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post #51 of 78
Quote:
Originally Posted by jlhawn View Post

the 2 140mm top fans are 1200 rpm
the other 3 case fans are 1350rpm
the cpu cooler fan is 1250 rpm
reported by HW Monitor software.
I run them at their max speed.
I run the cpu cooler fan to flow air down as it keeps my north bridge chip at 52c under load, with a different cooler it would reach 77c which
I did not like even though intel say's 90c is ok.
All makes sense.

Turning the cooler fan over may lower the nothbridge chip even more. I've tested a fair few coolers and have yet to get warmer temps with fan pulling air out of a pancake than they were pushing air into it. wink.gif

I have seen a few cases (no pun) there was no appreciable change, but generally flowing air up and away from motherboard works better then down onto motherboard.

But why the D15 rather than some other top tier cooler?
post #52 of 78
Thread Starter 
Why a d15? Best mounting system, top coolers, awesome build quality, quiet, 6 years warranty, supports older and future sockets and can't go wrong with noctua.
post #53 of 78
Okay, but same applies to Phanteks and Cryorig, as well as be quiet!, Thermalright, and a few other that are not quite as easy to mount. Honestly, I mount lots of coolers and when I go to the shelf to get one for a comparison test, i grab the closest one of the three; 14PE, D15 or R1. All three mount easy, run at same temps and about same noise levels.
post #54 of 78
Quote:
Originally Posted by doyll View Post

All makes sense.

Turning the cooler fan over may lower the nothbridge chip even more. I've tested a fair few coolers and have yet to get warmer temps with fan pulling air out of a pancake than they were pushing air into it. wink.gif

I have seen a few cases (no pun) there was no appreciable change, but generally flowing air up and away from motherboard works better then down onto motherboard.

But why the D15 rather than some other top tier cooler?

I might try turning the fan over this weekend when I have more time.
thanks for the tip
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Old X58
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Crucial MX100 256 gig Crucial M500 120gig WD VelociRaptor 1TB Noctua 
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Windows 7 Pro 64bit LG 29inch widescreen DP LG 29inch widescreen DP Corsair K65 
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post #55 of 78
Quote:
Originally Posted by jlhawn View Post

the 2 140mm top fans are 1200 rpm
the other 3 case fans are 1350rpm
the cpu cooler fan is 1250 rpm
reported by HW Monitor software.
I run them at their max speed.
I run the cpu cooler fan to flow air down as it keeps my north bridge chip at 52c under load, with a different cooler it would reach 77c which
I did not like even though intel say's 90c is ok.

abit too much overkill to run them at max speed IMO biggrin.gif it's up to you whether you feel it's necessary to deal with that much fan noise. your GPU is a reference design meaning you are dumping very little additional heat into your case even at full load. the amount of cooling you are supplying is suffering from a large amount of diminishing return. you may be able to reduce your decibel cost by a noticeable amount while not seeing much of a significant increase in temps.

considering you are using a reference design GPU, you should base your acoustic tuning on the noise level of your GPU. your GPU should be the loudest component of your system.
post #56 of 78
Quote:
Originally Posted by psyclum View Post

abit too much overkill to run them at max speed IMO biggrin.gif it's up to you whether you feel it's necessary to deal with that much fan noise. your GPU is a reference design meaning you are dumping very little additional heat into your case even at full load. the amount of cooling you are supplying is suffering from a large amount of diminishing return. you may be able to reduce your decibel cost by a noticeable amount while not seeing much of a significant increase in temps.

considering you are using a reference design GPU, you should base your acoustic tuning on the noise level of your GPU. your GPU should be the loudest component of your system.

I have all these fans as I use my system for folding and I use to run a gpu with 3 fans so heat was dumped in the case.
I might even put the old gpu GTX 970 back in with the GTX 980 for more folding power. besides I'm 55 years old and have owned a drag racing car for the last 35 years
so I don't hear very good any more wink.gif
this the 970
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post #57 of 78
ahh ok smile.gif all good then. you should be fine with the additional GPU as long as you remove the expansion slot covers on the unused slots so the heat from the 2nd GPU has a natural exhaust leakage point. didn't realize you were folding since it's always good to have some overkill on the cooling system when you are building a folding rig smile.gif
post #58 of 78
Quote:
Originally Posted by psyclum View Post

ahh ok smile.gif all good then. you should be fine with the additional GPU as long as you remove the expansion slot covers on the unused slots so the heat from the 2nd GPU has a natural exhaust leakage point. didn't realize you were folding since it's always good to have some overkill on the cooling system when you are building a folding rig smile.gif

I used to have 2 hot box GTX 580's in this case, and with this mother board the 2 580's were 1/8 inch apart from each other
and had reference coolers. talk about heat, I have a window a/c unit in my home office that I would have to point the vents straight at it.
if I install the 970 it will go in the 3rd pci-e slot.
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Old X58
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CPUMotherboardGraphicsRAM
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Hard DriveHard DriveHard DriveCooling
Crucial MX100 256 gig Crucial M500 120gig WD VelociRaptor 1TB Noctua 
OSMonitorMonitorKeyboard
Windows 7 Pro 64bit LG 29inch widescreen DP LG 29inch widescreen DP Corsair K65 
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post #59 of 78
Thread Starter 
Quote:
Originally Posted by doyll View Post

Okay, but same applies to Phanteks and Cryorig, as well as be quiet!, Thermalright, and a few other that are not quite as easy to mount. Honestly, I mount lots of coolers and when I go to the shelf to get one for a comparison test, i grab the closest one of the three; 14PE, D15 or R1. All three mount easy, run at same temps and about same noise levels.

Well I'll still get a D15 but I see your point, there are other good ones too. I've been wanting to try Noctua fans for awhile also.
Quote:
Originally Posted by jlhawn View Post

I have all these fans as I use my system for folding and I use to run a gpu with 3 fans so heat was dumped in the case.
I might even put the old gpu GTX 970 back in with the GTX 980 for more folding power. besides I'm 55 years old and have owned a drag racing car for the last 35 years
so I don't hear very good any more wink.gif
this the 970

Nice build! You're not using the rubber pins for the noctua rear fan?
post #60 of 78
Quote:
Originally Posted by Falmatrix2r View Post

Well I'll still get a D15 but I see your point, there are other good ones too. I've been wanting to try Noctua fans for awhile also.
It's just that D15 is a 'bastard child' It cools no better than D14 with same fans, it's wider width causes issues with top PCIe sockets. (sometimes blocks them), fin cut-out area lowers cooling ability, etc. Noctua had reached a point they needed to release a new cooler and D15 was it. They pumped the A15 fan supplied with it to 1500rpm from their normal 1200rpm to get cooling up to par. That's not saying the A15 1500rpm is not a great fan, or that D15 is not a good cooler because they both are. But not as good as Noctua 'cultist' would like us to believe. wink.gif
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