Are they kidding me? X570 and Fan - Page 17 - Overclock.net - An Overclocking Community

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Are they kidding me? X570 and Fan

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post #161 of 165 (permalink) Old 07-08-2019, 09:06 AM
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Quote: Originally Posted by Hale59 View Post
MSI MEG X570

Chipset cooling fan noise during CineBench test. So close to the ground is 47.3dBA.
47.3dBA is relatively quiet depending on how silent the rest of your case is. Can you hear that fan at all with the side on?

How does it sound to you? Can you adjust the fan curve on it? I'm looking into getting this mobo for my 3900x.
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post #162 of 165 (permalink) Old 07-08-2019, 09:20 AM
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Quote: Originally Posted by masterkaj View Post
47.3dBA is relatively quiet depending on how silent the rest of your case is. Can you hear that fan at all with the side on?

How does it sound to you? Can you adjust the fan curve on it? I'm looking into getting this mobo for my 3900x.
Not my own test, therefore cannot provide answers. I got the info from this review:
https://gigglehd.com/gg/review/5201838
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post #163 of 165 (permalink) Old 07-08-2019, 09:40 AM
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47 isn't quiet at all, lol

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post #164 of 165 (permalink) Old 07-08-2019, 09:57 AM
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Quote: Originally Posted by deafboy View Post
47 isn't quiet at all, lol
I tend to agree.
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post #165 of 165 (permalink) Old 07-08-2019, 03:54 PM
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Quote: Originally Posted by rems View Post
Even Derbauer thinks the fan is not needed and that there should just be a larger heatsink.
Also x570 chipset seems to consume a lot more watts at idle compared to x470.
https://www.youtube.com/watch?v=qk3PD-4zPN0
Physics-wise you're talking about a 15W chipset cooler (you don't design for typical unless you're a failure of an engineer you design for maximums, there's something called safety factor) that has to fit in ~ 15mm z-height and deal with poor airflow in some flashy cases.

To maintain below 80°C (basically when the MSI fan ramps up) with board temp ~30°C then you are looking at cooling 15W with 3.3°C/W thermal resistance.

Even with a copper heatsink, you need at least around 37mmx37mm at 800LFM airflow: http://enzotechnology.com/performance/cnb_s1l.pdf

If the z-height was ~30mm that would be achievable with far less airflow (~150LFM): http://enzotechnology.com/performance/cnb_s1.pdf

celsia thermal calculator suggests 6.0cm x 4.0cm or 5.0x5.0cm is the right size for a proper finned heatsink of 15mm height; whereas for natural convection (not feasible with massive GPUs over chipset) you're looking at about 9.0cm x 9.0cm which is nearly half the width of an ATX board.

Using aluminum? Your thermal resistance is nearly double.

This is why there's Asrock Steel Legend , Taichi, and MSI Ace using chipset coolers and M.2 coolers combined.


Chipset temperature 80°C gleaned from : https://www.tomshw.de/2019/06/12/lau...slab-exklusiv/


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Also Aorus Xtreme if you are looking at $700 boards



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Last edited by AlphaC; 07-08-2019 at 04:59 PM.
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