Synology D4NE-2666-4G 4GB DDR4 Non-ECC UDIMM RAM Module for Synology NAS (1 x 4GB)
Description
The Synology D4NE-2666-4G is a 4GB DDR4-2666 MHz non-ECC unbuffered DIMM designed specifically for Synology RackStation NAS systems. It’s officially tested and certified by Synology to ensure seamless integration and reliable performance. It offers:
- DDR4-2666 MHz speed for fast data access and improved performance
- 4GB capacity, ideal for boosting multitasking and system responsiveness
- Unbuffered, non-ECC memory type for reliable everyday use
- SO-DIMM form factor, compatible with select Synology NAS models
Key Features & Advantages
- Memory Type: DDR4 SDRAM
- Capacity: 4 GB
- Speed: DDR4-2666 MHz (PC4-21300)
- ECC Support: Non-ECC
- Form Factor: 288-pin UDIMM
- Voltage: 1.2 V
- Type: Non-ECC, unbuffered
- Compatibility: RS2418+, RS2418RP+, RS2818RP+ running DSM 6.2.2 or newer
- Warranty: 3 years (Synology-backed)
Compatibility & Integration
- Designed for: Synology RackStation NAS models including RS2418+, RS2418RP+, RS2818RP+
- DSM Compatibility: Fully compatible with DSM 6.2.2 and newer
- Installation: Plug-and-play; DSM auto-detects the module without manual configuration
- Firmware Optimization: Seamless integration with Synology’s hardware and software architecture
Reliability & Support
- Synology-Certified: Ensures system stability and avoids boot or firmware issues common with third-party RAM
- Warranty: 3 years (valid only when using genuine Synology modules)
- Use Case: Ideal for moderate NAS workloads like Plex streaming, backups, and multitasking environments
Benefits
- Guaranteed compatibility with supported RackStation models
- Plug-and-play installation with automatic detection by DSM
- Improved multitasking and responsiveness for NAS services like Plex, backups, and containers
- Avoids boot or stability issues common with third-party RAM
Why Choose This Module?
- Guaranteed hardware compatibility with models RS2418+, RS2418RP+, RS2818RP+ running DSM 6.2.2+
- Seamless system stability—no unexpected crashes or firmware mismatches
- Optimized firmware integration, ensuring DSM recognizes the upgrade without manual configuration
- NAS-ready performance, ideal for moderate workloads, Plex streaming, and multi-tasking environments
Application Primary Use Cases
- NAS Performance Boost: Enhances memory capacity for Synology RackStation models like RS2418+, RS2418RP+, and RS2818RP+ running DSM 6.2.2 or newer.
- Multitasking: Improves responsiveness when running multiple services such as file sharing, backups, and cloud sync.
- Plex Media Server: Supports smoother media streaming and transcoding for Plex or other media applications.
- Virtualization & Containers: Helps run Docker containers or lightweight virtual machines more efficiently.
- Surveillance Station: Enhances performance when managing multiple IP cameras and video streams.
- Backup & Sync Operations: Speeds up tasks like Hyper Backup, Cloud Sync, and Snapshot Replication.











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