Synology 8GB DDR4-2666 ECC Unbuffered UDIMM Enterprise Memory
UPC: 846504003525
MPN: D4EC-2666-8G
Brand: Synology
Type: DDR4 SDRAM
Form Factor: DIMM
Number of Modules: 1
Total Capacity: 8 GB
Capacity per Module: 8 GB
Bus Speed: PC4-21300 (DDR4-2666)
Memory Features: ECC Memory
Model: D4EC-2666-8G
Technical Architecture & Memory Specifications
This Synology-branded memory module features a Single Rank (1Rx8) organization designed for high-performance data environments. Operating at a native 2666MHz frequency with a CAS latency of CL19, it provides the necessary bandwidth for intensive NAS operations while maintaining a low 1.2V power profile.
- Error Correction Code (ECC): Actively detects and corrects single-bit memory errors to prevent system crashes and data corruption.
- Unbuffered Design: Optimized for specific workstation and NAS architectures that require UDIMM rather than Registered memory.
Platform Compatibility & Server/Desktop Application
This module is specifically engineered and validated for Synology enterprise hardware. It ensures maximum stability for high-end RackStation and SA/UC series units, particularly in multi-user environments and virtualization setups.
- Validated Systems: Fully compatible with RS1619xs+, RS3617xs+, RS3617RPxs, RS3618xs, and RS4017xs+.
- Enterprise Storage: Optimized for Synology SA3200D and UC3200 dual-controller systems.
- JEDEC Compliance: Adheres to strict JEDEC raw card specifications for 2666MT/s ECC UDIMMs.
Alternative Models & Cross-Brand Equivalents (SEO Matrix)
For buyers cross-referencing specific PC builds or motherboard QVL lists, this item shares identical core specifications with, or is a direct physical variant of, the following manufacturer part numbers:
- Same-Brand Variants: D4EC-2666-16G, D4ECSO-2666-16G, D4ER01-16G, D4ES01-8G, D4EU01-8G
- Competitor Equivalents: Kingston KSM26ES8/8ME, Crucial CT8G4WFS8266, Micron MTA9ASF1G72AZ-2G6, Samsung M391A1K43BB1-CTD
Professional Grade Stability
Synology memory modules are built with high-quality components and undergo rigorous stress testing to ensure reliability in 24/7 uptime environments. By utilizing ECC UDIMM technology, this module provides a critical layer of protection for business-critical data, making it the ideal choice for professional storage servers and enterprise-grade networking hardware.
