WEBVTT

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if you're serious about pushing your computer's performance while keeping it

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as cool as possible the long-standing advice has been to opt for water cooling

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rather than rely on air cooling and generally speaking there's something to

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this advice unless you're comparing a basic all-in-one water cooler with a

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really beefy high-end air cooler putting your CPU or your graphics card for that

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matter under liquid should yield better results but have you ever wondered why

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this is the case i mean what's so special about plain old water

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as it turns out quite a lot every substance has an intrinsic

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property called heat capacity and simply put this is how much thermal energy it

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can absorb before it changes temperature

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turns out that water has a higher heat

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capacity than most other common substances

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think about it for a second you've got a large swimming pool that's getting beat

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on by the sun during a scorching hot day and yet you jump in and it's still

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shockingly cold even in the late afternoon this is because of hydrogen

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bonding at the molecular level the oxygen atom in a water molecule is quite

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electronegative meaning that it attracts electrons which gives it more of a

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negative charge than the two attached hydrogen atoms so this means that the

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more positively charged hydrogen atoms of the surrounding water molecules will

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stick to the oxygen atoms and prevent the molecules from moving around too

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much when heat is applied and since higher temperatures are a result of more

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molecular motion all of this means that water can resist temperature changes

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better than the metals that are commonly used in air coolers so coming back to

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what this means for your pc strapping a water block to your CPU or your GPU

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means that your chips will be spitting out heat into a substance that can hold

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much more heat than an aluminum heat sink with a fan attached to it but

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that's not even the whole story there's also the fact that there's a practical

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limit to how much heat sink you can strap onto a CPU socket before it

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becomes too large and too heavy so another way that water coolers achieve

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better performance is by having very large radiators to dissipate the heat

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that's been absorbed by the water further improving overall cooling

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capacity furthermore because pumping water from

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the CPU to another part of the system is so fast and efficient many water cooling

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systems are designed to take the warm water away

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where it can get easy access to fresh and cool air other people prefer to

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mount their fans in such a way that they'll blow the waste heat right out of

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the case ensuring that the hot air from their CPU isn't affecting their other

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components even aside from raw performance though water coolers do have

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other advantages because water cools more efficiently than a metal heatsink

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alone water coolers are generally quieter because the attached fans don't

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have to work as hard to dissipate heat and compared to a beefy tower style air

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cooler they also take up less space put less torque on your motherboard

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eliminate worries about your CPU cooler conflicting with being able to install

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your RAM and are generally more aesthetically pleasing if you want a

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clean looking build however despite liquid cooling's many advantages there

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are some things you should be wary of before you rush out and buy a water

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cooler although springing a leak in a well-designed loop is rare it can happen

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and while some coolers are filled with distilled water or other non-conductive

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fluids even these substances are liable

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to pick up ions from the metals inside the cooler and become conductive over

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time so you'll want to make sure that whatever brand you buy from has a

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reputation for covering the cost of other damaged components if the worst

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happens additionally don't feel compelled to

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spend extra money on a water cooler if you aren't overclocking

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although you can still reap the benefits of better aesthetics and reduced noise

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though it should be noted that very high end air coolers actually can run quieter

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than water coolers because they don't require pumps the more you know your CPU

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is going to function just fine at stock speeds with the cooler that comes in the

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box or worst case scenario a modest

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aftermarket air cooler because long gone are the days when your typical beige box

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system sounds like a jet engine when it's being put through its paces

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