low-Latency, Full Height Bracket
📦 Product Overview
The Synology E25G21-F2 is a high-performance dual-port 25GbE network interface card designed to upgrade compatible Synology NAS systems. With two SFP28 ports and PCIe 3.0 x8 interface, it supports IEEE 802.3by standards and auto-negotiation across multiple speeds (25G/10G/1G). Ideal for bandwidth-intensive tasks such as virtualization, backup, and large-scale file transfers, it enables link aggregation and failover support for enhanced performance and reliability. Includes full-height bracket for rackmount deployment.
🌟 Top Highlights
⚡ Dual 25GbE SFP28 Ports – Up to 50 Gbps aggregate bandwidth
🔌 PCIe 3.0 x8 Interface – High-speed bus compatibility
🔁 Auto-Negotiation – Supports 25G / 10G / 1G
🔗 Link Aggregation & Failover – Boosts performance and resilience
🛡️ IEEE 802.3by & 802.3x – Standards-compliant and reliable
📐 Technical Details
| Specification | Details |
|---|---|
| Model | E25G21-F2 |
| Interface | PCIe 3.0 x8 |
| Ports | 2 × SFP28 (25GbE) |
| Supported Speeds | 25G / 10G / 1G |
| Standards | IEEE 802.3by, IEEE 802.3x |
| Bracket Height | Full Height |
| Dimensions | 120.2 × 68.1 × 18.6 mm |
| Operating Temp | 0°C to 40°C |
| Storage Temp | -20°C to 60°C |
| Warranty | 5-Year Limited Warranty |
💡 Why You Should Buy It
✅ Dual-port 25GbE for ultra-fast networking
✅ Supports multiple link speeds
✅ Ideal for high-throughput NAS environments
✅ Enterprise-grade reliability and performance
🎯 Recommended Use Cases
➤ High-speed NAS file transfers
➤ Virtualization and backup workloads
➤ Enterprise network upgrades
➤ 25GbE migration with redundancy
📦 What's Included
🧩 E25G21-F2 Ethernet Adapter
🔩 Full Height Bracket
📘 Quick Installation Guide
🤝 Customer Assurance
🛡️ Warranty / Guarantee: 5-Year Manufacturer Warranty
🔄 Returns Policy: As per standard reseller terms
🚚 Shipping Info: Tracked delivery via trusted logistics
📞 Support: Synology technical support and authorized resellers
👉 Call to Action
Upgrade your NAS with dual-port 25GbE — blazing fast, future-ready, and built for enterprise-grade performance.
Thanks for choosing – YOUR TRUSTED IT PARTNER.
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Specifications
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