WEBVTT

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contrary to what you guys said the legs never fell off and my original desk pc's

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performance has held up nicely as my daily driver but there are a few quirks

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that never got addressed so we're going completely back to the

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drawing board and building a brand new desk pc from the ground up

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with a challenge we're gonna cram a complete water cooled

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gaming system into the thickness of a regular desk

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introducing the LTT d2 it's got more d

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than we've ever had before elgato's new wave 1 and wave 3 usb

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broadcast microphones are here use their wavelink app to control your wave mic

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and up to seven other audio sources and create independent mixes we're gonna

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have them linked below

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let's start with what the original desk pc the d1 did well from the beginning

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the liquid-cooled core i7 extreme 6950 performed as you'd expect

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great even today if we're being honest and the NVIDIA gtx 1080 and 64 gigs of 3200

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megahertz dominator platinum RAM didn't leave much to be desired either but

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things have changed and AMD is now the weapon of choice for overkill pc

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builders now let's talk about those small issues with the d1 that bother me

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on the daily the lack of front i o is something that i miss

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almost hourly actually not not just daily the vibrations from the fans and

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the hard disks transfer up into the glass causing a weird buzzing sound

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sometimes it's not particularly quiet other than that fan and RGB control are

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two things that have improved vastly in the last few years and the biggest one

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there is nothing more annoying and painful than

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scooting my chair up to the front of my desk only to have the corner jam into my

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leg and the armrest poke the power button so i made the decision to rebuild with

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our new workshop and new talent we're well on our way to making a desk pc that

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is gonna blow the old one away i've enlisted the king of builds that take

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too long colin to design the new desk that fixes all the existing problems and

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fits a few more key requirements as i alluded to before number one is we're

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going one u packing everything into a one u space that's the slimmest that

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you'll see out of a commercial server is going to be a challenge but

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dang is it ever gonna be slick 1.75 inches of height is only a quarter

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of the current one number two we're gonna hardline water

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cool everything this time no easy route

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putting all the tubing under the desk and strapping it to the bottom number

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three we're gonna upgrade the performance because we can we started by

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getting the main ideas down on paper and by paper of course i mean ms paint what

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a masterpiece then with the key deliverables roughed out colin began

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pulling existing cad designs from online sources like grab cad and from

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manufacturer self-published files to begin modeling up the desk spending time

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designing is where a penny of investment really does equal a pound of result

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because solving problems in cad ahead of time is much better than fixing them

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later for example we originally had the exhaust going downward through large

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flat mounted radiators this would have given us great cooling but because of

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the lack of space there was no way to get even 90 degree fittings onto our

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rads here's another fun one i had assumed

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that we would run tubing over some of the components but as it turns out there

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is just no room this forced us to make significant changes to the layout to

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accommodate parallel runs system-wide as of writing we're on roughly milestone 7

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here and realistically we'll probably keep iterating but we're far enough

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along to give you guys a closer look at it the overall size of the desk hasn't

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changed much from the onset at 60 inches by 32 inches that'll make it a smidge

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deeper and about half a foot wider than the d1 the d2 is also going to forgo the

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weird glued on table legs that didn't fall off

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and use the same standing desk base from vivo that i actually use at home

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motorized desks have come both down in price and up in capabilities since they

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first hit the mainstream and the dual lift motors on this unit shouldn't have

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any trouble lifting our desktop with its 275 pound rating the position of the

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motherboard and graphics card have been pretty much set since the early

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revisions side i o like on the d1 is a

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bit easier to reach around to than having all the ports in the rear but the

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only reason that we did it that way in the first place was because we didn't

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have any front ports built into the desk i also really like the idea of having

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the motherboard and graphics card sitting front and center in front of me

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the position has been inset about an inch from the back to give a little bit

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of space for cable strain relief the static pressure optimized fans have

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moved around a lot they were originally placed on either side of the desk

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drawing filtered air into the desk from the bottom to be passively exhausted

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through the radiators next to them the problem is that any of the non-water

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cooled components wouldn't be getting enough airflow after mocking up some

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different layouts for aesthetics we settled on rads on the right and fan

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banks on the left our dual 480 millimeter alpha cool x flow rads

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well they're not our 480 millimeter ads

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because we ended up getting rid of them because of the right angle fitting issue

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that i alluded to before and we could have solved this by kind of pocketing

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out the desk in the bottom to fit these parts but that was against the clean

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sleek design philosophy of the project thankfully alphacool has an exhaustive

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list of radiator options so we snagged some 3d models for 40 millimeter thick

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1u rads and then doubled the quantity up

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to 4 rads to make up for the loss of cooling capacity pretty much every

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layout of these small rads was considered up and down left and right

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baffled staggered exhausting out the back exhausting out the bottom you name

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it in the end we added two more bringing the total up to six with three double

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stacked banks around the perimeter of the desk passing warm air out the right

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side and back now we're gonna know if this is gonna work by the time

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fabrication starts because we've already got our rad stacking follow-up in the

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works so make sure that you're subscribed so you don't miss that moving

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all the water around is going to be handled by dual ddc pumps mated to

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alphacool 1u manifold blocks we're honestly not huge fans of these but

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they're one of the only options for fitting into this slim height now they

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are technically marketed as reservoirs but a loop this size with all this

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tubing could honestly take hours to fill with a reservoir that small so we're

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going to be making our own in the shape of a one foot diameter LTT logo with RGB

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of course we then threw a little flow indicator between the pumps for good

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measure now we didn't want to make any compromises on the actual pc hardware so

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we're going to be using an ASUS zenith 2 xtreme a top of the line trx40 board for

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our threadripper CPU and then directly beside it is going to be an rtx 2080 ti

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both of them topped by sweet ek water blocks we plunked some hard drives in

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mostly to take up empty space but i mean come on if it's going to be an ultimate

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desk pc design we might as well have 50 plus terabytes of storage in it right

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and last but not least is power you might have noticed that there's no

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power supply thing is one new power supplies are incredibly

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loud so including one was not an option to meet our quiet design goal

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the intention right now is to use external power bricks then we're pretty

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sure we're going to need two of them and then a pair of hd plex dc to dc

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converters mounted in the top left cable runs will likely go under the table but

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the thing is that's not because we couldn't have kept them all inside but

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rather for aesthetics reasons so that's the plan in our next episode you're

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going to see us bringing all the parts together and hopefully leak testing our

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custom reservoir i hope you're looking forward to it as much as i am private

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they've got clients for Windows macOS Android iOS and Linux and look at that

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i've got updated talking points apparently you can connect up to 10 devices at once check it out now the

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link below if you guys are looking for something else to watch hey it's been a

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while maybe go check out the original desk pc build

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it's kind of a fun series of videos