The Synology RDIMM ECC RAM DDR4-2666 16GB (D4RD-2666-16G) is engineered specifically for Synology enterprise NAS systems like the FS6400, FS3400, and SA3400 series. It features Error-Correcting Code (ECC) for enhanced data integrity and reliability, making it ideal for enterprise-grade storage environments. With a 2666 MHz memory speed and registered DIMM architecture, it ensures stable performance and compatibility with supported Synology models.

Technical Specifications

• Type: DDR4 ECC Registered DIMM (RDIMM)
• Capacity: 16GB
• Speed: 2666 MHz (PC4-21300)
• Form Factor: 288-pin RDIMM
• Voltage: 1.2V
• Error Correction: ECC (Error-Correcting Code) technology to detect and correct common types of data corruption

Performance Benefits

• Optimized for Synology NAS: Designed for compatibility and reliability with Synology FS and SA series models. Using non-Synology modules may cause instability or void warranty.
• Improved Multitasking: Boosts system responsiveness and allows more applications to run simultaneously with smoother switching.
• Faster Start-Up: Reduces delays during boot and routine operations, especially in high-load environments like virtualization or large-scale storage

Compatibility

• Designed specifically for Synology NAS models:
  • FS Series: FS6400, FS3600, FS3400
  • SA Series: SA3600, SA3400

Reliability

The Synology RDIMM ECC RAM DDR4-2666 16GB (D4RD-2666-16G) is designed for high reliability and optimal compatibility with Synology NAS systems enhancing multitasking, and improving responsiveness in data-intensive environments. Here’s what makes it dependable:

• ECC Technology This module uses Error-Correcting Code (ECC), which automatically detects and corrects common types of internal data corruption. That’s a major plus for mission-critical applications and data integrity.
• Registered DIMM (RDIMM) Being a registered DIMM helps reduce electrical load on the memory controller, improving stability in systems with large memory configurations.
• Synology-Certified Compatibility Synology strongly recommends using their own memory modules to avoid system instability or boot failures. Using non-Synology RAM may void warranty and support.
• 5-Year Warranty The module comes with a 5-year warranty, reflecting Synology’s confidence in its durability and long-term performance.
• Performance Boost Upgrading with this RAM can improve system responsiveness, reduce startup delays, and allow more applications to run simultaneously

Important Notes

• Synology strongly recommends using authentic Synology memory modules to ensure system stability and avoid boot failures.
• Mixing with non-Synology modules may void warranty and lead to technical issues.
• For multi-module setups, all modules must be identical in model and specs.

Application Use Case

1. Target Devices: This module is compatible with Synology’s FS and SA series NAS models, including:
   • FS6400, FS3600, FS3400
   • SA3600, SA3400
2. Primary Use:
   • Enterprise Storage Solutions: Ideal for high-performance NAS setups used in data centers, media production, and large-scale backup environments.
   • Virtualization & High Workload Environments: Supports virtual machines, databases, and other memory-intensive applications.
   • Data Integrity: ECC (Error-Correcting Code) ensures data reliability by detecting and correcting memory errors, which is critical in business-critical systems.
3. Benefits:
   • Boosts system responsiveness and multitasking capabilities.
   • Reduces startup delays and improves performance during routine operations.
   • Ensures compatibility and stability when paired with identical Synology-certified modules