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After installing H50, loud whining p/p fans noise & higher-than-expected temps? - Page 2

post #11 of 20
Could you try removing the pull fan?
post #12 of 20
it should be the turbulence between the fans and the rad.

i won't be worried for the TIM. TIM would still (overall) cover the processor.
post #13 of 20
Silence means different things to different people. 1500 rpm fans are loud. And don't waste your money on these "elite" fans.

Once you get to a certain point of fan quality (where the bearings make no noise), the noise generated is the noise of air moving.

Try plugging your fans into a mobo/cpu header into your system and enter the bios and look for a setting to change speeds on your fans. Change the percentage and start to see at what point the fans start to make too much noise. If you don't see anything, download speedfan and start to control your fans from within windows.
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post #14 of 20
I just hear a fan. Try taking both and comparing them separately.

During start up I also hear the hard drive spinning up. Reminds me of a super charger or turbine.
I also hear a raspy noise that sounds like your platter drives spinning it's grossing me out.(OMG NERD RAGE) Turn off your hard drives.

Or maybe you were expecting these fans to be silent? Because they aren't.
Edited by Khaotik55 - 6/8/11 at 8:41am
post #15 of 20
Thread Starter 

I have made a new video depicting what it would sound like with the push fan plugged in only and vice versa (pull fan plugged in only):


The optical dvd-rw drive, hard drive, other case fans, and pump are still plugged in.

It seems they are both on equal loudness with the pull fan being slightly louder. This may be because that front is on the front and more audible to the camera/myself.

The basis for my comparison in loudness is that:

1) The fans/setup is MUCH louder than my original stock HSF combination that came with my i7 CPU. I thought this would be quieter. :-(
2) From other users with H50 + 2x AP-15, it seems they're getting a "remarkably quieter" setup. They have compared it with me personally and says mine sound loud for some odd reason.

Also, both those two fans are connected to the mobo's 3-pin connectors. In the BIOS, it shows one fan running around 1780 rpm and the other fan around 1750 rpm. I believe the AP-15s are rated at a max of 1850 rpm, so it looks like they're running at about 90% speed right now.

What do you guys think? The fans sound normal or not? I am going to try testing my temps with Prime95. I'll try testing what my temps are at stock versus overclocked (I'm hoping to get at least 3.6-3.8 GHz with my setup). Hopefully, my H50 and it's setup is OK... but it seems others are getting better results. *sigh*
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post #16 of 20
is it me or is your setup backwards your pusing the air into the case instead of venting out of the case.

every test you run you have the top fan running as well not to ask for another vid but what does it sound like with both unpluged and it does sound moire like a platter hdd spinning up to me. is it loud with the side panel on
    
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post #17 of 20
Quote:
Originally Posted by ghettogeddy View Post
is it me or is your setup backwards your pusing the air into the case instead of venting out of the case.

every test you run you have the top fan running as well not to ask for another vid but what does it sound like with both unpluged and it does sound moire like a platter hdd spinning up to me. is it loud with the side panel on
Corsair recommends a rear intake for better CPU temps. Perhaps the OP should try an exhaust setup. I notice most fans make more (higher pitched) noise in pull config when next to a grill.
post #18 of 20
Is it the fan whine that's bothering you or that annoying fast 'clicking' sound? AP-15s whine, the newer ones more so than older ones. If you've tested with the pump unplugged and it's still doing it then the clicking noise could be the PSU fan, I have a Corsair PSU that did that.
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post #19 of 20
Are they PWM fans? They are loud because they are running at full speed constantly....
post #20 of 20
Thread Starter 
Here's an update, guys.

Using SpeedFan, it looks like my two push-pull AP-15 fans were running at full speed, ~1750 rpm. I don't quite fully understand how to read or utilize SpeedFan, but my speeds were at 100% for Speed1, Speed2, Speed3.

When I changed Speed2 to 85% or lower ...Voila! The WHIRRING sound was suddenly quieter. I saw the two fans speed change down to about 1500rpm. It was extremely loud/annoying at 100% (1750rpm+). At 1500 rpm, the sound is not 100% silent, but more bearable. There is still a whining tone...but I think that may be just coming from the push-pull.

Using this LOWERED speed of the p/p fans, I ran Prime95 (Large FFT test) and tested for 15 minutes on my i7 930 running at stock 2.8 GHz. Everything passed. Using CPU-Z, at 100% load my CPU read 1.240V. My 6GB RAM was also running at its non-OC'ed DDR3-1066.

My temperature readings using Core Temp after 15 minutes of 100% load were: 58, 55, 58, 54 for each of the cores. This was with no OC'ing and a lowered p/p speed (more managable in terms of sound!) What do you guys think? Is my H50 or push-pull fans still faulty? Not sure why it was so loud at 1750+ rpm!

Anyways, I would like to OC my CPU from 2.8 to at least 3.6-3.8 GHz. Is this still achievable with my hardware, or the better questions are:

1) Are my temps OK for my non-OC? What do you think?
2) Will I need to increase my P/P fan speeds to accommodate the OC? I still don't know why my system isn't quiet. Although SpeedFan turned down my two p/p fans to something more tolerable, there's still a very slight air pressure whine. I'm not sure if it probably has to do something with the resonance of the fans. Maybe some sort of grill/gasket will do?
Edited by Kabigon - 6/22/11 at 6:24pm
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