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Best RAM to use with x399 Fatal1ty and 1950 Thread

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Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
Printed Date: 26 Mar 2023 at 2:13pm
Software Version: Web Wiz Forums 12.04 -

Topic: Best RAM to use with x399 Fatal1ty and 1950 Thread
Posted By: 128noGB
Subject: Best RAM to use with x399 Fatal1ty and 1950 Thread
Date Posted: 29 Sep 2017 at 2:32pm
" rel="nofollow - Hey all,

Could you tell me what RAM you've successfully gotten to work with the x399 Fatal1ty in 128GB mode configuration (8x16GB)?

I've tried this:

and something isn't working right (see here:

At this point I'm going to just throw the RAM away or return it, and buy some new RAM ASAP and overnight it.

Could you guys please tell me what RAM in 128GB specifically is working for you on the Threadripper 1950x + x399 Fatal1ty motherboard?


Posted By: ASRock_TSD
Date Posted: 29 Sep 2017 at 3:27pm

Dear Jober,

Greetings, this is ASRock TSD.

We would like to share some memory which are 128GB(8x16GB) with you.

Please refer to the memory QVL and check the RAM corresponding to the following items.

* Make sure the size is "16GB"

* In Quad channel, "v" indicates 8 DIMM slot.

X399 Professional Gaming QVL:" rel="nofollow -

There are some suggestions for you to install 128GB RAM.

1. Make sure each DIMM slot work and each memory is functional.

2. If possible, we would recommend you to install the same memory module which is 8 DIMMs a kit. This could guarantee all module are compatible and have the same quality.   

3. Update to latest BIOS P1.50. Make sure the system load BIOS default before updating.

Link:" rel="nofollow -

How to update:" rel="nofollow -

Thank you!

Have a great day,

Posted By: 128noGB
Date Posted: 29 Sep 2017 at 4:06pm
" rel="nofollow - ASRock_TSD:   Please tell me a memory that specifically works.

I used your QVL list and it does not work for the memory.  Please see here:

I did everything you said.  It does not work.  Please respond to that thread.

Posted By: 128noGB
Date Posted: 30 Sep 2017 at 3:10am
" rel="nofollow - FOR EVERYBODY ELSE:

If you're using the x399 Fatal1ty and 128GB of RAM, would you please tell me which RAM works for you?   As of right now, I'm using the memory linked above, which is QVL, and it does not work.

I'm having dire problems getting this motherboard to work with 8 sticks of:

CORSAIR Vengeance LPX 128GB (8 x 16GB) 288-Pin DDR4 SDRAM DDR4 3000 (PC4 24000) AMD X399 Compatible Desktop Memory Model CMK128GX4M8B3000C16

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