Need Advice w/ Corsair 400c - AIO / Fan configuration / Positive Pressure

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andrewmorgan98

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Hey didnt see a cooling section.. hopefully this is ok here.


My first build was in the corsair 400c and it was great. i had 2 120mm Sp120 Performance fans for exhaust up top and an af 120 in the rear. My intake on front was a 240mm h100iv2 with sp120s in push/pull and the case supported a 3rd 120 mm fan at the bottom below the cooler which brought in cool air not going through radiator. the temps were great on CPU and GPU and hardly any dust got into case.

question is pretty specific. My next build, will probably use the 400c again, I want to get a 280mm kraken x62 or h115i Pro and have the same 3x120mm fans as exhaust. I feel like in my 1st build, the extra fan under the cooler as intake helped with positive pressure in the case but with the 280mm rad, It wont fit. i know 140mm fans are more powerful, but will 4x140mm fans going through radiator have enough airflow to match/more than the 3x120mm exhaust?

couple side questions. I really liked the SP 120 HIgh performance... why doesn't corsair make this in the 140 without LED??!!?!?! So i will probably use the Nzxt Aer P 140s/120s for fans this time around. anyone use these? have any issues or pretty much same as the Corsair SPs.

with push/pull , I cant fit a 1080 ti ftw3 or strix. I could use other 1080ti's but those have clearly been rated the best. Any other cases similar in size to the 400c allow for push/pull and room for one of these cards? If not, will probably get the evga 1080 ti Sc2
 
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Aeacus
Just run your exhaust fans at lower speed than intake fans to maintain the positive pressure and you're good to go.

If you want 140mm non-LED fan then use Corsair ML140 Pro non-LED,
specs: https://www.corsair.com/us/en/LED-Color/Fan-Size/Package-Quantity/ml-config/p/CO-9050044-WW
review: http://thermalbench.com/2016/07/29/corsair-ml140-pro-140-mm-fan/

Corsair ML140 Pro fans are the best performing fans offered by Corsair and they are also one of the best performing fans out there. Also, ML Pro series fans are one of the few fans available that use mag-lev bearing.
In my Skylake and Haswell builds, i have 4x Corsair ML Pro fans in use (4x in each build) and i'm very pleased with their performance (full specs with pics in my sig).

If...
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Aeacus

Aeacus

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Just run your exhaust fans at lower speed than intake fans to maintain the positive pressure and you're good to go.

If you want 140mm non-LED fan then use Corsair ML140 Pro non-LED,
specs: https://www.corsair.com/us/en/LED-Color/Fan-Size/Package-Quantity/ml-config/p/CO-9050044-WW
review: http://thermalbench.com/2016/07/29/corsair-ml140-pro-140-mm-fan/

Corsair ML140 Pro fans are the best performing fans offered by Corsair and they are also one of the best performing fans out there. Also, ML Pro series fans are one of the few fans available that use mag-lev bearing.
In my Skylake and Haswell builds, i have 4x Corsair ML Pro fans in use (4x in each build) and i'm very pleased with their performance (full specs with pics in my sig).

If you have the 400C, measure the GPU clearance you have, so you know how long of a GPU you can fit in there with front rad in push-pull.
 
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andrewmorgan98

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Thank you so much! I will definitely check the ML fans out. They and the Aer P 140s have similar specs both topping up around 3mm-h20. Really trying to go for a matte black/red/white build with just white led strips. I know the sp120l and the sp120 high performance and assuming the sp140l get real loud at top speed but having that extra power feels reassuring and I feel like the 4 120sp in push/pull in my old setup really kept my temps low on long gaming sessions. Is there really a noticeable difference in temps with that extra power... Say 4mm-h20 on sp140l and 3mm-h20 on the ML140?

Getting a new case seems to be tricky. I would definately like the ftw3 but I can't find a case that allows for push-pull intake and a card 290mm-300mm long. The enthoo evolve and p400 I think allow it but I really dont like the ssd mounts along the inside wall(I guess my push pull would block those) or the grated psu shrouds. The fractal design r6 is just way too much extra room. Hoping to find a mid tower with enough room and possibly the bottom fan intake next to psu if go with a 280 rad. I guess a 360 rad would allow for more cooling than a 240 on the cpu and let me use an extra intake fan on the front compared to a 280. I know push/pull isnt noticeably better for cpu cooling but the extra airflow will help everything else. I'm obvioisly pretty specific but maybe someone else has had the same experience.. Don't know till I ask
 
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andrewmorgan98

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And what's the difference between the ML140 and the ML140 pro..just the black blades? Ah n/m I found it..man almost 30$ a fan for the ML pro. I can get 2 aer Ps for that..but they do sound sweet I must admit.
 
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Aeacus

Aeacus

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ML140 Pro fans give you quieter operation over SP140L fans. You'd also loose little bit of performance since ML140 Pro is a bit weaker compared to the SP140L. I can't tell if you'd see higher temps with ML140 Pro fans since i couldn't find any proper performance comparisons between SP140L and ML140 Pro.
But if you want absolute best performance then go with Noctua NF-A14 industrialPPC-3000 PWM,
specs: https://noctua.at/en/products/product-line-industrial/nf-a14-industrialppc-3000-pwm/specification

Specs rundown between SP140L, ML140 Pro and NF-A14 industrialPPC-3000 PWM,
First off, airflow (higher is better):
Corsair SP140L - 113 CFM
Corsair ML140 Pro - 20-97 CFM
NF-A14 industrialPPC-3000 PWM - 158 CFM

Static pressure (higher is better):
Corsair SP140L - 3.99 mmH2O
Corsair ML140 Pro - 0.2-3.0 mmH2O
NF-A14 industrialPPC-3000 PWM - 10.52 mmH2O

RPM range (wider is better):
Corsair SP140L - 2100 RPM
Corsair ML140 Pro - 400-2000 RPM
NF-A14 industrialPPC-3000 PWM - 800-3000 RPM

Noise level (lower is better):
Corsair SP140L - 43 dB(A)
Corsair ML140 Pro - 16-37 dB(A)
NF-A14 industrialPPC-3000 PWM - 41.3 dB(A)

Push-pull isn't necessary and i suggest you run your rad fans in pull. Reason why,
youtube: https://www.youtube.com/watch?v=UyC3lZ5WFMk

As far as looking for a new case, your best bet would be using 2x NF-A14 industrialPPC-3000 PWM in pull which gives your AIO enough clearance in most cases. That and you'll also get more performance with Noctua industrial fans than SP140L fans since one Noctua industrial fan has more than double the performance of single SP140L fan while being quieter at the same time.
 
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andrewmorgan98

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Thank you so much. Yeah the specs are tooo obvious when adding sound in there. The sp120 high performance are great but the MLs do roughly the same cooling at half the noise. Will most likely go with the ML Pro fans.
 
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andrewmorgan98

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Thank you so much. Yeah the specs are tooo obvious when adding sound in there. The sp120 high performance are great but the MLs do roughly the same cooling at half the noise. Will most likely go with the ML Pro fans.
 
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