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Can Taichi x399 handle a 32GB sized Ram Stick£

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Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
Printed Date: 05 Jul 2022 at 8:31am
Software Version: Web Wiz Forums 12.04 -

Topic: Can Taichi x399 handle a 32GB sized Ram Stick£
Posted By: 90sWebDev
Subject: Can Taichi x399 handle a 32GB sized Ram Stick£
Date Posted: 12 May 2022 at 5:53am
I looked all over the internet and I can't find the answer.

I have Taichi x399 motherboard with AMD Threadripper 1950x.

Taichi x399 motherboard supports max of 128GB of Ram.
Taichi x399 motherboard has 8 Dimm slots.
But how big can each ram stick be? Is the max 16GB dimms?

I'm trying to max out the ram to the maximum 128 GB limit. Should I go with 8 sticks of 16 GB each, 8x16=128, or 4 sticks of 32 GB each, 4x32=128.

Thank you so much!

Posted By: Xaltar
Date Posted: 12 May 2022 at 1:36pm" rel="nofollow -

Ask ASRock Tech Support if the RAM you are considering will work in the config
you intend to use. More often than not, if they have the kit you are considering
in their lab, they will test it with your board model for you.

Be sure to list a model number for the kit you are considering. It may well be
possible to install 256gb of RAM on your board, 32gb RAM modules did not exist
when the board was released.


Posted By: 90sWebDev
Date Posted: 13 May 2022 at 6:04pm
They got back to me, they said no. The maximum sized RAM stick is 16GB for the Taichi x399 regardless of bios updates.

So future readers know. NO you cannot put 32 GB sized RAM sticks in this motherboard. 16GB sized sticks and below only.

Posted By: Xaltar
Date Posted: 14 May 2022 at 6:51am
Thanks for sharing the info


Posted By: kerberos_20
Date Posted: 15 May 2022 at 12:42pm
looking at bios programing papers for zen 1, there is reserved space for DRAM adress mapping, since 3 bits are there reserved for future, cant you just add it? or it needs support from amd first?

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