Synology 16GB D4EU01-16G DDR4 UDIMM ECC Memory Module
Upgrade your Synology NAS with the D4EU01‑16G 16 GB DDR4‑2666 ECC memory module. Certified for FlashStation FS2500 and RS2423+/RP+, ensures reliability, performance, and includes a 5‑year Synology warranty.
Product Overview
The Synology D4EU01‑16G is an authentic 16 GB DDR4‑2666 MHz ECC unbuffered DIMM, engineered specifically for Synology’s high-performance storage systems. Designed for FS2500 and RS2423+ / RP+ models, this Synology-certified RAM module provides error correction to enhance data integrity and system stability—ideal for intensive workloads and virtualization tasks
Key Features
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16 GB capacity, DDR4‑2666 MHz (PC4‑21300) memory.
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Error-Correcting Code (ECC) ensures reliability for critical data applications.
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UDIMM, 288-pin, 1.2 V unbuffered form factor compatible with select Synology NAS servers.
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Synology-certified compatibility: FlashStation FS2500; RS2423+, RS2423RP+
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5-year warranty from Synology, offering long-term support and peace of mind
Technical Specifications
| Specification | Detail |
|---|---|
| Capacity | 16 GB |
| Speed | DDR4‑2666 MHz (PC4‑21300) |
| ECC | Yes (Error-Correcting Code) |
| Form Factor | 288-pin UDIMM (unbuffered) |
| Voltage | 1.2 V |
| Warranty | 5 Years |
| Compatible Models | FS2500, RS2423+, RS2423RP+ |
Why Choose D4EU01‑16G?
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Synology-certified reliability: Guaranteed compatibility and firmware support—no boot or recognition issues.
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Data integrity focus: ECC ensures memory errors are detected and corrected, essential for business-critical tasks.
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Performance boost: Ideal for multitasking, caching, virtualization, and intensive DSM workloads.
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Strong warranty: 5‑year coverage means long-term confidence in your investment.
Frequently Asked Questions (FAQs)
Q1: Is this module compatible with non-Synology systems?
Not officially. Using it outside supported Synology models may work but isn’t validated or supported.
Q2: Can I mix with other RAM modules?
No. Synology recommends only identical D4EU01‑16G modules to ensure ECC function and system stability
Q3: Is ECC necessary?
For enterprise or multitasking environments, ECC helps prevent silent data corruption. It’s essential when data integrity matters.
Q4: Will this improve performance?
Yes—increasing DRAM helps with caching, app performance, virtual machines, and large data transfers in DSM.
Q5: How do I install this memory?
Power off your NAS, install the DIMM into the available slot, then reboot. DSM will auto-detect and apply the new memory.
Q6: How long is the warranty?
5 years manufacturer warranty from Synology .
