Have you recently purchased a new DVA3221 Synology NVR or are you planning the purchase and you are undecided about what RAM memory to buy? This article comes to your aid. The types of memory you can buy for your DVA3221 Synology NVR device are the following:

• Synology 16GB RAM Product Code: D4ECSO-2666-16G
• Nemix 16GB RAM Product Code: MSE21300-628
• Arch 16 GB RAM Product Code: SY16GB2666SOECr2b8-t001
• Samsung 16GB RAM Product Code: M474A2K43BB1-CTD

DVA3221 =  Intel Atom C3538 supports 256GB of RAM synology recommends 32GB in the DVA3221 specs. Two D4ES01-4G is the original RAM model from Synology, already preinstalled on your DVA3221 NVR, but you can remove it to upgrade your RAM up to a maximum capacity of 32GB, and you can choose between the models below:

• You can buy 2 Synology RAM modules 16GB DDR4 CL19 1.2v 2666MHz Product Code: D4ECSO-2666-16G
• You can buy 2 Nemix RAM modules 16GB DDR4 CL19 1.2v 2666MHz Product Code: MSE21300-628
• You can buy 2 Arch RAM modules 16GB DDR4 CL19 1.2v 2666MHz Product Code: SY16GB2666SOECr2b8-t001
• You can buy 2 Samsung RAM modules 16GB DDR4 CL19 1.2v 2666MHz Product Code: M474A2K43BB1-CTD

Note: Two original RAM, which is the D4ES01-4G, is already preinstalled on your DVA3221 NVR so if you remove it, you have two free spots to upgrade your RAM memory.
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?
Note: Synology: 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: Installing non-Synology memory modules may result in system instability or startup failures. Synology does not provide complete product warranty or technical support services if non-Synology memory modules are used for memory expansion. Visit the official Synology website for more information on memory upgrade limitations.
Note: Read my article about Original RAM Memory vs Unofficial RAM.

This post was updated on Thursday / August 11th, 2022 at 12:32 PM