8 pack DDR4 3600 safe voltage?

fizzy

fizzy

fizzy

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Hi,

Have 4 x 8 Pack Dark Pro 3600 8GB DDR4 sticks in my ASRock X570 Taichi. Had some issues running all four previously - each pair would test fine on XMP settings and 1.35v, but would get some errors in memtest86 using all 4 until I upped the ram voltage to 1.375v.

PC has been fine for a good few months then last couple of days it has been rebooting without warning with only "unexpected reboot" in the windows event logs and no crash event or dump file saved. Even went through windows trying to boot a few times and go into windows recovery mode.

Even restarted during a run of memtest86 off a usb stick. Last try it went through all 4 passes and reported several memory errors. Unclear why it's now giving issues again - is something degrading?

Again, both pairs test out fine on XMP settings with 1.35v. Pc seems stable and not had any crashes when using a single pair of sticks.

Before I try pushing the voltage up anymore, what's the safe voltage for the 8 Pack 3600 sticks?

I have my old 3700X in an MSI B450M Mortar Max board with 4 x corsair Vengeance LPX 3200 8GB sticks and that tests fine. Tried the 8 Pack mem in that and with 2 sticks using XMP no issues, but won't post when I try all 4 - although not played around with any voltage settings on that as yet. May also try the 4 3200 sticks with the Taichi as a test as well.
 
Up to 1.5v is fine, some of the high end B-die kits even have this set for XMP.

You generally want some airflow on the dimms if going over 1.45v though as Bdie is quite temperature sensitive and when it gets warm it can start to throw random errors.

The taichi is a bit finicky with ram from what I've experienced, my brother has that board and it took a lot of faffing to get his 8pack 3600 kit 100% stable when running 3733mhz and it seemed to like TRDRD set to 17 else it would error.
 
Joxeon said:
Up to 1.5v is fine, some of the high end B-die kits even have this set for XMP.

You generally want some airflow on the dimms if going over 1.45v though as Bdie is quite temperature sensitive and when it gets warm it can start to throw random errors.

The taichi is a bit finicky with ram from what I've experienced, my brother has that board and it took a lot of faffing to get his 8pack 3600 kit 100% stable when running 3733mhz and it seemed to like TRDRD set to 17 else it would error.
Click to expand...

Thanks - I'm not pushing the memory beyond it's XMP 3600 rating so hopefully don't have to start messing about with timings a lot. It's odd that it had been passing memtest previously with all 4 sticks when set to 1.375v and only recently started having issues. Set to 1.4v (which actually went to 1.398v) and still getting a few errors with all 4 sticks, although not as many. Will try upping a little more.

Don't know why the voltage bump is needed now unless the memory (or something related) is degrading?
 
It may have just been on the edge of stability so not shown up till now, My brothers taichi went for almost 2 months before then had a memory boot fail which reset it to the stock 2400mhz so it was a pain to find the issue, upping TRDRD from 16 to 17 seemed to fix it though and it's been good for over a year now.
 
Over a year on the following with 8 pack DDR4 (2 x 16GB 3600MHz, CL16)
MEG Unify board

Edit, I tell a lie. Its been a year on those settings, recently updated BIOS to latest version (all RAM settings are the same though)

IbyKdFa.png
 
You can normally run B-Die up to 1.6v with no issues and depending on the bin, heat will be you biggest issue though as they love flipping bits over 50c

247 use, id try and keep it under 1.45v or you may need a fan on them.
 
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