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Noctua D15 Fan Configuration

 
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post #1 of 6 (permalink) Old 08-18-2019, 10:40 AM - Thread Starter
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Noctua D15 Fan Configuration

I did a new build with the D15. Because of the RAM height, I could not place the second fan behind the D15 in Push.

I have the center fan pushing into the rear fin assembly, and the second fan pulling on that same rear fin assembly.

Because a fan in push is more efficient, would I be better off to obtain a 120 fan and place it on the rear fin assembly pushing?

I have checked, and a 120 will clear the RAM.

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post #2 of 6 (permalink) Old 08-18-2019, 10:42 AM
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Adding the second fan will only make it 2c cooler so unless that really matters and you need those 2c dont bother with the second fan the middle one alone is fine

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post #3 of 6 (permalink) Old 08-18-2019, 05:39 PM - Thread Starter
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The D15 came with 2 fans.

I changed them out for NF-A15 HS-PWM chromax.Black.swap to eliminate the brown fans.

I already have the two fans, but as mentioned cannot use the rear fan (which is actually the one closest to the front of the case) in push because of my RAM height. Consequently that fan is currently in at the front of the D15 in pull.

My thoughts were that I could replace the NF-A15 with a NF-F12 PWM chromax.black.swap which has the same RPM characteristics as the NF-A15, but would fit above the RAM in a push configuration.

RodeoGeorge

A link to the Build Log for my latest build (ASUS8) in a Thermaltake Tower 900.
https://www.overclock.net/t/1621450/build-log-thermaltake-tower-900-asus8
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post #4 of 6 (permalink) Old 08-18-2019, 06:27 PM
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You absolutely can. I did. Is it worth doing? No. Does it look 10x better than just having no fan there? yes.

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post #5 of 6 (permalink) Old 08-19-2019, 02:37 AM
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It's not worth having more than the one single fan in the middle, unless you just have to have another one there due to aesthetics.
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post #6 of 6 (permalink) Old 08-19-2019, 03:41 AM
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As already said, it's not worth the effort. If you have 171mm CPU clearance and 52mm center CPU to RAM you could use a Thermalright TRUE Spirit 140 Power instead of D15 and have as good or better cooling with slightly less noise. Another option is Le Grand Macho which only needs 48mm center CPU towards RAM and cools as good or better than D15 with a little less noise. TRUE Spirit 140 Power is about $50 and LGM RT is about $80.

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