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[Official] Noctua NH-D14 Club - Page 232

post #2311 of 3974
Quote:
Originally Posted by markothevrba View Post

Most likely, but I would still put a fan in the middle and set the profile to have it at minimum RPM and to ramp it up if it gets into the "danger zone". You know, just to be safe in those hot summer days that will probably come

You can try to find a fan that spools down to 0rpm if PWM tells it to. Unfortunately Intel left the behavior under 20% open and most fan manufacturers opted to run the fan with at least 20% and most BIOSes don't go lower than 20% either. But you may be able to tell the PWM controller to go to 0% via an application. Under Linux this is supported at least for some very popular support chips like the it87 family.
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post #2312 of 3974
I've read somewhere installing a 3rd fan only helps with around 2 degrees. does anyone have a first hand experience with this?

also i'm looking at the Cooler Master 120mm 90cfm silent led fans, supposedly they are only 19 dbs loud, here's the link:

http://www.coolermaster.com/product.php?product_id=4355

will they be good replacement fans for the noctua standard ones? i'm a little skeptic about the noise level on the spec though...19dbs for 2000rpm and 90 cfm airflow is insane.
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post #2313 of 3974
Quote:
Originally Posted by Sashimi View Post

I've read somewhere installing a 3rd fan only helps with around 2 degrees. does anyone have a first hand experience with this?

also i'm looking at the Cooler Master 120mm 90cfm silent led fans, supposedly they are only 19 dbs loud, here's the link:

http://www.coolermaster.com/product.php?product_id=4355

will they be good replacement fans for the noctua standard ones? i'm a little skeptic about the noise level on the spec though...19dbs for 2000rpm and 90 cfm airflow is insane.

I can assure you that they aren't definitely quiet fans. I do have two on my cooler and I'm keeping them at 45% (idle) speed with the Speedfan. You can see a pic of my D14 on the previous page.
And they're the R4-L2R-20AC-GP model, only rated 69.69 CFM (they didn't get to the 2000 speed ever, hardly arriving at 1900rpm):

http://www.coolermaster.com/product.php?product_id=4375

If you're planning to run the cooler with only one central fan, you might consider using a 140mm fan. cool.gif
Edited by arrow0309 - 3/21/12 at 1:52am
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post #2314 of 3974
Quote:
Originally Posted by Celcius View Post

Do you think a nh-d14 could passively cool a 2600k, considering most cases have a case fan right behind the heatsink?

My brother in law runs his 2600k with Stock clocks with fanless Noctua D14 he loves it no noise and temps are fine. put 180hours into BF3 with no issues.



Quote:
Originally Posted by rrohbeck View Post

You can try to find a fan that spools down to 0rpm if PWM tells it to. Unfortunately Intel left the behavior under 20% open and most fan manufacturers opted to run the fan with at least 20% and most BIOSes don't go lower than 20% either. But you may be able to tell the PWM controller to go to 0% via an application. Under Linux this is supported at least for some very popular support chips like the it87 family.

I have 2 Thermalright TY-140's on my D14 with the PWM connectors hooked up to the Cpu fan headers in the Asus FAn Xpert software i have a fan profile so 30% fan speed less than 34deg and 100% fan speed at +40deg
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post #2315 of 3974
Quote:
Originally Posted by arrow0309 View Post

You can see a pic of my D14 on the previous page.
cool.gif

Nice setup. does your D14 pushes air out the back or the middle where it gets sucked out via the top fan?

[off topic but can't help it: o.O saw the accelero extreme on the gpu. how's that working out for you?]
Quote:
Originally Posted by arrow0309 View Post

I can assure you that they aren't definitely quiet fans. I do have two on my cooler and I'm keeping them at 45% (idle) speed with the Speedfan. You can see a pic of my D14 on the previous page.
And they're the R4-L2R-20AC-GP model, only rated 69.69 CFM (they didn't get to the 2000 speed ever, hardly arriving at 1900rpm):
cool.gif

i thought as much about the cooler master fans. if those specs are true they'll definitely have a miracle fan. i suppose if their spec says 2000 +/- 10% u can't complain if they only spin up to 1800 jealoussmiley.gif

how's the noise for you not running them at full speed? I'm thinking maybe i can keep them at low cycles like you and still get decent airflow/pressure with the 90cfm one since they're rated for much higher max air.
Quote:
Originally Posted by arrow0309 View Post

If you're planning to run the cooler with only one central fan, you might consider using a 140mm fan. cool.gif

I think i'll go for a 3 fans setup. i'm more performance oriented and don't mind a bit of noise biggrin.gif not excessive of course. tongue.gif
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post #2316 of 3974
Quote:
Originally Posted by Sashimi View Post

Quote:
Originally Posted by arrow0309 View Post

You can see a pic of my D14 on the previous page.
cool.gif

Nice setup. does your D14 pushes air out the back or the middle where it gets sucked out via the top fan?

[off topic but can't help it: o.O saw the accelero extreme on the gpu. how's that working out for you?]
Quote:
Originally Posted by arrow0309 View Post

I can assure you that they aren't definitely quiet fans. I do have two on my cooler and I'm keeping them at 45% (idle) speed with the Speedfan. You can see a pic of my D14 on the previous page.
And they're the R4-L2R-20AC-GP model, only rated 69.69 CFM (they didn't get to the 2000 speed ever, hardly arriving at 1900rpm):
cool.gif

i thought as much about the cooler master fans. if those specs are true they'll definitely have a miracle fan. i suppose if their spec says 2000 +/- 10% u can't complain if they only spin up to 1800 jealoussmiley.gif

how's the noise for you not running them at full speed? I'm thinking maybe i can keep them at low cycles like you and still get decent airflow/pressure with the 90cfm one since they're rated for much higher max air.
Quote:
Originally Posted by arrow0309 View Post

If you're planning to run the cooler with only one central fan, you might consider using a 140mm fan. cool.gif

I think i'll go for a 3 fans setup. i'm more performance oriented and don't mind a bit of noise biggrin.gif not excessive of course. tongue.gif

Briefly:
Mine it's a positive pressure case with the rear cut (exhaust with no fan), the top TY-140 fan is an intake one and the three D14 fans are blowing towards the rear position.
The Accelero is a beasty thing, allowing me to max out only 50-51°C when gaming and 32-33°C in idle.
Yes, the R4's are almost inaudible at lower speeds, mine are about 1040rpm right now (and 785rpm for the central fan). They're set to run up to 80% for the R4's and 85% for the TY-140.
Go for a similar setup like mine, getting those R4 you wanted and you'll get a nice and efficient cooler. thumb.gif
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post #2317 of 3974
Quote:
Originally Posted by Sashimi View Post

I've read somewhere installing a 3rd fan only helps with around 2 degrees. does anyone have a first hand experience with this?
That depends on what is in front. If the fan(s) in the front and center push good amounts of air through the fins then a third fan doesn't buy you much. However, the stock fans and similar quiet fans don't push much so a 3rd fan helps. But if you have things like Deltas or San Aces on there it won't make much of a difference.
I have a high powered setup with a 260cfm Delta fan in the front and a shroud in the center position because even the fastest 25mm fan I have (FFB1212EH) slowed the airflow down. In that configuration a high powered fan in the exhaust position bought me about 1.5C (which is a lot for me.) Recently I've thought about closing off the sides of the fin stacks so the airflow stays confined. That might improve cooling more than the exhaust fan. Fans aren't good at pulling and much better at pushing.
Quote:
Originally Posted by Sashimi View Post

also i'm looking at the Cooler Master 120mm 90cfm silent led fans, supposedly they are only 19 dbs loud, here's the link:
http://www.coolermaster.com/product.php?product_id=4355
will they be good replacement fans for the noctua standard ones? i'm a little skeptic about the noise level on the spec though...19dbs for 2000rpm and 90 cfm airflow is insane.
Don't buy any fan unless you can download the fan curve, which means that there's real technical data and the vendor isn't just making stuff up. Most of those numbers are just fantasy.
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post #2318 of 3974
Quote:
Originally Posted by arrow0309 View Post

Briefly:
Mine it's a positive pressure case with the rear cut (exhaust with no fan), the top TY-140 fan is an intake one and the three D14 fans are blowing towards the rear position.
The Accelero is a beasty thing, allowing me to max out only 50-51°C when gaming and 32-33°C in idle.
Yes, the R4's are almost inaudible at lower speeds, mine are about 1040rpm right now (and 785rpm for the central fan). They're set to run up to 80% for the R4's and 85% for the TY-140.
Go for a similar setup like mine, getting those R4 you wanted and you'll get a nice and efficient cooler. thumb.gif

My mate is getting some R4s so he can be my guinea pig. I'll see if i can borrow them to have a play around with and perhaps post some info for anyone looking to buy those fans. smile.gif
Quote:
Originally Posted by rrohbeck View Post

Recently I've thought about closing off the sides of the fin stacks so the airflow stays confined. That might improve cooling more than the exhaust fan. Fans aren't good at pulling and much better at pushing.
Don't buy any fan unless you can download the fan curve, which means that there's real technical data and the vendor isn't just making stuff up. Most of those numbers are just fantasy.

I didn't know that i always thought it's better to pull hot air away. Will keep that in mind.

How do you guys think i can maximise my D14's effectiveness in terms of case flow? Here's my current setup:
2x front intake near the bottom of the case
1x bottom intake
4x side intake fans primarily for my GPUs.
1x rear exhaust where the D14 points directly towards
2x top exhaust

basically lots of air goes in and lots of air goes out. i can't exactly make out any air paths though eh-smiley.gif
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post #2319 of 3974
Quote:
Originally Posted by Sashimi View Post

I didn't know that i always thought it's better to pull hot air away. Will keep that in mind.

It's definitely true for applications where you have resistance, like cooler fins. You need pressure to get air through, and fans produce far more positive pressure on the output than partial vacuum on the intake side.
For free blowing applications it doesn't make a difference.
WS
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WS
(18 items)
 
  
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FX-8150 Asus Crosshair V ECS GT430 Kingston KVR1333D3E9S/4GEC 
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Barracuda XT ST33000651AS Corsair Force GT Samsung TS-H653J  Noctua NH-D14 
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Delta PFC1212DE-PWM Delta AFB1212HHE-PWM Delta AFC1212DE-PWM San ACE 9SG1212G101 
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Debian Wheezy with 3.2 kernel and XFCE4 2x Acer S273HL Unicomp Customizer 104/105 Seasonic X750 Gold 
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Fractal Design Define XL Logitech 
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post #2320 of 3974
Quote:
Originally Posted by Sashimi View Post


My mate is getting some R4s so he can be my guinea pig. I'll see if i can borrow them to have a play around with and perhaps post some info for anyone looking to buy those fans. smile.gif


I didn't know that i always thought it's better to pull hot air away. Will keep that in mind.

How do you guys think i can maximise my D14's effectiveness in terms of case flow? Here's my current setup:
2x front intake near the bottom of the case
1x bottom intake
4x side intake fans primarily for my GPUs.
1x rear exhaust where the D14 points directly towards
2x top exhaust

basically lots of air goes in and lots of air goes out. i can't exactly make out any air paths though eh-smiley.gif

Did you read the ehume's 7 chapters review on the D14, there's plenty of fan positions an combinations? I strongly recommend you this guide:

http://www.overclock.net/t/1216515/secrets-of-the-d14-chapter-7-pwm-fans
Arrow I9
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Arrow I9
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Samsung 960 Pro 512Gb + PM961 512Gb Toshiba X300 4Tb, 2x Barracuda 3Tb Cooled by EKWB, Watercool, Alphacool, Koolance XSPC RX360 v3, Alphacool Monsta 420 
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