Maximus X Formula VRM Temp

[Batman1982]

Hi,
i got my new Formula and it works fine.
Bios Version 0802
( ok need a little bit more V-Core to my Hero before but thats ok for me 0,015v more )

But my Vrm Temps are i little bit to high in my opinion.
I´ve overclocked my 8700K to 5Ghz with 1,355V Bios LLC5 - after drop in Linx 1,312v .
My VRM temperature is 80 degrees, water is 25-26°C ( Mora 420 + 2 480 Radiators) , my current draw is 185W - 190W

That temperature is higher than my previous X299 Rampage VI Extreme with Monoblock and 7900K @4.8GHZ - there i was at 65-70° C with 290W

Is this VRM Temperature normal or is there a issue maybe with the Thermal Pads under the VRM section Cooler?

Does anyone knows how thick the original Thermal Pad is? So i will change the original Thermal to a better one maybe it helps.
Or is 80°C ok ? My Hero before did not have a VRM Sensor so i don´t know how hot the VRMs are.

[Menthol]

Well Batman you may be the first person to post with a X Formula
Is your VRM block connected to your loop?
If you want to change thermal pads you may have to remove and check or purchase a couple different thicknesses
Or you can remove VRM heatsink and apply a very thin layer of non conductive TIM, or check the screws that hold the heatsink to motherboard to make sure they are thightened correctly

[Hamel_C]

I've found same case reports of VRM temp being abnormally high in Korean forums.

The issue seems to be caused by stock thermal pads included within the VRM heatsink; they are not in close contact with the VRM itself.



As you can see in the picture, thermal pads on the top is missing a "pressed mark" from the VRM.

You can probably replace the thermal pads that are thicker to solve this issue.
(But this may void the warranty provided from ASUS itself - can anyone from ASUS confirm this?)

[domi1711]

Raja, please enlighten us.
How thick should the replacement Pads be?

[z0ki]

I've finished my Maximus X Formula build and VRMs are perfect. Albeit I have them under water they're literally getting no hotter than 59c

Sent from my SM-G925I using Tapatalk

[domi1711]

Under what load did you measure the vrm temps? Prime 1344 AVX?
I will test it today and post results.

[Hamel_C]

domi1711 wrote:
Under what load did you measure the vrm temps? Prime 1344 AVX?
I will test it today and post results.

Will be waiting for your result for reference.

[Phillyflyer]

Just ordered this board...will receive in 2 days and running full custom loop ....will post results on how this board performs @ 5.0ghz.

[domi1711]

Tested the VRM Temps Yesterday:
latest Version of Prime AVX, 1344K, very mild airflow around CPU Socket (Fan @ 800RPM), VRMs reached 60 degrees (40 deg delta) after 30 minutes -> VRMs were not watercooled!
I think these numbers are fine.
Although this is just one figure. I will check if the Thermal pad makes good contact with the VRMs once i find time.

[Hamel_C]

domi1711 wrote:
Tested the VRM Temps Yesterday:
latest Version of Prime AVX, 1344K, very mild airflow around CPU Socket (Fan @ 800RPM), VRMs reached 60 degrees (40 deg delta) after 30 minutes -> VRMs were not watercooled!
I think these numbers are fine.
Although this is just one figure. I will check if the Thermal pad makes good contact with the VRMs once i find time.

Were your CPU overclocked?

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