D4EC-2666-16G Synology 16GB PC4-21300 288-pin DDR4 SDRAM UDIMM
D4EC-2666-16G Overview
The Synology D4EC-2666-16G is a specialized, server-grade 16GB DDR4 memory module specifically engineered for high-performance Synology Network Attached Storage (NAS) enclosures. Operating at a native speed of 2666MHz (PC4-21300), it provides a stable, high-bandwidth memory expansion designed to handle demanding enterprise data pipelines, containerized applications (Docker), virtualization hosting, and continuous backup streams.
A defining characteristic of this module is its ECC Unbuffered (ECC UDIMM) architecture packaged into a standard 288-pin form factor. Unlike standard consumer desktop RAM, it includes dedicated error-correcting circuitry to protect data integrity, but omits the register buffers found in large virtualization server RAM.
$1,699.00
D4EC-2666-16G Technical Specifications
Synology 16GB PC4-21300 288-pin DDR4 SDRAM UDIMM
| Manufacturer | Synology |
|---|---|
| Part Number | D4EC-2666-16G |
| Capacity | 16 GB |
| Memory Type | DDR4 SDRAM |
| Module Type | 288-Pin UDIMM (ECC Unbuffered DIMM) |
| Bus Speed | 2666 MHz (PC4-21300) |
| Data Transfer Rate | 21.3 GB/s |
| Error Correction | ECC (Error Correcting Code) |
| Signal Processing | Unbuffered |
| Operating Voltage | 1.2V |
| Form Factor | Standard DIMM Height |
| Contact Pins | 288-Pin Gold-Plated |
| Standard | JEDEC compliant |
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