XPS Desktops

Last reply by 07-21-2021 Solved
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2 Bronze

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

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2 Bronze
2 Bronze

First off, choose a cooler that will fit in your Dell XPS case. Next, make sure that cooler supports the LGA1200 socket and make sure that it uses the Intel cooler mounting system (the screws with springs). Other than that, buy from a good brand and you should be able to install it into your XPS motherboard.

Yeah, the Vetroo v5 fits all that criteria.  I like that it uses the spring loaded mounting screws and fits the LGA1200 socket 100%.  And it's widely available at $25.  I don't use the ARGB lighting, but I understand it works well if you have the right connector for it.

Spring loaded screws on a top heavy CPU cooler can be tricky when you have the computer upright.    The heatsink can sag and lose contact with the CPU. 

Seen this happen and had to remove the springs on a Zalman Cooler in a different machine.   Typically you tighten opposite corners until the cooler feels secure.........def trial and error.  Check the cooler when the machine is upright and see it still looks okay.  If you see any sag then you can loosen the bottom screws and tighten the top ones a little to counter gravity..  That sometimes solves the problem. 

Thumbscrews on double sided pins is the best system, can't overtighten.  Screws hardmounting into the backplate would be also be more secure.

I'll check the vetroo after it's been in a while, but I doubt it will be an issue.  Tightening down the cooler per the instructions  (corners rotation) worked well and resulted in what feels like a rock solid attachment.  Probably because the screws tighten directly into the back-plate that is already part of the case.

The force of the attachment seems more than a match for any weight the cooler seems to have (i.e. solid, but not a brick).   Time will tell I guess...


Don't think the installation is a problem with your machine....your temps looks solid.

If you ever want to check this, just run a test with the machine flat and then another upright.


That 120mm fan CPU cooler would be a great alternative to the stock cooler.



I got the Vetroo cooler today, and I wanted to sanity check the process to replace the stock cooler with that one to make sure I have it right. If you'd indulge me, I'd appreciate it.

  • Unscrew and remove the stock cooler
  • Clean old thermal paste from CPU
  • Screw brackets onto motherboard mount points
  • Apply new thermal paste
  • Screw Vetroo cooler onto brackets in the order listed in its documentation
  • Attach fan to heatsink, ensuring that it's blowing toward the back of the case

So basically, it's the same as any other cooler installation, except that you don't install a backplate because the board provides the mount points that the backplate would normally provide.

 ----> For the XPS 8940, you won't use the included Vetroo Intel back-plate at all.

Mount the brackets to the cooler as per the directions in the box.  Then installing the new cooler is just the reverse of uninstalling the old cooler. 

The Vetroo V5 mounting screws will probably need some slight adjustment (they slide in the bracket just for that reason) before final mounting.

Once you clean it, I strongly suggest not immediately re-pasting the CPU, so you can adjust how the screws in the brackets will fit the motherboard screw holes.

First, mount the brackets to the cooler first, then put everything in position and adjust/slide the bracket screws until they match the spacing on the MB screw holes.  Don't screw them down, just assure the fit/spacing.

And then paste the cpu and when you put the vetroo on to mount it, everything will fit perfect and you can just screw it down (4-5 turns each corner, crisscrossing for equal pressure, go firm, but don't over tighten).

And then, you attach the fan, set to blow the air out of the case (i.e. to the back, see my previous photo).



Thanks so much for the clarifications!

One minor question - did you connect the RGB cable to anything, or did you just leave it unlit? The case is opaque so it doesn't really matter, and without looking at the board it feels unlikely that there's even an RGB header, but I'm just curious.

@FuriousBrad  The specs indicate that the fan uses 5V addressable RGB.  There aren't any 12V RGB or 5V ARGB headers on the motherboard and, as you say, what would be the point as the case is dark when closed up.

@Jon-62 Yep, no point whatsoever, it was really just idle curiosity. I wouldn't have hooked it up even if it had the appropriate connector.

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