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Silencing the AMD 8350

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January 30, 2013 6:22:57 PM

I just bought an AMD 8350 with ASRock 880GM-LE FX motherboard. My case is the old Antec Aria http://www.silentpcreview.com/article146-page1.html . The problem is that the cpu fan is ridiculously loud even when the cpu is cool. It's just worse when it isn't.

Can this be fixed by just replacing the cpu fan and if so, what is a good choice? Another potential problem is that the case has no fan currently, just one for the cpu and one for the power supply but that is slightly secondary given how loud the cpu fan is when the cpu is idle.


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January 30, 2013 6:47:14 PM

well...if it's the stock cpu cooler,they tend to be very loud indeed!just buy a decent aftermarket cpu cooler and you're done...apart from that,i will suggest to buy another pc case,even if your mobo is micro atx...a good graphic card will require some aditional space to fit which you don't have.
PS: i don't know what you're budget is,but that mobo should be replaced with something more decent!
January 30, 2013 7:09:05 PM

I only just bought the mobo following advice from these forums :)  (My budget was very tight and I have no need for an external graphics card.) Could you recommend a specific aftermarket cpu cooler?
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January 30, 2013 9:13:55 PM

First off, why did you cram an FX-8350 into a SFF case? What are you using it for?

Have you checked the BIOS to be sure that the fan is being controlled by the CPU and not just running at full speed? You may have some luck undervolting your CPU which will reduce the amount of heat that the fan needs to dissipate.

If that doesn't work you will need to find an aftermarket cooler that works. The review you linked mentioned that their is about 65mm of clearance for the heatsink. Here is one I found on newegg that may work.

http://www.newegg.com/Product/Product.aspx?Item=N82E16835186035
January 31, 2013 7:04:08 AM

I chose the 8350 because.. umm... I was advised to at http://www.tomshardware.co.uk/forum/327058-12-micro-mob.... I am using this as my home PC and my budget is tight (I already had the case).

The fan is currently at 6250rpm apparently and the temperature is low (30-40 degrees centrigrade). I'll check to see if that is normal. I notice that the BIOS version 1.10 is not the latest (http://www.asrock.com/mb/download.asp?o=BIOS&Model=880G...) although the short descriptions of the updates don't seem very relevant either. Having said that I don't know what "update CPU code" actually means.

Thanks for the cooler suggestion.
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January 31, 2013 7:27:39 AM

any chance to add some fans to the case?
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January 31, 2013 7:34:19 AM

Throw a Hyper 212 Plus/Evo on to that CPU and you're blessed
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January 31, 2013 7:36:29 AM

In a small factor case? I doubt it :p 
Moto
January 31, 2013 9:23:09 AM

BuddiLuva said:
Throw a Hyper 212 Plus/Evo on to that CPU and you're blessed

I was about to suggest a Noctua NH-D14 until I saw the case.

My biggest concern is the cooling capability of whatever you put in there vs how hot you will run that 8350. I'm having a hard time visualizing your clearance you have. I saw the potential issues of the overhanging PSU.

I would also be leery of any heatsink/fan if you can't easily find detailed specifications. The arctic alpine linked i believe is a 78mm height, to tall if its positioning puts it under the lip. You then also have to concern yourself with proper heat dissipation. The smaller the heatsink, the less dissipation. The 8350 can run pretty hot, so you either have to cool it good, shut off cores or underclock it, depending on your cpu load and needs.

So, if you can't go tall, go wide.

NJ-L12 - Rated 95 TDP
http://www.noctua.at/main.php?show=productview&products...

The rated height without the fans is 66mm which I believe gives clearance with the PSU lip. I'm not sure of the orientation the sink would be used in the case, but you might still be able to use the top fan. The top fan can be shifted up or down the length of the heatsink as it is held by clips on both sides. As long as your not running all 8 cores @ 100% I think there shouldn't be heat issues and the Noctua's even without the use of the low noise adapter (17db).

NH-L9a - rated 65 TDP
http://www.noctua.at/main.php?show=productview&products...
Really really low profile, not sure if it would cool things well enough but it's another quiet option.


Edit:
lesshaste said:
I notice that the BIOS version 1.10 is not the latest (http://www.asrock.com/mb/download.asp?o=BIOS&Model=880G...) although the short descriptions of the updates don't seem very relevant either. Having said that I don't know what "update CPU code" actually means.
.


I would suggest you update your bios to improve any comparability the newer bios might bring. In another thread the OP had an ASRock 970 Pro that had no bios updates for piledriver and he couldn't overclock or underclock without stability issues. Your bios I doesn't specifically say FX-8350, but it supports the FX-8300(in bios 1.3) which is just a lower clocked version of the same chip. So, I believe it's an important enough bios update not to wait.
January 31, 2013 10:45:12 AM

Those I will update the bios as you suggest.

The best picture I can find online of the clearance problem is at http://www.silentpcreview.com/article146-page4.html .

If I do end up replacing the cpu hsf, what do I actually have to do to remove the old one and put in the new one? I mean, for example, do I need to buy some cleaner to get rid of the old glue and some thermal grease or similar for the new hdf?
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January 31, 2013 11:31:01 AM

I changed the fan on my stock 8350 before changing the cooler , it was a bit quieter . Used a fan from an old Opteron cooler , the fan on the right is the Opteron Athlon II fan I used to replace the 8350 fan on the left .
http://img.photobucket.com/albums/v398/jerry666/Picture...
January 31, 2013 2:32:10 PM

If the fan is running at full speed while the CPU is only 30-40C you need to look into what is controlling the fan. Make sure you have the fan connected to the correct header on the MB and check your BIOS settings.
January 31, 2013 6:30:47 PM

I upgraded the BIOS and apart from a scare when it rebooted saying there was a checksum error which may or may not have been due to the mouse being unplugged that went fine. This didn't make a lot of different but I have now used the amazing answer at http://askubuntu.com/questions/22108/how-to-control-fan... to slow the fan down and it is *much* quieter when idle. The fan speed is down to less than 3000rpm. I will still need to replace the HSF most likely to quieten it when under load but this is a huge improvement.
February 3, 2013 7:23:16 PM

The answer of course was in the BIOS all along. There is a setting called "quiet cpu" which controls the fan speed. This is OFF by default so just runs the cpu at full speed. So now the noisy fan runs slowly and is only slightly annoying :) 
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February 3, 2013 11:07:03 PM

well also getting a silent cpu cooler can help even more.

February 4, 2013 4:43:51 PM

iceclock said:
well also getting a silent cpu cooler can help even more.


Absolutely. Is there an idiot's guide to replacing a cpu cooler? I have never done it before.
February 5, 2013 7:08:13 PM

Ah yes, the Internet... thanks :) 
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February 5, 2013 8:12:08 PM

no problem :) 

!