do you really need that goopy gray weird
smelling paste on your CPU can't we just sit our impressive looking heat sinks on
top of our processors and be done with it no not even remotely and here's why
many heat sinks don't sit flat against your CPU and in some cases with good
reason but that might be for another video rather they're either concave or
convex so there's a fair amount of space where your heat sink and processor
aren't making prop contact also even
though the top of your CPU or the bottom of your heat sink might look perfectly
smooth even shiny in some cases they're actually rougher at the microscopic
level than you might think and as a result they don't actually sit
completely flush against each other this means that without thermal compound air
pockets exist between your CPU and your
heat sink so why is that a problem well
it turns out that even though hot or cold air makes dramatic difference in
how your body feels as the seasons change air is actually a very poor
conductor of heat in general if you don't believe me try holding a steak an
inch above a frying pan instead of placing it inside and let me know how
that goes for you so thermal paste fills these would be air gaps so that your
heat sink and CPU are touching more directly and the good stuff anyways is
also made from special materials that help conduct heat properly so that it
can go up into your heat sink so while you can use toothpaste as thermal
compound to save money you probably really shouldn't for this to work best
the conducting material in thermal paste is usually some sort of metal with more
expensive varieties containing things like powdered silver and while this
makes sense since metal conducts heat quite well it used to cause problems for
novice Builders who put on too much thermal compound because metal Paste can
also end up being electrically conductive oops fortunately it's less of
an issue these days with higher quality compounds like Arctic Silver 5 managing
to remain non-conductive in spite of using metal
though you still need to keep it away from metal contacts and traces as it is
mildly capacitive which can still be a problem but if you want to be really
safe you can buy thermal paste that contains no metal at all these are
typically made of ceramic though more Exotic Solutions that contain things
like diamonds do exist although they sadly won't add a bling factor to your
rig they will do a decent job of keeping your processor cool however the downside
of these is that you typically won't get quite the same level of performance as
you would with a more metallic based Pace but highquality Ceramics are not
only cheaper they will also only set you
back by a few degrees in most cases and are actually the best option for exotic
Subzero cooling which you can check out
here and of course if you want to avoid messes entirely you can get thermal pads
usually just is made of silicone which just sits squished between your heat
sink and whatever you're trying to cool you commonly see these on small graphics
card components since there's no danger of leakage but since they can't get down
into the micro crevices as well as paste performance won't be nearly as good so
you don't see them on CPUs or the actual specific GPU very often whatever you do
though make sure you aren't accidentally buying thermal adhesive these glues or
epoxies permanently bond to two things together this stuff used to be somewhat
common in certain PC components but has now been mostly relegated to smaller
electronics that aren't meant to be taken apart nonetheless it's still easy
to buy so make sure you're getting the right stuff if you don't want to end up
stuck without a working CPU I'll show myself how it that was a
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don't like it or whatever if you're like this topic sucked I have a good idea for
another one let us know down below and give us a comment and whatever else you
want to do also check your Channel Super Fun because they are super fun and I'll
see you next time