If 1.5V doesn't help for one step up, then 1.55V won't either. The 4000/4400 dimms with the same dies are running at 1.45V, so you should be able to hit the same around there.

Loosen the timings first and see if you can raise it then. XMPII selected?

 

XMP is selected yes. I can try to loosen the timings yes.
What should I try? 14-20-20-xx or what? That is my doubt.

 

No such thing as too loose (well, almost never)... 17-18-18-38 looks like a good value but you could go higher. You will need to tune them down later anyway so 20 or 18 doesnt matter much. I'd keep 1.45V, loose timings and try to find a stable frequency first, then lower timings.

No doubt someone with more experience can chime in. I know there is a document on github to help with b-die dimms.

MemTestHelper/DDR4 OC Guide.md at oc-guide · integralfx/MemTestHelper

C# WPF to automate HCI MemTest. Contribute to integralfx/MemTestHelper development by creating an account on GitHub.

github.com

 

Yeah I know that document. SPecially for tighten timings. But for this first part with the frequencies it's different.
Looking for a light OC 4000 with maybe those timings we discussed. Let's see.

Not sure if i will be able to keep the 1.45v but i will try.

 

The thing is, do you wanna stay in gear 1 or go gear 2 high frequency. Those DIMM's should be good for 4400 16-17-17 with ease. Even my 3600C16's can do that much. If you wanna stay gear 1, loose timings like you said, find the highest frequency that the IMC will run stable in gear 1, then tighten timings. You'll probably end up somewhere around 4000 15-16-16 or 3866 14-15-15 around 1.50-1.55v.

 

I was actually aiming for this but not sure if i will get it.

4000 15-15-15-32-2T, 65K REFI and 320 RFC, 1.50V

Yes, I would prefer gear 1.

 

Clarification here, it's under 50 for testing in Tm5 or other software. You might go a bit above that in gaming situations if the airflow is low. In those cases I can go up to about 55 or even approaching 60 without errors, but anything close, at or over 60 errors no matter what with bdie.

 

Error #2

 

Did a full cycle just to see all the errors:
10 and 11
Temp got max to 48C.

 

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10 cycle worked fine with these settings. 52C max.
It's fine i guess.
I can work in the other timings but it's a good bump in performance.

 

Hi pal, i dunno about this kit or the motherboard, but i have been able to consistently, over 12700 and 12900K to push ram to 4000 without issues, but loosing the primaries.
Right now im with asgard B die 32gb kit 4000 16-16-16-36.

I still believe i can push a bit further or tight latencies, but too much work for diminishing returns.

MY config:
G.SKILL TRIDENT Z RGB 32GB (2X16GB) DDR4-3600 CL14
F4-3600C14D-32GTZR
CL14-15-15-35 1.45V
Gear 1

i9-12900KS 5.2 1.20v
DRAM voltage - 1.45v (XMP default)
VCCSA - 1.35v Gear 1
VDDQ (auto) - 1.30v
MOBO - MSI EDGE z690 WIFI DDR4

RAM TIMINGS
View attachment 2581594

Hello everyone,

I am looking to try to get the best possible performance (or at least better) from the low latency kit above.
Of course I can tighten most of the values but i am looking first for either 3800 or 4000 for frequency.

Owners of the same kit or similar configuration, what should be my first steps?
I know the DDR4 OC guide and read most of it but my initial tests didnt helpt that much.
ATTEMPT #1 : simply increased freq. to 3700. no boot.
ATTEMPT #2 : increase DRAM to 1.50v and then freq. to 3700. no boot.

Should I try 3700 with 1.55v next?
Or should i try 1.50v with some loose timings?
14-20-20-35?

All help is amazing. Please share your experiences, opinions.
Just want a bit more from this kit.

 

4000 15-15-15 is like the best you can expect for DR DDR4, so 15-16-16 isn't bad at all.

 

Your sticks are 7.8ns G.Skill Trident Z rgb / 3600C14 7.8ns / 32GB 2 sticks DR
You should be able to do Gear 1 4000 2N 15-16-16-16-36 @ 1.60v
Set a small fan on top of graphics card pointing directly at your ram. Temps will not climb above 39c
Here are your sub timings you will need to fill out the right column that says auto. Do so even if the value is already the same in the left column.
After entering these values your board will do the proper memory training and correctly set the rest of the values automatically.
tRFC 350
trefi 31200
twr 24
twr mr 24
twtr 4
twtr L 8
trrd 4
trrd L 6
trtp 8
trtp MR 12
tFaw 40
tcwl 14
tcwl MR 14
tccd L 6
tccd L MR 6
P.S. trefi increases performance as the number goes up. 31200 is a good middle ground between stable and high performance.

 

Your sticks are 7.8ns G.Skill Trident Z rgb / 3600C14 7.8ns / 32GB 2 sticks DR
You should be able to do Gear 1 4000 2N 15-16-16-16-36 @ 1.60v
Set a small fan on top of graphics card pointing directly at your ram. Temps will not climb above 39c
Here are your sub timings you will need to fill out the right column that says auto. Do so even if the value is already the same in the left column.
After entering these values your board will do the proper memory training and correctly set the rest of the values automatically.
tRFC 350
trefi 31200
twr 24
twr mr 24
twtr 4
twtr L 8
trrd 4
trrd L 6
trtp 8
trtp MR 12
tFaw 40
tcwl 14
tcwl MR 14
tccd L 6
tccd L MR 6
P.S. trefi increases performance as the number goes up. 31200 is a good middle ground between stable and high performance.

Thanks for these.
Indeed I got 1.50v 15-16-16-36-320-2T stable before you posted these.
I am actually tighten these at the moment and everything stable.

Thought about the fan ram but still thinking about it

 

You can get stability at 1.5 due to looser sub timings and Latency timings being set automatically by the board. It doesn't translate into the best performance though. You will need to do some testing to see what I mean.
Passmark Performance Test is a good utility for testing the results of not just stability, but also the resulting performance. Too stability @ 1.5 can quickly disappear as you push the CPU clocks higher. Really depends on what level of performance your going for. I keep all my B-die @ 1.6v for everyday computing.
Here is a good fan to use. It has a switch for fast or silent mode. It has rubber feet so you can just sit it atop the graphics card aiming right at your ram. B-die will be happiest if you keep it under 40c, and 45c or above is where you will straight up have issues.

Looks like you may have got a better than average yield for your ram kit, so you might as well feed it some real speed!

 

@SnowMan Passmark Performance Test rylly
You are using buggy HW monitor .why not best HWinfo64 ???

https://www.amazon.com/Corsair-Vengeance-Airflow-Cooling-CMYAF/dp/B00GU9UG9A ram fan

https://www.corsair.com/eu/en/Categories/Products/Accessories-%7C-Parts/Dominator-Airflow-Platinum-RGB-Fan/p/CMDAF2

 

You are using buggy HW monitor .why not best HWinfo64 ???

There are more than a billion people on the planet today that use chopsticks. 😁Myself I prefer a knife and fork.

 

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yes it helps

not end 3 loops no error Antae xtreme