first of all whatever the uh lightning
bolt shaped scar on my forehead might indicate water cooling is not magic it
makes your PC's temperatures lower but it doesn't make your components output
less heat that means that an air cooled CPU that runs at 80° or a water cooled
CPU that runs at 60° are both actually
kicking the same amount of heat out into the room the temperature Improvement on
them comes from water's ability to move Heat away from the CPU to a large heat
exchanger much faster than air this heat exchanger is called a radiator and its
job is to dissipate the heat that your liquid coolant brings to it to the
surrounding air sounds great right so now you want water cooling question
number one I get from prospective water cooling owners is what sized radiator
should I use and the answer is usually the biggest one you can with modern
pumps and CPU blocks as close and performance as they are the size and
type of radiator will often have the largest impact on the system's overall
ability to dissipate heat now most case
manufacturers are actually listing radiator compatibility on their websites
these days so life has gotten a little simpler here but you've still got some
work to do as they don't suggest exactly which product to use because there are
just so many choices let's break them
down a little bit most pre-filled liquid cooling systems use either 120 mm or 140
mm fans and are available in either single or dual fan configurations now
just to make sure you were paying attention which of those four options do
you think is best yes the Dual 140 mm
fan radiator will outperform the other solutions for a couple of reasons by
presenting the fans on your radiator a much larger surface area to cool you're
allowing them to spin slower and deliver
the same performance giving you a quieter system or spin at the same speed
that means more air flow through the fins of the radiator giving you a cooler
system but let's say your case doesn't support 140 mm fans and you still want
more surface area and more heat dissipation good news you can make your
radiator thicker or you can increase the
density of the fins that are folded between the water tubes and the rad by
folding them Tighter and closer to each other this approach does have
disadvantage though making the radiator thicker may cause interference with
other nearby components in some cases and both of these things will require
you to use very high static pressure fans I mean it's generally better to use
static pressure optimized fans on radiators and heat sinks in as a whole
but for dense ones it can have an enormous impact on performance now most
of what we talked about so far is for folks who are buying pre-filled liquid
coolers or custom ones but these last
considerations are mostly for the DIY folks or anyone who bought an expandable
pre-filled like The Cooler Master glacer 240 L some custom builds are going to
require you to find a radiator that has fitting ports on the top or on you know
opposing sides or even on opposing ends
those are out there but they're more of a specialty item for people who are
trying to achieve a very specific tubing layout in their build another thing to
watch out for though it's much less common these days is the material the
radiator is made out of in a water cooling Loop if you're not using
anti-corrosive additives you want to avoid mixing Metals unnecessarily
wherever the water makes contact with them brass and copper in the same Loop
so copper in your block and Brass in your radiator tubes are okay and most
radiators are made of these materials but I do suggest using an appropriate
additive if you want to use an aluminum radiator with that said if the fins in
between are made of aluminum that's just fine speaking of appropriate additives I
guess I'll add this sponsor message huge props to Cooler Master for sponsoring
this episode as fast as possible Cooler Master has a wide range of liquid
cooling solutions from the compact siden 120v all the way up to the Enthusiast
grade and totally expandable Glacier 240
L that I mentioned before which I'm trying to pick up right here there you
go you guys can check out the full details at coolermaster tocom guys like
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