Threadripper 1950x, Taichi x399, 4*16GB RAM at 3200Mhz?

ConnJose

ConnJose

ConnJose

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31 Dec 2018
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Hello All.

I have been doing a lot of reading/searching of late looking for a 4*16GB RAM kit for a Threadripper 1950x and an Asrock Taichi x399 Motherboard that runs at 3200 MHz. I was unable to find a kit that definitively works on that setup at that speed?

The Asrock QVL does not list such kits that I can see. Various forums say things like “Should be ok” but due to the high price of these kits I was hoping for more than a “Should be ok”. Also, while one forum quote might say “These RAMs work”, on a different forum people would be saying “Those DIMMs are not working”.

I will be using the new machine mainly for 3d Rendering/Modelling and Texture painting.

Is there anybody here who is using the components I have mentioned and can recommend a 4*16GB RAM kit? While I don’t have endless pockets, I accept I may have to pay a premium for what I want. Any insight would be greatly appreciated.
 
Kitfit1, Thanks for the prompt reply.

The kit you mentioned just became my front runner. I may have to sell a kidney to be able to afford them, but the ability to return them to a vendor close by is very desirable.
 
ConnJose said:
Kitfit1, Thanks for the prompt reply.

The kit you mentioned just became my front runner. I may have to sell a kidney to be able to afford them, but the ability to return them to a vendor close by is very desirable.
Click to expand...

To be honest, it wouldn't surprise me in the least if that kit ran at 3333Mhz at the same timings and same voltage. But if 8Pack says it will run as advertised, then it will.
 
@ConnJose

I have the same setup but use 8 Packs TG Pro 3200Mhz (4x8GB)

I could'nt get them stable at 3200 CL14 and after advice in the 8 Pack thread managed 3400 CL16 stable for 20 hours.
 
Just an update.
Initially when I installed all four modules and changed the xmp profile to 3200MHz, the machine would not post at all, had to clear cmos and reboot at 2400MHz.
When I removed two DIMMs the 3200MHz profile worked fine.
When I added back in the two removed DIMMs the machine booted fine with the 3200 speed.
CPUZ reports DRAM Frequency at 1596.2, which I am happy with.I imagine I could probably squeeze some more juice out of this machine? but am happy enough with it.

Thanks for the input, much appreciated !
 
ConnJose said:
Just an update.
Initially when I installed all four modules and changed the xmp profile to 3200MHz, the machine would not post at all, had to clear cmos and reboot at 2400MHz.
When I removed two DIMMs the 3200MHz profile worked fine.
When I added back in the two removed DIMMs the machine booted fine with the 3200 speed.
CPUZ reports DRAM Frequency at 1596.2, which I am happy with.I imagine I could probably squeeze some more juice out of this machine? but am happy enough with it.

Thanks for the input, much appreciated !
Click to expand...

With a small bump in Dram voltage to 1.37v, the ram will more than likely run at 3333Mhz. Just change the ram speed from 3200Mhz to 3333Mhz and bump the voltage up to 1.37v and give it a go. No need to change any other ram settings at this stage.
 
Hello all.

Just looking for more advice. (Measure twice, cut once).

With the above-mentioned spec and RAM, I have found the system to be unstable.

With two DIMMs the PC will run the XMP 3200 profile no problem, but when I have four DIMMs in at 3200 speed the PC crashes randomly.

I was getting Kmode exception and IRQ error messages during crashes which sent me looking for driver issues, exhausted that investigation and did a clean install. With a min config set up, crashes keep occurring with 4*16GB@3200.

Kitfit1, before I try going to 3333 speed, is there anything I can do to get the pc running stable at 3200 speed ?

Forgive me for being over cautious.
 
ConnJose said:
Hello all.

Just looking for more advice. (Measure twice, cut once).

With the above-mentioned spec and RAM, I have found the system to be unstable.

With two DIMMs the PC will run the XMP 3200 profile no problem, but when I have four DIMMs in at 3200 speed the PC crashes randomly.

I was getting Kmode exception and IRQ error messages during crashes which sent me looking for driver issues, exhausted that investigation and did a clean install. With a min config set up, crashes keep occurring with 4*16GB@3200.

Kitfit1, before I try going to 3333 speed, is there anything I can do to get the pc running stable at 3200 speed ?

Forgive me for being over cautious.
Click to expand...

As i don't have the same platform or mobo as you Connjose, i can only go from my own experience.

Most AM4 mobos default to 1.034 SOC voltage. For Zen+ that is far too much. My advice would be dropping your SOC voltage at least 1.0125v in the first place. Assuming that you have that ability in your mobo ?
 
Hi Kitfit1/All. I dropped what I believe to be SOC to 1.012(would not accept .0005 increment) and the machine ran for a good few hours at 3200. However , after a failed restart from sleep mode things got a little crashy.

On rebooting from the wall socket I could see in BIOS that the BIOS was keeping the 3200 setting but the PC became quite unstable after the first failed reboot from sleep mode. I manually dropped back to 2400 speed for a while then tried 3200 with 1.012 SOC again.
However, that time I noticed I could only set SOC to be 1.01 or 1.02, the board seems to go in those increments and I must have missed that the first time round.

Anyhoos, I am currently running at 3000 XMP Default to see if that remains stable. I will try and upload BIOS images to see if you spot anything obvious.

50829513_339818130197506_7940879443466125312_n.jpg

50818531_339818166864169_7018118123786076160_o.jpg
 
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