D4EC-2666-8G Synology 8GB DDR4-2666MHz DIMM Memory Module
D4EC-2666-8G Overview
The Synology D4EC-2666-8G is an enterprise-grade 8GB DDR4 memory module specifically engineered for high-availability Network Attached Storage (NAS) servers. Operating at 2666MHz (PC4-21300), it provides a specialized, high-reliability data foundation designed to handle continuous file indexing, virtualization instances, containerized applications, and intensive backup orchestration.
A defining characteristic of this module is its Unbuffered ECC (ECC UDIMM) architecture built into a standard 288-pin desktop/rackmount form factor. While standard consumer desktop memory leaves data vulnerable to bit-flips, this specialized module integrates Error Correction Code (ECC) circuitry.
$800
D4EC-2666-8G Technical Specifications
Synology 8GB PC4-21300 DDR4-2666MHz ECC Unbuffered CL19 288-Pin DIMM 1.2V Dual Rank Memory Module
Manufacturer: Synology
Part Number: D4EC-2666-8G
Capacity: 8 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
CAS Latency: CL19
Error Correction: ECC (Error Correcting Code)
Signal Processing: Unbuffered
Rank Architecture: Dual Rank (2Rx8)
Operating Voltage: 1.2V
Form Factor: Standard DIMM Height
Contact Pins: 288-Pin Gold-Plated
Standard: JEDEC compliant
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