Synology DDR4 ECC Unbuffered SO-DIMM: Mission-Critical Memory Expansion
Synology DDR4 ECC Unbuffered SO-DIMM modules are high-performance memory upgrades specifically engineered for Synology servers that require absolute data integrity. By combining the speed of DDR4 with Error Correction Code (ECC) technology, these modules ensure system stability for businesses running 24/7 virtualization, database, and large-scale file-sharing applications.
Technical Specifications
| Feature |
Details |
| Type |
DDR4 ECC Unbuffered |
| Form Factor |
SO-DIMM |
| Capacity Options |
4 GB (D4ES01-4G) / 8 GB (D4ES02-8G) / 16 GB (D4ES01-16G) |
| Speed |
2666 Mbps / 3200 Mbps (Model dependent) |
| Error Correction |
ECC (Error Correction Code) |
| Voltage |
1.2 V |
| Warranty |
Synology Limited Warranty |
Core Advantages
ECC Data Integrity
Unlike standard RAM, ECC memory detects and fixes single-bit memory errors in real-time. This is critical for preventing data corruption and system crashes, making it an essential requirement for enterprise-grade storage environments and servers handling sensitive financial or medical records.
Optimized for High-End DiskStations
These SO-DIMM modules are designed for high-performance desktop and small rackmount units (such as the Plus, xs, and xs+ series). They are rigorously tested to ensure 100% compatibility with Synology DiskStation Manager (DSM), providing a stable foundation for advanced multitasking.
Boost Virtualization & Container Performance
Increased RAM capacity allows you to:
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Allocate more resources to Virtual Machines (VMs) for smoother OS performance.
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Increase Docker capacity to run more microservices and web applications.
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Expand System Cache, significantly reducing I/O latency for frequently accessed files.
Cool and Efficient Operation
Operating at a low 1.2V, these DDR4 modules consume less power and generate less heat than older DDR3 memory. This helps maintain a lower internal temperature for your NAS, extending the lifespan of both the memory and the drive components.
Compatibility Guide
Synology DDR4 ECC SO-DIMMs are commonly used in high-performance models including:
(Note: Always verify your specific model’s maximum memory capacity and speed requirements in the Synology Compatibility List before purchasing.)
Why Use Genuine Synology Memory?
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Eliminate Compatibility Alerts: Non-Synology RAM often triggers “third-party memory” notifications within DSM.
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Priority Support: Using genuine modules ensures your system remains fully supported by Synology technical experts.
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Reliability Testing: Every module undergoes intense stress testing to ensure it survives the thermal demands of a 24/7 server environment.
Pro Tip: To enable Dual-Channel Memory performance, install modules in pairs of identical capacity and speed. This can significantly improve throughput for memory-intensive applications like video transcoding and database management.
