oh it's not a fire hazard no this is a firehouse
actually this is really bad too it's a solid 6 out of 10 firehouse
in this box is a power supply that can supposedly provide
3450 watts of power how did they do that you ask
evidently by bolting two power supplies
together how on earth are we gonna test a
3450 watt power supply oh don't worry
we've got some ideas and it involves putting not one not two nothing not four
not five but six rtx 3080 is on the line
so i really really hope this thing doesn't blow up like this segue to our
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first of all strictly speaking this is not two power supplies bolted together
because it only has one input which is actually kind of terrifying there's a
lot terrifying about this how could you possibly expect to get 3450 watts out of
one c13 power connector yeah that's a good question how much do i pay for this
thing 300 canadian do you want to know something that's kind of fun i mean
other than the like sort of bitcoin logo ripoff yeah do you want to know the
number one thing that was bought with this at the same time it's got to be a
mining rack no yes again
pillow oh uh fire extinguisher this hat
okay i guess i have to wear it for the rest of the video then right obviously
wow it's definitely got ample cooling on this bad boy you've got dual 80
millimeter fans in the front dual 140 millimeter fans on the top and
actually what looks like a pretty decent amount of heat sink in here it's almost
like the platform was designed for a considerable amount of power but then
they just didn't put a lot of it in here yeah do you want to open it up it is two
power supplies i thought the pcb went all the way acro
what the [ __ ]
i always get concerned when companies make up their own certifications 90 plus
platinum not a thing and if it was it would probably be platinum colored not gold
which makes me wonder how much of anything else on here is actually real
it supports 180 to 200 volt ac input
which makes sense there's no way you'd be i mean you'd blow the circuit before
you managed to pull 3000 watts out of a 120 volt circuit is it time to open it
yeah all right let's do it where's my LTT Store screwdriver if you're not
already make sure you sign up for the wait list because one day this fine man
will deliver a finished screwdriver oh are you opening up a real power supply
yeah so this is a 1600i
you would kind of want two of these to get over 3000 watts yeah kyle's our lead
creator warehouse engineer and he apparently spent the last few weekends
learning about power supplies after being put on the spot last time we
opened up a sketchy power supply so hopefully he's able to provide us a
little bit more insight this time around we'll see how good his studying skills
are so kyle you've already opened this right
uh yes uh be careful yeah yeah yeah this is the part of the
video where we say don't do this we do
not recommend opening up any kind of ac
to dc power supply there are capacitors in here that will store enough power to
throw you back across the room maybe not quite that much crt tvs yes these maybe
not quite so much but you could die what it looks like to me is we have a single
power input that has been simply pigtailed out to two discrete power
supplies but what i think has happened here is the second power supply only
contains the bare minimum required to produce 12 volt whereas the primary one
has all of the other rails that would be required to run a pc so your 3.3 volt
your 5 volt and that's what all of this componentry that's missing in here
is doing over here what i have no means to evaluate is whether this is a quality
12-volt power supply now or a pretty
junk one i would hazard a guess that at 150 each
they're not really anything special kyle tell me more i would like you to draw
your attention to the power switch that's on there and tell me how you
think that works good god
okay what does the green on a 24 pin mean well the green on a 24 pin is your
power on wait it just goes straight to the power switch that's not normal
yeah what do you think's on the other side of the switch if you were to take a guess what would be on the other side of
the switch well a switch is normally in a closed position to allow current to
flow and in an open position does not allow current to flow what would you
expect to go to one side of the switch a ground and then on the other side you'd
go the la for the other lively to the board right wait holy sh
this switch doesn't actually turn off the
power supply this switch turns on the power that is not how you
are supposed to do that just to validate that let's have a look at our ax1600
this should kind of be all you need to know though because this is what a
quality 1600 watt power supply looks like
next to a random banggood.com
3400 watt power supply look at the size of this primary side cap
holy bananas we've got our live we've got our neutral
we've got what seems to be a fuse okay so that's basically what you call an
x-class capacitor it goes across live and neutral live and common
and then right next to it are two wide class capacitors that go from your line
to chassis or earth ground it's for emi and without going too turbo node into it
emi is bad and those help in some way they transform a very ugly voltage into
a nice cleanish sine wave depending on how many you have and how good quality
they are oh we're missing uh we're missing one of these boys who was
supposed to be on the board here well and you just missed the other thing that's missing oh wait what is that
what's supposed to be here wait is this just bridged what's supposed to be there
something called a common mode choke wait they just they just soldered wires
across it yes and that's not a common mode choke i can guarantee that
from there we go into a standard uh full
bridge rectifier shout out to our electro boom then we go into just a
regular smoothing capacitor and then this is pretty interesting it's an ntc
but it doesn't do anything with temperature it's actually a inrush
current limiter so it's when you plug this in you don't trip your breaker by
charging these caps this along with a power mosfet a diode and
some control circuitry that exists is your active power factor correction okay
so it has it whether it works remains to
be seen we can't do anything right now until we take this board
and re-solder this resistor over here wait what why because it's not connected
oh my god it's not soldered yeah well how many other things are not soldered i
i do not know that's the only one i saw
oh my word the um yeah okay so where will be careful so the ground wire of
the low side here is connected to this board as well and there's a very sketchy
heat pad on the bottom that i took off to see what it was and now it won't go
back on can you poke can you poke it a little for me well it did not well you
won't be able to find it because it's got solder in it you have it it doesn't have solder in it though it does it's
just it doesn't have the lead in it oh okay oh my god i don't think either of
them are through the board no i thought the other one was nope
through the board doesn't matter as long as it's making connection to the angular
ring that's good enough yeah okay now well there's there's loose and there's
like loose with three elbows they're both loose loose okay look neither of
them are attached at all i didn't break anything
i broke nothing it was broken
don't i think we should teamwork this it's really easy to find which holes we're
targeting because they are this one and this one where there are no legs coming
through compared to this one and this one which are the other sides and you
can clearly see the legs coming through the bottom okay uh this one this one
this one should we do this one for these two yeah we can do the top one first one sec are you pushing it in the hole
how's your aim i know it i'm okay minnie number one oh
freak i don't know if i trust my hand so close to Linus and the soldering iron
i'm fine oh oh oh oh oh i see it yes
yes yes okay it's crowning
okay yes oh no the resist is the wrong way around shut up it is not
in order to know how much the power supply is drawing normally you'd use something like this unfortunately
those only work for 110 volts so i bought this thing right here wait you
just put the cable through here
and then you get a readout sort of yeah but wait how do you get this around the
cable well that's the sketchy thing that we have to do oh my god you're just
gonna cut it yeah now viewers i'm sorry that this is what we're doing but there
is a good reason we're buying cheap crap
like this because we bought a very expensive tester that's going to be
arriving soon but not super soon because shortages so we don't want to blow a
bunch of money on something that we're just going to replace like
immediately yeah when's that arriving in the middle of the seventh month of the year somebody sent me the date and it
was like 07 and i didn't convert it to
names two months just engineering two months
i don't know if we should even show people this but
this is what we did for the record don't do this yeah really though a lot
of the time we say don't do this this is like for realsies do not do this this is
240 volt then well we spliced in these leads but
which ones do they go in uh these two these two boys here okay no
what are you doing what
okay i'm going to plug this guy in just to find out you don't have the power cable that
lightness is working on plugged in right no and if you did have it plugged in i
would be totally safe see that everything insulated
we grabbed an older x299 platform for this and ASUS figured this was a cool
way to do m.2s back then yeah i'm not saying that someone accidentally knocked
it over and had to put it back in with pliers today but uh don't don't hit it
again please what's broken the border the drive nothing i put it back in with
pliers okay here's your GPU power connectors
oh no okay this is scary should we just test
it like this you know nothing plugged in just to make sure oh yeah we should all
this thing work let's take a sketchy power supply turn
it on with no load 209 volts so we're like right smack on
the 208 volts we're supposed to have in here you might say don't touch it you
might say this puppy has a lot of energy
good luck everybody i think the system's gonna oh
interesting it didn't fire up what what okay maybe we just leave it in the on
position yeah it's in the on position well let's go ahead and bridge it
wait wait what the [ __ ] i pressed the power button oh
those 80 mils those are goers i wonder how much they're fighting with these
140s for moving airflow around in here
it works of course it does oh yeah well what do you mean of course it does
we had to solder a resistor back into it now how much power can it provide 7.2
watts yes does seem to be working all right let's power this boy up you ready
i can't i don't know where the switch is here we go
man that's annoying and loud i am surprised that at idle it is doing
like 200 watts it's a lot why yes kyle
we do still have the camino system i'm assuming you agree that we should try to
power it with this instead of the three 1000 watt power supplies that are in it
i had logistics take it out of here and hide it i don't know where it is
i told you i wanted to try it i know so
i had logistics take it and hide it i don't know where it is
you dick for sampling
i'm thinking render samples 10 000
okay let's hit it hey
that's more like it 400 watts okay yeah maybe just don't hold that you have
one piece of electrical tape between you and 208 volts something rattling in
there let's add some more gpus yeah only 3 000 more to go let's get this power
supply completely unplugged notice how the system is power oh wait is it not
powered down what is it doing is it Windows updating where's the graphics
cards physically going i don't know over the table oh my you're
just putting them everywhere well they have to be within the reach of this
which is not that far because they cheaped out on the copper
okay so our primary goes here then sure yeah that's a good spot oh
uh do you have some zip ties alex wants to file down the backs of these slots
here so that we can fit a 16x card in a 1x slot got a handful of these basically
you just power up this little board there's your 16x slot this usb cable
just plugs into a little PCIe 1x i don't think these things will do more than gen
2 speeds but that doesn't matter for what we're doing why doesn't one of us
do data and the other one do power here i'll
stand there and look uh you can stand there and look imposing i'm so sorry
everyone that sent these to us like i'm sure MSI thought that this would be in
like you know the ultimate gaming pc instead
of this this is all of our 30 80s in the
office if the power supply blew these up we would have no more 3080s left what's the
worst that can happen this power supply has a freaking lot of 8-pin PCIe
connectors on it so credit for that i know i say i've said this a lot lately
but i think this is the worst thing we've ever done
that's the pattern it's this alex character well it's you know you have to
have variety a lot of people in the what was it called desk made of radiators
they were like i miss how janky you're visiting michael you don't have to
one-up your last feature every single time it's time yep shall we bit lunch
and how much the power is going to be closest without going over oh
uh unplugged unplugged
what's up uh we did not do eight pin power for this one
on a scale of one to ten how much of a fire hazard
oh it's not a fire hazard oh this is the firehouse yeah that yeah yeah this is
bad actually this is really bad too oh okay i'd say it's a solid six out of ten
fire hazards okay we're done
there we go now all the fans are spinning this is a thing
motherboards flipping out about having too many PCIe devices and not being able
to boot up oh
where's the camino no
what about we unplug the two that are in the one slots and see what
happens sure and then we'll go get the camino
i don't know where the camino is yes you do
mutiny what i asked for the render server to be
brought out here and instead i get this yeah it's every 30 80 we have plus one i
mean plus one well we have seven now oh i found another one
hit it oh
okay 550 watts at idle it occurs to me
we need to redo our guesses we've got an additional card oh yeah oh here we go
we're going into Windows 918.
900 watts just to fire up the desktop what i mean this is clearly a high
octane desktop here holy crap
wait this is a threadripper pro board yes okay hold on a second now i was
willing to risk a bunch of rtx 3080s but do you have any idea how hard it is to
get your hands on thread rippers these days yes
also what is this boardworth this has got to be like a thousand dollar
motherboard a 1400 1400 i think the motherboard is the least of
your problems GPU zero one two three four five and six they're all in here
holy crap this is an aux power connector
there's two more aux power connectors and then there's dual eight pins for the
CPU this thing is ridiculous we have a total
of 23 a-pin pcies running to stuff uh what
could go wrong kyle in theory it's isolated so nothing should go wrong if
the power supply dies but if you if the
isolation's garbage high voltage goes through and then yeah do the 400 volt
caps just dump into this or potentially to be clear this can happen what he's
talking about is not purely hypothetical this is the point where it maybe goes
pop pop the fad is starting to spread oh whoa there we go
whoa we got anywhere from
230 to 300 watts per GPU
i was way under i think what did i say
damn i need oh 24 19. no 24 22 24 40.
i think i went too high yes yes my boys
i said 2501 i wanted us to i wanted us to break okay wait can we appreciate how
much heat is coming off this thing can we appreciate that it's still running
25 20 yes i win
thank you kyle damn it so does it work
i mean we haven't made it to 34.50 necessarily but we sure as heck got to
2500 we also don't know exactly what the efficiency of this is
so 2500 from the wall sure according to
this thing but it's clear that we need some more sophisticated equipment in
order to really put this thing through its paces now tell me
can our power supply tester do this kind of load yes really so we got the good
one i got 3 500. so like 50 watts more than what this can
do is out limit okay we're throwing in the threadripper pro
we also might just need more RAM how much do you have in 64 32
we're not saying this thing is good or safe no we're just saying that didn't
blow up we will tell you in two months yeah yeah maybe three and what we'll
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