Noctua NF-S12B airflow direction
Hi there, I've recently purchased two Noctua NF-S12Bs from NCIX, and I have a question. To my understanding, the arrows on the fan indicate the airflow direction, but when I check with my hand, it seems to me that the air is blowing out in the opposite direction (opposite the side of the arrow). So really, I'm a little confused. Does anyone have any idea about this? By the way, I have double checked that the arrows are pointing outwards (which as I said, I assume is the exhaust side of the fan).
Thanks for reading!
I have owned Noctua fans before and paid little to no attention to the arrows.
On computer fans air normally blows out in the direction of where the labels usually are (don't know technical term).
Noctua NF-S12 Picture with arrow
From the picture, the arrow does indicate that the airflow is going in the correct direction.
Yeah that's what I meant when I said normally lol.
Well you can also look at the curve of the fan blades and logically assume where the air direction is going.
Ya I have the arrows facing up (since it's I'm using it at the top of the case), but it really doesn't seem to be blowing air out at all.
I've tried to place a light piece of paper on top to see if it'll move but it just stays there lol...
And I'm positive that the fan is spinning, so maybe I'll just try turning it upside-down and see.
Thanks for the replies!
usually the curve of the fan blades give a pretty large indication of airflow. why don't you just power the fan up outside the case? once most case fans get some resistance it's hard to tell if they're doing much at all usually.
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