D4ECSO-2666-16G Synology 16GB Memory Module 16GB DDR4-2666
D4ECSO-2666-16G Overview
The Synology D4ECSO-2666-16G is an enterprise-grade 16GB DDR4 memory module specifically engineered for high-availability Network Attached Storage (NAS) servers. Operating at 2666MHz (PC4-21333), 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 SODIMM) architecture built into a compact 260-pin form factor. While standard consumer compact memory leaves data vulnerable to bit-flips, this specialized module integrates Error Correction Code (ECC) circuitry. It operates without an onboard register (unbuffered) to maintain the low-latency responsiveness required by embedded processors.
$1,410
D4ECSO-2666-16G TGechnical Specifications
Synology 16GB DDR4 SDRAM Memory Module For NAS Server DDR4-2666/PC4-21333 DDR4 SDRAM 2666 MHz 1.20V ECC Unbuffered 260-pin SODIMM
Manufacturer: Synology
Part Number: D4ECSO-2666-16G
Capacity: 16 GB
Memory Type: DDR4 SDRAM
Module Type: 260-Pin SO-DIMM (Small Outline DIMM)
Bus Speed: 2666 MHz (PC4-21333 / PC4-21300)
Data Transfer Rate: 21.3 GB/s
Error Correction: ECC (Error Correcting Code)
Signal Processing: Unbuffered (Unbuffered ECC)
Operating Voltage: 1.2V
Form Factor: Small Outline DIMM
Contact Pins: 260-Pin Gold-Plated
Standard: JEDEC compliant
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