Static Pressure vs. High Airflow Fans As Fast As Possible
Techquickie
·Techquickie
·2016-05-06
·
1,072 words · ~5 min read
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when it comes to cooling down a PC many enthusiasts and Gamers want to make sure
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that they've got some serious flow going on and no of course I'm not talking
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about your questionable hairstyle but about airflow but unlike buying say uh
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ceiling fan picking the biggest fastest
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spinning computer fan you can find is not always the best solution don't get
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me wrong fan sizes and RPMs how fast
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they SP are important but an element of
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fan design often overlooked by novice Builders is whether the fan is optimized
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for high air flow or high static
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pressure but what does that mean I mean can't any fan provide decent air flow if
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it spins fast enough well actually different fan blades are engineered to
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move air in different ways fans marked
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High airflow have one objective in mind to move as much air as POS possible
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through an open opening you might see
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the marketing for a high a flow fan focus on its CFM rating which stands for
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cubic feet per minute since a cubic foot is a measure of volume then this is
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indicative of the actual amount of air that the fan can either intake or
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exhaust or I mean if you think about it they're both going to be about the same
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on the other side of the coin are high static pressure fans static pressure is
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actually a concept in in fluid dynamics but don't worry too much you don't need
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a degree in physics to understand how this relates to cooling down your rig
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simply put High static pressure fans are better at forcing air harder through
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small spaces they may not move the same
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volume of air as a high air flow fan if
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they were both in sitting on a desk with nothing to push through but they
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typically blow air a little bit of air
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more strongly so when exactly do you want to pick one over the other well as
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a general rule high air flow fans are better suited to be used as case fans PC
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cases tend to be relatively open inside that is assuming you didn't cram a bunch
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of wiring into the front of it or like Snoopy or something meaning that being
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able to move lots of air at once can result in more effective cooling by
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contrast static pressure fans typically find their homes on things like heat
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sinks or Cooling radiators cooling components like these often have lots of
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metal fins that are used to increase the surface area of the device that needs to
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be cooled and to dissipate heat so to
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cool off the heat sink properly air needs to move through these fins with a
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sufficient amount of force in this situation to make sure that the amount
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of air moving through your heat sink is high enough you've got to have high
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static pressure but that doesn't mean
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that static pressure fans are a one-trick pony in fact they can often be
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a good choice for chassis fans if you've got some kind of an obstruction that
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might hinder airf flow otherwise for example many cases have hard drive cages
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directly behind the front intake fan so in this situation a static pressure fan
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can be more effective at getting the air through these small gaps they can also
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be useful if you have a case with very narrow vents on the front or a fan
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filter that's designed to filter the dust out of the air but is of course
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going to obstruct airf flow since many
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radiators and CPU heat sinks come with fans pre-installed it's a good idea to
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ensure that they're high static pressure if you want to get the best performance
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possible despite the fact that these fans are better for CPU cooling some
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manufacturers stick with whatever standard airflow focused fan for
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whatever reason to do your homework so you're getting the best performance
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possible of of your new cooling solution after all there's nothing quite like the
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feeling of seeing your temperature stay low after hours and hours of gaming that
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is assuming you didn't build your computer into the side of an
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the video description so thanks for watching guys if you like this video hit
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one thank you good throw a nice
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glow-in-the-dark frisbee what's he going to do with it we
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don't know