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  Topic Review (Newest First)
02-19-2020 03:41 AM
Wam7 After seeing some of the exploits @reachthesky and @iunlock had achieved with RAM overclocking I thought I'd get some Team Group Xtreem C18 4000Mhz (B-die).
I started by testing it at XMP but I was a little surprised to see that when on Auto the SA/IO volrages are at 1.38v in HWInfo, the same as VDimm.
I presume it is OK for me to leave it at that even though I seem remember from a while back seeing a video by Buildzoid who stated that 1.35v should be the max 24/7?
02-18-2020 09:54 PM
reachthesky 1.5v vdimm 1.3 sa/io [email protected] better latency than 4133 at identical timings....at 70mv less vdimm lol.

02-18-2020 06:07 PM
warbucks
Quote: Originally Posted by iunlock View Post
Hey there fellow KS owner, what bios are you running with the KS? Have you had any issues with any of the bios versions for the Master? If so, which version etc... I'm currently on the modded f10b and it has been working great with my K and KF's but I"m about to swap in the KS.

It looks like @Lurifaks was on f11c with his KS... hmmm
https://www.overclock.net/forum/28310310-post7409.html
I'm using f11c modded(I modded it myself to include latest orom's, but using the faster/older microcodes).
02-18-2020 05:59 PM
iunlock
Quote: Originally Posted by reachthesky View Post
Check this out, its a nice tool for calculating latency

https://notkyon.moe/ram-latency.htm

Curious, what have you tried clocking your sticks to? I'm pretty sure that cl14 3200 can be brought up to cl17 4000/4133. Which board are you on? etc etc.

I tried to get cl15-4100-4200 stable on those sticks, wasn't happening. Couldn't get cl16-4200 either. Both xmp profiles were nopes when it came to stability as well. I've seen the kit used to success on the z390 apex/gene with a special bios version and on amd(downclocked to 3800? or w/e at cl14-16-16 or something like that).
As yes neat little tool, had that bookmarked, but haven't revisited it for ages since there are too many factors to RAM in general. A simple calculation of even taking the speed and dividing it by the Cas comes with many missing factors that can have an impact on RAM's performance etc...

BTW I saw some of your threads while searching about the patriot 4400 kit.. they are on sale right now. I have the 4000 kit 8x8GB on the 3970x build and they scale very well... I'm actually looking forward to testing and tuning those some more when I can get around to it, but they were pulling some impressive numbers in terms of timings / frequency ...
02-18-2020 05:53 PM
iunlock
Quote: Originally Posted by warbucks View Post
As of yesterday my 9900KS is now delided and being cooled using the rockitcool direct die frame. Dropped load temps by about 12C. I'm running OCCT avx2 right now, just passed the 60 minute mark(90 minute test), VROUT is reading 1.32V-1.33V, cpu is at 5.2Ghz and 4.8Ghz cache. Temps are in the 80-85C range(Ambient is 24C right now, my wife likes the house hot in the winter lol).
Hey there fellow KS owner, what bios are you running with the KS? Have you had any issues with any of the bios versions for the Master? If so, which version etc... I'm currently on the modded f10b and it has been working great with my K and KF's but I"m about to swap in the KS.

It looks like @Lurifaks was on f11c with his KS... hmmm
https://www.overclock.net/forum/28310310-post7409.html
02-18-2020 04:26 PM
reachthesky
Quote: Originally Posted by KrampusKlaus View Post
What about lower frequencies and higher timings? 4400 @CL19 for $135 a kit is pretty bonkers. But even getting like 4000 @ CL15 or like 4200 @ CL16 would be pretty sweet.

Edit: I now realize that those speeds and timings would probably have much lower latency than 4400 CL19...
Check this out, its a nice tool for calculating latency

https://notkyon.moe/ram-latency.htm

Curious, what have you tried clocking your sticks to? I'm pretty sure that cl14 3200 can be brought up to cl17 4000/4133. Which board are you on? etc etc.

I tried to get cl15-3900-4200 stable on those 4400 viper sticks, wasn't happening. Couldn't get cl16-4200 either. Both xmp profiles were nopes when it came to stability as well. I've seen the kit used to success on the z390 apex/gene with a special bios version and on amd(downclocked to 3800? or w/e at cl14-16-16 or something like that). I don't recommend that kit for these aorus boards. I'd keep working at ocing the cl14 3200 sticks.
02-18-2020 03:21 PM
Intrud3r Time to test other stuff ... this seems ok.
02-18-2020 03:00 PM
sygnus21
Quote: Originally Posted by KrampusKlaus View Post
*sigh* I guess Buildzoid won the silicon lottery with the kit that he bought.

I’ll just have to be satisfied with what I have. 3200 CL14 seems to perform pretty well.
Don't get caught up in the opinions of others. If you read this thread their RAM isn't exactly lighting up the world either. Remember overclocking is a crap shoot as to how high far any component can overclock - not just CPU, but also RAM.
02-18-2020 02:41 PM
wholeeo My go to is VMware Fusion on MacOS. If I’m unstable that thing will crash instantly.
02-18-2020 02:33 PM
KrampusKlaus
Quote: Originally Posted by reachthesky View Post
Just a heads up, You may find that you can pass a memtest at lower sa/io but may run into games like bfv/apex crashing, they typically demand a little bit more for stability.
Of all of my games, Jedi Fallen Order will sniff out an unstable memory overlock within minutes. It’s like barely stable overclocks are Jedi that survived the purge, and JFO is an inquisitor with a helicopter lightsaber and over the top helmet + cape ensemble.
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