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Last reply by 07-21-2021 Solved
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2 Jasper
2 Jasper
153440

XPS 8940, Better 3rd party cooler

Hello there

I would greatly appreciate any help to find a new/better 3rd party cooler for my XPS 8940. It came with the thin and small stock cooler and is overheating the whole time. I got a i9-10900 processor with 128 GB of RAM and I need this computer to generate some GIS layers. These jobs take 2-4 hrs every time and I can see that the processor is throttling or C° 97+ all the time.

I tried the Noctua 15S but the problem is there is no space for the bracket under the motherboard. The stock fan screws directly into the chassis from above.

Thank you very much

Replies (929)
2613

Is the 8940 fan pins standard now or do they require some wiring swap?  I have a nice HP heatsink I would like to replace the OEM dell 8940 with.  https://imgur.com/a/LEVVeSf

2552

After a quick Google, the error code you posted appears to be related to a problem with the CPU cooler / fan.  Check that the fan is plugged in correctly and spins when you attempt to start the computer.

2380

Also did a thorough search on google and with Dell technical support.

CPU fan was connected to motherboard in the correct spot. It was spinning with my modified fans, and was also spinning when I got the stock CPU cooler back in. 

 

I swapped around a lot of things and the error persisted.

2276

where can I get one of these? I would like to do this to mine

2549

Same 4 pin setup as the Dell so It should work.  Doesn't hurt to try.

1613

Thanks for your sharing.

I just got the NH-U9S on my pc.

I just plug in the port of the CPU fan on the motherboard, and there is no problem when I boot on the machine.

It works well. The temperature of the CPU is under 70 degrees when it is fully loaded.88686290ce3890d8036453cfed8f026.jpge93c438544a876cda5dcd980b9e4af5.jpgfbca9bdd148ff9d7c941aee2fbe8eae.jpg

 

8795

Thank you to everyone who has contributed to this thread, it's been very helpful. Like everyone else, I was disappointed to see the tat pancake cooler on my i7-10700 (non-k).

I can confirm that Arctic freezer i13x fits easily with no extra screws required. The standoffs supplied with the cooler screw directly into the mounts used by the dell 'cooler'.

20210320_190548.jpg

Then fit the rest of the mounting kit

20210320_190806.jpg20210320_192201.jpg

Hardest part was getting the fan cable on the header - need smaller fingers.

Not had any bios errors when booting, using the latest bios 2.0.11 i think.

Like others, temps have gone from 100degC and cores thermally limiting to max 80-ish under stress test with the CPU clearly maintaining a higher boost multiplier throughout. Oh and barely audible.

Thanks all!

20210320_192514.jpg

 

8248

@dhufto That's good news.  My Arctic Freezer i13 X CO arrived today and I'll be fitting it soon.

I've already replaced the original exhaust fan with an Arctic F9 PWM and I've now fitted an Arctic F12 PWM in the front HDD location using a 3D printed mount made to the design by @purpledrillmonkey (costing £5.94).  I thought the F9 was quite loud, but since adding the F12, the overall noise level has dropped.

For those interested, the GeForce RTX 2060 temperatures have not changed since fitting the F12 at the front. 

2372

28419A28-8C2B-42BD-9DF7-8A96D8C8DA02.jpeg

Its done, thanks Community  

My Black Beauty NH9S Chromax Black edition is installed and tested. 

Case fan is currently the standard Dell one (update not needed at the moment).

Room temp 20°C

Temperatures during gaming 64°C (BF5)

Temperatures during normal operation 34°C

2380

Also updated to Noctua fans (NH-U9S). Huge improvement. The noise of GeForce 1650 Super is not good / not bad. Unfortunately the fan in the PSU is super noise. Can somebody confirm that? Any recommended replacements for PSU fan?

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