Cheez has a tough question. If you have good solution I say you are good

cheez

Golden Member
Nov 19, 2010
1,722
69
91
Does anyone know there are any quiet 90mm case fan with 4 pin connector for the header on the motherboard? It's a Dell Optiplex GX620 mid sized desktop computer and has a 5 pin header for CPU fan. The fan needs to be replaced. We can't get the Dell genuine part from the place due to various reasons. Trying to find other fan that may work. Can the 3 pin connector from case fan work on a 5 pin header on Dell motherboard?

And no, going with a 4 pin molex connector with a new fan isn't a solution as if you don't have a fan connected to the CPU fan header the computer freaks out and throw out a warning message "System fan has failed" where you'll have to press F1 key to bypass every time you reboot your computer. Not a solution for our clients. Any one has good solution? No, replacing the PC is out of question. thanks bye


cheez
 
Last edited:

cheez

Golden Member
Nov 19, 2010
1,722
69
91
Thanks Agent11. Cutting wires and wiring them to new fan may be a solution for one computer but I have many... close to 100 for this model. At least 70% of them will need fan replacements. They are making noise as they have reached their life span. It makes bad noise when the fan runs at high RPM. Anyone else has solution other than cutting wires / soldering?

thanks,

cheez
 
Last edited:

el-Capitan

Senior member
Apr 24, 2012
572
2
81
Have you looked in water cooling yet? Especially easy (and cost-effective!) if the client happens to have an unused bathtub.

That aside, do note that the new fan may have a lower RPM which may still trigger the BIOS to report a fan malfunction. If possible disable all fan alarms
 

Agent11

Diamond Member
Jan 22, 2006
3,535
1
0
You could call dell and ask if a standard pwm fan would work, you would just have to make sure it was plugged in correctly.
 

T_Yamamoto

Lifer
Jul 6, 2011
15,007
795
126
I wish someone would just hack the BIOS to shut the damn alarm off. Its really annoying.
 

felang

Senior member
Feb 17, 2007
594
1
81
Thanks Agent11. Cutting wires and wiring them to new fan may be a solution for one computer but I have many... close to 100 for this model. At least 70% of them will need fan replacements. They are making noise as they have reached their life span. It makes bad noise when the fan runs at high RPM. Anyone else has solution other than cutting wires / soldering?

thanks,

cheez

100 fans all failing at about the same time? Seems strange to me.
 

cheez

Golden Member
Nov 19, 2010
1,722
69
91
That aside, do note that the new fan may have a lower RPM which may still trigger the BIOS to report a fan malfunction. If possible disable all fan alarms
There is no option to disable fan alarms in BIOS. You must have never experienced with the Dell computers for business. Not your own home computer.

I wish someone would just hack the BIOS to shut the damn alarm off. Its really annoying.
Damn straight! I feel the same... Dell BIOS shucks. :D

100 fans all failing at about the same time? Seems strange to me.
That is your 100% troll post. Nothing but worthless trolling posts as usual. I think I have a new person for me to put ignore button on.


cheez
 

cheez

Golden Member
Nov 19, 2010
1,722
69
91
You could call dell and ask if a standard pwm fan would work, you would just have to make sure it was plugged in correctly.
Thanks Agent11. I found your post to be helpful, especially about fan wiring and what each wire entails.

I found a better solution. I did some testing for the last few days and turned out that the goo in the heatsink and CPU was all dried out upon inspection after uninstalling the unit. Cleaned out the dried goo and applied Arctic Silver thermal compound. LO AND BEHOLD. The heat was actually transferring and I ran Prime95 with CPU intensive setting for an hour. Fan never needed to spin up high. It only went up to 40%. Overall the system was running much quieter. Looks like Arctic Silver is a better and simpler solution.


cheez
 

felang

Senior member
Feb 17, 2007
594
1
81
That is your 100% troll post. Nothing but worthless trolling posts as usual. I think I have a new person for me to put ignore button on.

cheez

Nothing but worthless trolling threads on anandtech, and all over the rest of the internet.


100 fans all failing at about the same time? Seems strange to me.

So you call me a troll for my comment and end up using the "failing fans"

Thanks Agent11. Cutting wires and wiring them to new fan may be a solution for one computer but I have many... close to 100 for this model. At least 70% of them will need fan replacements. They are making noise as they have reached their life span. It makes bad noise when the fan runs at high RPM. Anyone else has solution other than cutting wires / soldering?

thanks,

cheez

Ok so splicing a couple of wires is a lot of work, got it


Thanks Agent11. I found your post to be helpful, especially about fan wiring and what each wire entails.

I found a better solution. I did some testing for the last few days and turned out that the goo in the heatsink and CPU was all dried out upon inspection after uninstalling the unit. Cleaned out the dried goo and applied Arctic Silver thermal compound. LO AND BEHOLD. The heat was actually transferring and I ran Prime95 with CPU intensive setting for an hour. Fan never needed to spin up high. It only went up to 40%. Overall the system was running much quieter. Looks like Arctic Silver is a better and simpler solution.


cheez

So splicing wires is to much work, but removing cpu heatsinks and cleaning and then reapplying thermal paste on 100 pc´s is fine.

You sir are a piece of work. I have a better use for your bathtub than Water Cooling your ancient HTPC, you should drown yourself in it. But make sure you go through with it because it doesn´t seem like you could spare any more brain damage.
 

chimaxi83

Diamond Member
May 18, 2003
5,456
61
101
Came to post something about bathtubs and filthy standing water, left disappointed that they were already mentioned :colbert:
 

jaedaliu

Platinum Member
Feb 25, 2005
2,670
1
81
Depending on the company and cash flow, can consider leasing so that you won't have to worry about such old hardware issues.
 

aigomorla

CPU, Cases&Cooling Mod PC Gaming Mod Elite Member
Super Moderator
Sep 28, 2005
20,894
3,247
126
NO...

5 PIN is nothing like 4pin which is simular to 3pin.

5PIN is a header for server fans usually tied to a BMC controller of some sort...
They are usually native on San Aces... Deltas... and other enterprise series fans.

To my knowledge if ur not using a 5 pin header... dont attach anything to that port.
The board itself should have fan headers.. if it doesnt... add a fan port and do it that way.
12-195-004-02.jpg


also if ur BMC controller area is starting to give out... and u will notice cuz your fans will SCREAM...
At this point u may want to do a new thermal map, and just get rid of all the 5 pin fans u have with (gamer fans designed for radiators) that fit profile.
As these class of fans have the greatest static.. and your going to want the static.

You need to have new fan positions... and orientation... and try to make a new thermal map.. direction for your air to travel and cool your IC's.

Thanks Agent11. Cutting wires and wiring them to new fan may be a solution for one computer but I have many... close to 100 for this model. At least 70% of them will need fan replacements. They are making noise as they have reached their life span. It makes bad noise when the fan runs at high RPM. Anyone else has solution other than cutting wires / soldering?

thanks,

cheez

bah... i missed this post... go with the sunbeam multi port... try to put 120mm fans instead and pull off a new thermal map.
 
Last edited: