2 different RAMs of size and frequency work?

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   Hi,
I'm using a 8GB ram now but I want to upgrade my RAM.
So I have a question, can I use another 16GB RAM to AB350M-HDV along with the current 8 GB?
Is there any side effect or problem?

Thanks for helping.

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Bourdu Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 11 Nov 2017 Status: Offline Points: 12	Post Options Post Reply Quote Bourdu Report Post Thanks(0) Quote Reply Topic: 2 different RAMs of size and frequency work? Posted: 21 May 2019 at 1:58pm
	Hi, I'm using a 8GB ram now but I want to upgrade my RAM. So I have a question, can I use another 16GB RAM to AB350M-HDV along with the current 8 GB? Is there any side effect or problem? Thanks for helping.

ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 8532	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply Posted: 21 May 2019 at 2:13pm
	Dear Bourdu, Greetings, this is ASRock TSD. For system stable and also dual channel activation, both memory modules should be identical and also coming from the same memory kit (2 x 8GB or 2 x 16GB). If install a 8GB memory + 16GB memory, the system may unstable or the performance will lower than your expectation. If you'd like to upgrade system memory, please refer to our QVL to install supported module. https://www.asrock.com/MB/AMD/AB350M-HDV/index.asp#Memory Thanks! All the best, ASRock TSD

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 22778	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 21 May 2019 at 6:52pm
	In short, it will probably work but you will not get dual channel operation so performance will be no better than a single module. If all you care about is capacity then the performance will remain unchanged from what you have now but you will have more RAM available to your games/applications. ASRock does NOT recommend this config as it is outside of the optimal operating parameters of your hardware. My saying it will work is based on personal experience. It will work only if both modules are fully compatible with your board and again, not in dual channel.