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At a certain point, the sheer amount of fan housing mass is blocking air flow more than anything else.
There are like 650 USD/EUR worth of fans there
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"Do you want a PC with your fans?"
Real queation: would putting fans in series like this perform (significantly) better?
They would likely perform worse. If ("if", ha) those fans are not in perfect sync, they're going to obstruct airflow. Also, consider that each fan introduces both audible noise and perturbations in the airflow which in turn, also will cause noise.
Incidentally, I have (almost) that very same case, an Antec P182. Mine has a super-quiet PSU fan, and a ginormous heat pipe cpu cooler (HR-1 if you're curious) with one fan ... and that is plenty.
So in the end it might be better idea to go for “push” instead of “push/pull” solution?
Putting a fan after another will up pressure (doubling in theory), but not displace more air. Except if the air has to go through something slowing it down where more pressure will help to push more air through it.
There are obviously lots of variables at play (the extra fan takes up space too, reducing airflow for example) so you are surely right that it's probably useless or worse to have a "double fan" for a PC cooling system, but the fans being in perfect sync is just a noise problem (on small fans like this).
I know it's done in servers with high rpm 40mm fans. To create extra static pressure. But it didn't work with 2x 120mm fan on a aio in my testing.
No
The same amount of airflow is being pulled through, and your static pressure would go up meaning the fans actually need to work harder for the same effect.
This is incorrect. Two fans in series doubles the amount of pressure generated by the fan, while leaving the max flow rate the same. Two fans in parallel doubles the flow rate but leaves the pressure unchanged. This is why some radiators have two fans as it increases the airflow when needing to overcome something with high static pressure.
Fans in series should not be so close as it would cause turbulence, however, some gap will prevent this (or something that naturally fixes turbulent flow, like a radiator).
Probably would only be slightly better, but it would be significantly louder since multiple fans creates significant turbulence.
Forget about jet engines. This thing probably sounds more like a helicopter at close range! The ironic part of this is that it could actually lead to power supply issues, which can be just as bad...
Luckily you can get this fractal case with sound damping side panels! It probably sounds like a helicopter in a subway tunnel below you with the panels on.
For shits amd giggles, I put a couple of industrial 10W fans in my PC once. That probably still made more noise than this. It also created so much overpressure that I could feel air escaping the tower from every little hole or crack. You could hold a piece of paper to the side of the pc, and see it moving because of the air escaping between the side panel and the main hull.
But if these are normal fans (max maybe 1,5W), then the amount of power drawn will be the same as a couple of hardrives.
I think I have that same CPU cooler
What cooler? I see only fans.
Need fans to cool the fans.
that mf at least it goes at match 1
At this point that is a freezer, not a PC.
A shitty freezer that does not go below room temps.
And presto - the drone bot was born.
Noctuwhy?
Unfortunately I can see your case, this means you don’t have enough fans. Fix it.
average intel pc
Still quieter than my PC
The quantum computers are looking pretty cool imho
i genuinely have a pc with a 30 cm fan from a welder bolted to a hole in the side of the case, it runs at 240v and it's one of the loudest things i own, but at least i passed from being continuously thermal throttling to running at a reasonable temperature...
The fan motor itself heats up the air ...
Cool though !
