this is a question i've been asked a hundred times and based on a quick
google search it looks like there are quite a few other folks who want the
answer how hot can my pc run before it's
not safe anymore okay well let's start with why you would
care how hot it runs on lots of reasons high temperatures can cause all kinds of
stuff in semiconductors it increases the electrical resistance
reducing efficiency it can speed up the degradation of electrical pathways
within the component allowing errors that cause data corruption and it can
even if the proper safeguards weren't in place caused the low temperature solder
that is sometimes used to completely melt
alrighty then that's very scary can you give me the answer now Linus well hold
on let's start with some information from the websites of a couple of
computer hardware manufacturers you may have heard of the t-junction temperature
the point at which it will turn down its own speed to preserve its life for the
Intel core i7 4770k CPU is 105 degrees
celsius the out of the box standard operating temperature of 95 degrees
celsius for AMD's r9 290x graphics card
is to quote AMD perfectly safe
while powered on a wd red hard drive can operate anywhere from zero to 70 degrees
which in their testing produces no unrecoverable errors and a gtx 780 ti
ships at an 80 degree maximum and NVIDIA theoretically allows up to 95 degrees
but we found that they actually limit it to around 86 degrees celsius so those
are super scary high temperatures Linus my friend said it should be lower are
they misinformed if it says it's okay directly on the manufacturer's website
why is there so much confusion out there about this because it's not quite that
simple unlike the engine in your car which uses
a thermostat to maintain itself within a very narrow range usually with between
90 to 100 degrees celsius most pc parts
don't have moving parts that rely on tight manufacturing tolerances and high
performance lubricants to keep them functioning so they don't really have an
optimal operating temperature that means that while the hard drive with moving
parts specified a maximum temperature for the other stuff a maximum is
specified and a minimum is not because you can pretty much run it as low as you
want and it'll be happier than a pig in split
with that said lower is better if you're
taking the appropriate precautions for most people you're not going to want
your temperatures to drop any lower than ambient or the temperature of the
surrounding air because below that temperature water droplets forming on
your components due to condensation becomes a major concern water is worse
for your hardware than high temperatures so here's the summary first check out
the manufacturer's product page then take that information with a grain of
salt if you're one of those people who believes in taking really good care of your stuff and you want to be sure that
your hardware will last and be reliable keep in mind that the way manufacturers
rate their products is based on the way they expect most people will actually
use them they're not expecting you to still be using that CPU graphics card or
hard drive in 10 years time and they certainly aren't giving you a warranty
that lasts that long so they build some buffer into the numbers but they don't
worry about those fringe cases too much so for added assurance take their number
and build in your own buffer that makes you feel comfortable speaking of fringe
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