Synology: Which RAM to Buy For DS1821+ NAS

Synology Which RAM to Buy For DS1621+ NAS

Have you recently purchased a new DS1821+ Synology NAS or are you planning the purchase and you are undecided about what RAM memory to buy? This article comes to your aid. The kind of memory you will need to buy for your DS1821+ Synology NAS device is Samsung 16GB DDR4 CL19 2666MHz Product Code: M474A2K43BB1-CTD or Arch Memory 16GB 260-Pin DDR4-2666 ECC Sodimm RAM Product Code: SY16GB2666SOECr2b8-t001 or the official Synology RAM module D4ECSO-2666-16G.

Synology NAS DS1821+ Compatible RAM memory tested

DS1821+ = AMD Ryzen V1500B Supports 32 GB RAM.

You can buy 2 module Samsung 16GB DDR4 CL19 2666MHz Product Code: M474A2K43BB1-CTD

You can buy 2 module Synology 16GB DDR4 CL19 2666MHz Product Code: D4ECSO-2666-16G

You can buy 2 module Arch 16GB DDR4 CL19 2666MHz Product Code: SY16GB2666SOECr2b8-t001

Note: As you well know, I do not sponsor any products, nor does my website sell or earn anything or make any kind of profit off the sale of any product. My recommendations are genuine.
Note: Read more about RAM CL Latency – Synology: What is RAM CL Latency?
NoteSynology: How Long Does The Memory Test Last?
Note: mariushosting is not responsible for any malfunctions that may result from the instructions given above. The tests are done exclusively by me and I like to share them with the rest of the world.
Note: Blogs and forums recommend the 16GB RAM module from other brands. However, some users have shared with me that different brands CL19 RAM memory has some incompatibility issues with DS1821+ NAS. DSM will show a notification listing others brands as non official at every start up/reboot. The notification will saySystem Event: Detected non-Synology memory module. Please refer to our official website and select authentic Synology memory modules for better system reliability.

This post was updated on Tuesday / December 15th, 2020 at 1:29 AM