🛍️ Product Name
Synology D4ES01-8G RAM Module – 8GB DDR4-3200 ECC SODIMM, Official Synology Memory Upgrade for DS1621+, DS1621xs+, RS1221+, RS1221RP+
📦 Product Overview
The Synology D4ES01-8G is an 8GB DDR4 ECC SODIMM memory module designed for expanding memory in select Synology NAS systems. With 3200 MT/s speed and error-correcting capabilities, it enhances system responsiveness, supports data integrity, and ensures stable operation under demanding workloads. Certified by Synology, it is recommended for users seeking reliable upgrades with full warranty support.
🌟 Top Highlights
🧠 8GB Capacity – Expands memory for multitasking and system performance
⚙️ DDR4-3200 ECC SODIMM – High-speed error-correcting memory for data integrity
🔒 Synology Certified – Guaranteed compatibility with DS1621+, DS1621xs+, RS1221+, RS1221RP+
📈 Performance Boost – Improves responsiveness for file services and virtualization
🛡️ Warranty Supported – Full coverage when installed in qualified Synology systems
📐 Technical Details
| Specification | Details |
|---|---|
| Model Number | D4ES01-8G |
| Capacity | 8GB |
| Type | DDR4 ECC SODIMM |
| Speed | 3200 MT/s |
| ECC Support | Yes |
| Form Factor | SODIMM |
| Applied Models | DS1621+, DS1621xs+, RS1221+, RS1221RP+ |
| Warranty | 5 Years (when used in supported Synology NAS) |
💡 Why You Should Buy It
✅ Official Synology memory module with full warranty support
✅ ECC protection ensures data integrity in business-critical environments
✅ Boosts performance for virtualization, file sharing, and backup tasks
✅ Guaranteed compatibility with enterprise Synology NAS models
🎯 Recommended Use Cases
➤ Memory expansion for Synology NAS systems
➤ Virtual machine hosting and Docker containers
➤ Business file sharing and backup operations
➤ High-load environments requiring ECC protection
🤝 Customer Assurance
🛡️ Warranty / Guarantee: Coverage available through Synology when installed in supported models
🔄 Returns Policy: Returns accepted as per standard reseller terms and conditions
🚚 Shipping Info: Delivery handled by reliable logistics partners with tracking support
📞 Customer Support: Assistance available via Synology and authorized resellers
👉 Call to Action
Upgrade your Synology NAS with certified ECC memory for dependable performance and enterprise-grade reliability.

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– YOUR TRUSTED IT PARTNER.
