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Airflow planning help with the Fractal R5 case help?

fullmetalmage

53 months ago

Hey guys,

I'm pretty much decided on using the R5 for my first build case. It has everything I want in a case, and only small nitpicky things that I can live with (optical drives not uniform, no top dust filter, which I can buy separately).

Note please: I am NOT fretting about a little noise. As long as it isn't too loud, I'm fine. I'd rather have a lot easier time managing dust/minimizing it, and cleaning, as I need to begin better cleaning habits for my electronics for increased lifespans

I had a bit of motivation today to plan out the airflow for my build, but recently I've been confused after watching videos on positive/negative/balanced airflow, and which orientation to mount fans on a radiator (I'll be utilizing an H100i on an i5-4690k). One video says that pull is better for less dust buildup, another says push-pull is best, and another says push is best.

Pull

Push

Push-pull

Generally, I seem to be on the mindset that, if the difference in temperatures is almost 1 degree Celcius/negligible, then I'd want to put the two fans on the H100i on the bottom, farthest away from the top of the actual case, so they are visible in the window, fit in with my theme I'm planning with the color rings, and general aesthetics.

I'd like some discussion on this attached picture, which outlines my planning at the moment and general mental image: Outline

On that image, I pose 3 concerns:

  1. Balanced, or positive airflow? Which do you find better?

  2. What fan configuration would you set up with the H100i on the top side? Push, pull, or push-pull?

  3. Assuming I do end up configuring the fans as pushing through the radiator through the top side, do they count as exhaust for a balanced setup? >or should I add more airflow fans? Maybe one on the bottom as exhaust as well due to the bottom having some elevation off the table by the case >feet?

Comments

  • 53 months ago
  • 2 points

(I'll be utilizing an H100i on an i5-4690k).

As long as it isn't too loud, I'm fine.

if you haven't bought the H100 already, it would be a better idea to get the nepton 240m which performs better and doesn't suffer from a noisy pump..

if the difference in temperatures is almost 1 degree Celcius/negligible,

exactly... the only reason to use push pull is with a thick radiator like the H80i. I would consider getting noctua NF-F12 fans for the rad as they have the best noise to performance ratio.. You just need to filter the intakes. If the 240m rad is installed on top, then because it should be exhausting (as cold air rises) then you wont need filters there.

fit in with my theme I'm planning with the color rings, and general aesthetics.

I know corsair fans with the rings do look good, but honestly you don't want them on a silent build, the R5 is the best silent case right now IMO. You need silent fans like the noctua ULN (ultra low noise). Corsair fans with good airflow and static pressure are NOISY. And the silent ones are a joke , no static pressure and very little airflow.

I'd like some discussion on this attached picture

you should be fine...if needed just add fans later but I would just add more fans depending on components youll be using. You can add a fan intaking on position 3 of picture.

  • 53 months ago
  • 1 point

I really do appreciate that you took the time to answer my post thoroughly man- I'm still relatively new to building, but I'm trying to absorb as much as I can. Thank you very much! I'll keep all of this information in mind

  • 53 months ago
  • 1 point

you're welcome.. :)

I'm still relatively new to building, but I'm trying to absorb as much as I can

and you have a good idea!!!

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