Technical Specifications
ECC SODIMM for Synology DiskStation DS1821+
Module Density: 16GB
Form Factor: ECC SODIMM
Technology Speed: DDR4 2666MHz PC4-21300
Rank: 2Rx8
Voltage: 1.2V
ECC: ECC
Buffered: Unbuffered
Compatible With: D4ES01-8G, D4ES03-8G, D4ES03-16G, D4ECSO-2666-16G
Compatible Machines: Synology DiskStation DS1821+
Synology DiskStation DS1821+
The Synology DiskStation DS1821+ supports 2 slots of upgradable memory, with a maximum capacity of 32GB. It is compatible with our ECC SODIMM modules for high-performance operation.
NEMIX RAM memory upgrades for the Synology DiskStation DS1821+ are backed by a lifetime replacement warranty.
Our modules are researched, matched, and compatibility-tested using top-tier components from leading suppliers such as Samsung, Micron, and Hynix, ensuring compliance with
industry standards like JEDEC and CE requirements.
ALTERNATE CONFIGURATION SOLUTIONS
Also available for this machine
- SYNOLOGY OEM Compatible D4ES01-8G / D4ES02-8G | 8GB DDR4 2666MHz PC4-21300 ECC SODIMM
- SYNOLOGY OEM Compatible D4ECSO-2666-16G | 16GB DDR4 2666MHz PC4-21300 ECC SODIMM
Memory speed and module type are not interchangeable — choose the page that matches your system.
Description
NEMIX RAM memory upgrade for Synology DiskStation DS1821+: a 8GB to 16GB DDR4-2666 PC4-21300 ECC SODIMM module selected as a drop-in, compatibility-tested replacement. 2Rx8, 1.2V, 260-pin, Unbuffered, JEDEC-compliant for stable operation in NAS, edge servers and mobile workstations. Researched, matched, and compatibility-tested by NEMIX RAM, a US-based server memory specialist since 1993, and backed by a lifetime warranty. Volume, reseller, and B2B pricing available on request — contact our sales team for a quote.




