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Silverstone Strider fan swap fail.

post #1 of 5
Thread Starter 
Hi OCN,

The fan in my 850W fully modular Strider Gold was loud enough on idle power draw to be heard over everything else in my computer (D5 Vario, 4-6 other fans.) I swapped it back out for my Corsair HX650 because 1. I dont need the extra watts 2. The cables suck. and 3. Whats the point of watercooling your computer, making in near silent and then having a loud PSU!

Today i thought, i'm not going to sleeve my HX650 because i'm planning for it to last the 7 years that it is warranted for , so i will swap out the fan in the Strider 850! If the fan noise is less i will have no problems using it!

I had a couple of 140mm fractal design silent series fans in my collection, so i grabbed one and set to the job:


The victim


ahh meh




Glad the fan wasn't soldered in


Stock fan looks much more sturdy than the one I am replacing it with... maybe this is a bad idea.




Making up a cable so I don't have to wreck two fans





Realising that the power supply doesn't have standard 140mm fan mounts.


Finding a solution.



Turning on the power supply and finding that the fan wont turn on.


Giving the fan a blow of air got it going... very slowly.

So nothing turned out like I planned and I'm quite sure I will end up putting the stock fan back in before I use this PSU in any computer. This was a bbbbaadddd idea.

Just have a couple of questions for anyone who can help me: Will using the power supply ghetto rigged up like this potentially cause damage to the fan or power supply? I swear i have read that fans can be damaged by running them at too low voltage (ie. not enough to make the fan start up). I don't really care much for the fan itself but if it died I wouldn't want to overheat and fry the PSU. If figured that when the power supply needed more cooling it would ramp up the fan and everything would be fine. Do power supplied generally control their fans based on load or on temperature?
post #2 of 5
The psu has an internal controller. It looks like the original fan is a little higher quality, and may require lower voltage to start spinning. They use these fans so that they ( hopefully ) last alot longer.

I would see if you could connect the fan directly to something else inside of the psu, perhaps the 12v rail if its already a quiet fan.

or possibly 5v if you want it quieter. Cant promise itll start spinning at 5v.

ALSO:

Hold the fan on with zipties. thumb.gif
Sometimes, IP.
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Sometimes, IP.
(16 items)
 
 
CPUMotherboardGraphicsRAM
3770K ASRock z77 OC Formula MSI GTX 680 Lightning 2x4GB Samsung 2400MHz C10. 
Hard DriveHard DriveHard DriveOptical Drive
Crucial M4 CT064M4SSD2 WD2500AAKS 250GB WD20EARX 2TB DVD-RW 
CoolingOSMonitorKeyboard
EK XTX360 to EK supremacy FC WINDOES & everyhting else. QNIX QX2710EVO 1440P LED PLS @122hz Rosewill RK9001 reds. 
PowerCaseMouseMouse Pad
OCZ ZS 750 Antec 300 "Hackjob" CM Storm Xornet Supermat 
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by Xinoxide View Post

The psu has an internal controller. It looks like the original fan is a little higher quality, and may require lower voltage to start spinning. They use these fans so that they ( hopefully ) last alot longer.
I would see if you could connect the fan directly to something else inside of the psu, perhaps the 12v rail if its already a quiet fan.
or possibly 5v if you want it quieter. Cant promise itll start spinning at 5v.
ALSO:
Hold the fan on with zipties. thumb.gif

Thanks for the reply + suggestions. Don't really want to do any soldering but I was thinking about running the fan cable out to a motherboard header but would lose all functionality of the psu's controller.
I think I will just put the old fan back in and call it a loss. The noise isn't that unbearable if and if I decide to use the PSU im sure i will survive haha thumb.gif
post #4 of 5
according to the manufacture the fan inside your PSU is a 123.64CFM fan. the 140mm fractal design silent series fan is 38.6CFM fan. I hope you see the epic fail i'm outlining here smile.gif PSU fans are matched to the PSU need for cooling. you are supplying 1/3 of the maximum cooling capacity that PSU is designed to require... the fan controller inside the PSU is ASSUMING the fan characteristics based on the 123.64 CFM fan. thus supplying the voltage that it THINKS the 123.64 CFM fan needs to keep itself cool.

should have RMA'ed it instead of cutting it open like that frown.gif
post #5 of 5
Thread Starter 
Quote:
Originally Posted by psyclum View Post

according to the manufacture the fan inside your PSU is a 123.64CFM fan. the 140mm fractal design silent series fan is 38.6CFM fan. I hope you see the epic fail i'm outlining here smile.gif PSU fans are matched to the PSU need for cooling. you are supplying 1/3 of the maximum cooling capacity that PSU is designed to require... the fan controller inside the PSU is ASSUMING the fan characteristics based on the 123.64 CFM fan. thus supplying the voltage that it THINKS the 123.64 CFM fan needs to keep itself cool.
should have RMA'ed it instead of cutting it open like that frown.gif

Hahaha wow. Thats a big difference in CFM. As soon as i felt the weight in the young lin fan i knew it was much better quality than the fractal one. It's ok but, i had already voided the warranty by attempting to sleeve one of the 6-pin cables, and i bought it of amazon (im from australia) so sending it back to the US because the fan was too loud would have been too much trouble for what it was worth smile.gif The stock fan is safe back inside the PSU and unless i can buy an appropriate replacement fan on ebay or something it will stay there.

+rep to both of you thumb.gif
Edited by beanscene - 8/28/12 at 6:53am
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