Should i take AirFlow or sp fan ?
- Thread starter Gakkai
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amtseung
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Which case do you have? Is it on the floor/carpet or up on your desk? What other case fans are you already using and where?
In general, I've found that static pressure fans work better as intakes unless your front panel is wide open, then an airflow fan might be better. For example, the NZXT S340 benefits greatly from having two static pressure fans in front versus two airflow fans. And literally any fan will work as an exhaust. Oh, and make sure, if it's a fan on the floor of the case, that it's got a dust filter.
In general, I've found that static pressure fans work better as intakes unless your front panel is wide open, then an airflow fan might be better. For example, the NZXT S340 benefits greatly from having two static pressure fans in front versus two airflow fans. And literally any fan will work as an exhaust. Oh, and make sure, if it's a fan on the floor of the case, that it's got a dust filter.
Hey I have a Thermaltake V71 i have 2x 240MM ventilator on the front (intake) 1x240mm on the top (exshaust) 1x120mm on the back (exshaust but its my watercooling ) and my case is on my desk and yeah there are filter of dust everywhere xD
amtseung
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Ah, I see. two 240mm fans in front... :O That's pretty awesome.
PC fans in general don't actually blow straight out, they blow out at an angle, roughly 45 degrees outwards, with very little airflow actually going in the direction you'd expect it to go. For this reason, if you put a fan in the bottom, you'd find the air being pushed by the intakes fighting the air coming from a bottom intake, reducing overall case airflow.
It's usually better to keep the air in a case directional over just having a huge combined CFM. It's why cases like the S340/P400/400C can have so few low-rpm fans but still have such good case airflow.
PC fans in general don't actually blow straight out, they blow out at an angle, roughly 45 degrees outwards, with very little airflow actually going in the direction you'd expect it to go. For this reason, if you put a fan in the bottom, you'd find the air being pushed by the intakes fighting the air coming from a bottom intake, reducing overall case airflow.
It's usually better to keep the air in a case directional over just having a huge combined CFM. It's why cases like the S340/P400/400C can have so few low-rpm fans but still have such good case airflow.
I want that so my graphic card fan have air coming H24 its a huge graphic card (GTX 1070 G1 gaming 3 FANS) and the ventilator will be just under it also my CPU is watercooled so my watercooling take fresh air just of the front top fan... It's a bad idea to put a ventilator on the bottom of my case ? Ty
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