rh310
2 Iron

Re: XPS 8930 SE, top fan not same as XPS 8920

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From what I've read, certain level (K?) CPU's get that heatsink/fan combo.  My 8920 had the same one and has a K CPU.  

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546insp
3 Cadmium

Re: XPS 8930 SE, top fan not same as XPS 8920

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@rh310 wrote:

From what I've read, certain level (K?) CPU's get that heatsink/fan combo.  My 8920 had the same one and has a K CPU.  


Instead of just using that circular fan on the overclockable cpu's they should have put them on all of them. Don't they know there is a big fan noise problem? Skimp and lose sales; makes no sense to me. I would never buy an 8930 now that I know what they did to the upper case fan (92mm), and knowing how noisy my 8920 was before I added a lower front fan with ALL the air coming from outside, and all the tape I had to use to block all the extraneous air to make it work right.

 

Dell XPS 8920 silver edition
7th gen i7 Intel CPU
Samsung 850 evo SSD for boot
Added front fan
16gb of memory
AMD video/graphic card
I buy a new Dell every 4 years for the last 25 years

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rh310
2 Iron

Re: XPS 8930 SE, top fan not same as XPS 8920

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Given that - with gentle encouragement and persistence on my part - Dell was willing and able to obtain and install the 120mm that should have been there in the first place (and WAS there in my 8920), I wouldn't hesitate to get the 8930 and it's the reason I didn't return it.  So I appreciate they did that.  In the end they probably achieve their goal of cost savings because how many people other than this small tight knit group are going to even notice the new smaller fan?  

I don't have a big a grief over the CPU fan because I've only had the K series CPU's.  But if I didn't, then yes, why not use the better cooling solution on all their models.  I suppose I can appreciate that someone along the way decided the K series NEEDED something more and took the time to implement that.  But maybe it would just never passed testing without it.  Who knows.  

As far as fan noise, I've never had that issue on any Dell.  But then I don't game or do allot that would run the system hard for an extended time.  I guess that's where all the liquid cooling stuff comes into play.  

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546insp
3 Cadmium

Re: XPS 8930 SE, top fan not same as XPS 8920

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@rh310 wrote:

Given that - with gentle encouragement and persistence on my part - Dell was willing and able to obtain and install the 120mm that should have been there in the first place (and WAS there in my 8920), I wouldn't hesitate to get the 8930 and it's the reason I didn't return it.  So I appreciate they did that.  In the end they probably achieve their goal of cost savings because how many people other than this small tight knit group are going to even notice the new smaller fan?  

I don't have a big a grief over the CPU fan because I've only had the K series CPU's.  But if I didn't, then yes, why not use the better cooling solution on all their models.  I suppose I can appreciate that someone along the way decided the K series NEEDED something more and took the time to implement that.  But maybe it would just never passed testing without it.  Who knows.  

As far as fan noise, I've never had that issue on any Dell.  But then I don't game or do allot that would run the system hard for an extended time.  I guess that's where all the liquid cooling stuff comes into play.  

Probably a lot, all I had to do is run YouTube and a virus scan at the same time and it sounded like a jet fighter plane's afterburner, and that's with the 120mm fan in the top rear. That was definitely a bad move on Dell's part.


 

Dell XPS 8920 silver edition
7th gen i7 Intel CPU
Samsung 850 evo SSD for boot
Added front fan
16gb of memory
AMD video/graphic card
I buy a new Dell every 4 years for the last 25 years

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ryfly
1 Copper

Re: XPS 8930 SE, top fan not same as XPS 8920

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I'm in the same situation. I spoke with support today and they were unwilling to upgrade my fan without first trying out a new 92mm fan. I wasn't even going to bother with support, but when I opened up the case I noticed I had one of the larger heatsinks (on an i7-8700K) that blocks access to the top exhaust fan. I've never installed a heatsink, or worked with thermal paste, so would really like a Dell tech to do the install. As it stands, I have an open Service Request, and they are planning to send someone to install a new/refurbished 92mm fan. Think it's worth going through with this and then following up when the fan doesn't help, or should I give up at this point and try to do it myself with the right size fan? Did Dell do the install for you? I'm afraid I could end up with a refurbished fan and potentially poorer thermal contact between CPU and heatsink depending on how carefully the Dell tech performs the install.
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546insp
3 Cadmium

Re: XPS 8930 SE, top fan not same as XPS 8920

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Do the heatsink yourself, if you can change spark plugs you can do that. (very easy) Call them back and tell them you want a 120mm fan! They know there is a fan noise problem, don't let them get over on you.

Dell XPS 8920 silver edition
7th gen i7 Intel CPU
Samsung 850 evo SSD for boot
Added front fan
16gb of memory
AMD video/graphic card
I buy a new Dell every 4 years for the last 25 years

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ryfly
1 Copper

Re: XPS 8930 SE, top fan not same as XPS 8920

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Appreciate the quick response and the encouragement! I just spoke with tech support and cancelled the service dispatch. I tried again to get them to send a 120mm fan, but they wouldn't budge. Maybe because I have just the basic 1 year warranty? Really frustrating support experience. But a couple fans are not going to break the bank, even if it stings a little, and I'll learn something new in the process if I do it myself. Any recommendations for thermal paste, or a video to show how it's done?

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546insp
3 Cadmium

Re: XPS 8930 SE, top fan not same as XPS 8920

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@ryfly wrote:

Appreciate the quick response and the encouragement! I just spoke with tech support and cancelled the service dispatch. I tried again to get them to send a 120mm fan, but they wouldn't budge. Maybe because I have just the basic 1 year warranty? Really frustrating support experience. But a couple fans are not going to break the bank, even if it stings a little, and I'll learn something new in the process if I do it myself. Any recommendations for thermal paste, or a video to show how it's done?


I would call them again a say others have gotten free fans in their forum, and the 1 year warranty has nothing to do with it.

Those videos are on YouTube, I did one and there's nothing to it. You might have to order a little paste or just go to your local computer store and ask for a dab.

Dell XPS 8920 silver edition
7th gen i7 Intel CPU
Samsung 850 evo SSD for boot
Added front fan
16gb of memory
AMD video/graphic card
I buy a new Dell every 4 years for the last 25 years

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rh310
2 Iron

Re: XPS 8930 SE, top fan not same as XPS 8920

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@ryfly wrote:
Did Dell do the install for you? I'm afraid I could end up with a refurbished fan and potentially poorer thermal contact between CPU and heatsink depending on how carefully the Dell tech performs the install.

Luck of the draw I guess - or maybe because I had just gotten the unit and was very much ready to return it.  I didn't threaten or anything like that, just stated the facts.  The support folks are mostly in the dark I think on how the systems are designed/built.  There's just too many variations so it's no fault on their part.  They sent a tech both times.  First time he just had the 92mm fan and bracket.  It was obvious to him what I wanted, but they just supplied him the wrong part because the 120mm is probably not associated in any way in their parts system with the 8930.  Some how, the second time, someone figured it out and the tech brought out a 120mm fan and bracket.  He insisted the CPU did not need re-pasting but was content at my request to do so.  I had run it long enough to see the temps beforehand and afterwards they were the same.  I only have the standard warranty.  I like you just didn't want to mess with that CPU heatsink.  After watching the tech though it wasn't as difficult/complicated as I had imagined.

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HanoverB
3 Cadmium

Re: XPS 8930 SE, top fan not same as XPS 8920

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@rh310 wrote:

@ryfly wrote:
Did Dell do the install for you? I'm afraid I could end up with a refurbished fan and potentially poorer thermal contact between CPU and heatsink depending on how carefully the Dell tech performs the install.

Luck of the draw I guess - or maybe because I had just gotten the unit and was very much ready to return it.  I didn't threaten or anything like that, just stated the facts.  The support folks are mostly in the dark I think on how the systems are designed/built.  There's just too many variations so it's no fault on their part.  They sent a tech both times.  First time he just had the 92mm fan and bracket.  It was obvious to him what I wanted, but they just supplied him the wrong part because the 120mm is probably not associated in any way in their parts system with the 8930.  Some how, the second time, someone figured it out and the tech brought out a 120mm fan and bracket.  He insisted the CPU did not need re-pasting but was content at my request to do so.  I had run it long enough to see the temps beforehand and afterwards they were the same.  I only have the standard warranty.  I like you just didn't want to mess with that CPU heatsink.  After watching the tech though it wasn't as difficult/complicated as I had imagined.


I'm glad you were able to get the correct size fan.    Squeaky wheel does get the grease!

Don’t be afraid of the CPU cooler heatsink R & R.

As long as you have alcohol low in water content (91% stuff) and you use a cotton pad or equivalent that doesn’t shed fibers you will be fine. 

Clean off the heatsink, clean off the CPU of any residue, apply the thermal paste, install the heatsink.

Lots of videos.

I have always done it this way where I just put a little dot on the center of the CPU and then cut an old credit card in half and use it to spread a very thin layer on the CPU and feather out to the edges.   Less is better, and just add a small amount more if it won’t feather out to the edges any longer.  Center is more important than the edges but I'm probably a little too neat about things.

This is the i7 8700 before I re-installed the H60 CPU cooler on it.  (Using Arctic Silver MX-4 thermal paste)

IMG_7657.jpg

IMG_7661.jpg

 

If you have the SE Heatsink, it might not be bad idea to put a Y cable on the TOP FAN header just in case you want to change fans or add another to the header.    Then any future fan upgrades can be done without having to remove the heatsink.

This is a decent video on how to R& R the SE cooler for future reference 

https://www.youtube.com/watch?v=BMmCb6gBW-8

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