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post #201 of 281

Do the San Aces that have a operating voltage of 10.2V - 13.8V undervolt lower than that, and if so, what's the typical starting voltage, and are there any abnormal motor noises?

 

And in general, do the 25mm San Aces that have operating voltages of 6V - 13.8V undervolt well and have low(4V - 6V) starting voltages?

post #202 of 281

Mine go pretty low. Usually lower than spec.

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post #203 of 281
Quote:
Originally Posted by ehume View Post

Mine go pretty low. Usually lower than spec.

Would you guess that the 10.2V - 13.8V fans can start at 6V - 7V, or perhaps lower?

post #204 of 281
Quote:
Originally Posted by nawon72 View Post

Quote:
Originally Posted by ehume View Post

Mine go pretty low. Usually lower than spec.

Would you guess that the 10.2V - 13.8V fans can start at 6V - 7V, or perhaps lower?


Yes. I could go test the supposition, but that would take time, and I'm going to bed.

 

Edit: you could do a web search. IIRC someone tried various Voltages.

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post #205 of 281
Quote:
Originally Posted by ehume View Post

That's one of their standard fans. Do other fans transmit a signal to your mb? If so, you have a bad fan, and should discuss it with your vendor.

Yes, other fans do just fine. I have a 2nd identical SanAce, but it just has pigtails right now. Will pop a molex plug and pwm/sense pins on there tonight and see if I get the same result. The speed reading issue is annoying, but not a deal breaker for using the SanAce.
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post #206 of 281
I still have these fans:

1 x 9G121H1011 (open corners) PRE-SLEEVED
1 x 9G121H1011 (open corners)
1 x 9G1212H101 (closed corners)

that are pretty much brand new. Would I still be able to sell these at a premium?
post #207 of 281
I'm fighting that silence vs airflow vs cooling battle at the moment. Yes, I know I shouldn't really be talking about "silence" when I'm running a 9SG1212P1G01, but since it is loud-ish I intend to drop the noise elsewhere. Proved with a horrible noisy clattering Delta 120x38 @ 7V that good top exhaust helps my case really well.

After checking out ehume's thread:
http://www.overclock.net/t/724577/the-well-dressed-megahalems-65-fans-and-112-setups-56k-warning/20#post_9232257

I've started thinking of the following 3 candidates:

9G1212H1011
9S1212L401
9S1212H401

I'm thinking target voltage of 5V, maybe 7V on the L401.

Can anyone say whether these click at those voltages? Do they hum or have motor noise that would exceed their airflow noise?
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post #208 of 281
I'm in! 3x G1011, 2 on a 240 rad, and a spare one, waiting for a twin, to go on the other 240!

450
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post #209 of 281

Heinz357 -- Stop That. Not only is it annoying but you could give someone a seizure.

 

As for the San Aces -- the Voltage-controlled S-models don't click. The G models click, but faintly.

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Seasonic X-650 fully modular 80+ Gold NZXT Beta Evo, grills gone Logitech Mouseman Wheel (antique from late 1990's) Star Trek NG 
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post #210 of 281
Thanks. I'm putting both those S-models on my wishlist. No point importing one at a time.

Took me forever tonight to hookup my 2x 9SG1212P1G01 in push/pull on my old Corsair H50. They don't seem to play nicely with each other. Giving off this warbling hum.
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Western Digital Caviar Black WD1001FALS 1TB Western Digital Caviar Green WD10EARS 1TB SONY DVD writer Corsair H50 + Sanyo Denki San Ace 120 PWM 
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Western Digital Caviar Black WD1001FALS 1TB Western Digital Caviar Green WD10EARS 1TB SONY DVD writer Corsair H50 + Sanyo Denki San Ace 120 PWM 
CoolingCoolingCoolingOS
Thermalright HR-05/IFX DeepCool V400 graphics card cooler Coolermaster 12cm SickleFlow fan for HDDs Microsoft Windows 7 Ultimate x64 
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Dell U2711 27" IPS Logitech Dinovo bluetooth keyboard Vantec VAN-600AS ion2+ 600W Coolermaster Stacker CM-830 Black 
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