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 Contrary to what you guys said, the legs never fell off, and my original Desk PC'sperformance has held up nicely as my daily driver. But there are a few quirksthat never got addressed. So we're going completelyback to the drawing board and building a brand newDesk PC from the ground up with a challenge. We're gonna cram a completewater-cooled gaming system into the thickness of a regular desk. Introducing the LTT D2. It's got more D thanwe've ever had before. Elgato's new Wave 1 and Wave3 USB broadcast microphones are here. 

Use their Wavelink appto control your Wave mic and up to seven other audio sources and create independent mixes. We're gonna have them linked below. (upbeat music) Let's start with what theoriginal desk PC, the D1, did well. From the beginning, theliquid-cooled Core i7 Extreme 6950 performed as you'd expect, great, even today, if we're being honest. And the Nvidia GTX 1080 and64 gigs of 3200 megahertz dominator platinum RAM didn't leave much to be desired either. But things have changed, and AMD is now the weapon of choice for overkill PC builders. 

Now, let's talk about those small issues with the D1 that bother me on the daily. The lack of front IO issomething that I miss, almost hourly actually, not just daily. The vibrations from the fansand the hard disks transfer up into the glass, causing aweird buzzing sound sometimes. It's not particularlyquiet other than that. Fan and RGB control are two things that have improved vastlyin the last few years. And the biggest one, there is nothing more annoying and painful than scooting my chair upto the front of my desk, only to have the corner jam into my leg and the armrest poke the power button. (cries) So I made the decision to rebuild. With our new workshop and new talent, we're well on our way to making a Desk PC that is going to blow the old one away. 

I've enlisted the king ofbuilds that take too long, Collin, to design the new Desk that fixes all the existing problems and fits a few more key requirements. As I alluded to before, number one is we're going one U, packing everything into a one-U space, that's the slimmest that you'll see out of a commercial server, is going to be a challenge. But dang, is it ever gonna be slick. 1.75 inches of height is only a quarter of the current one. 

Number two, we're gonna hardline water cool everything this time. No easy route, putting allthe tubing under the desk and strapping it to the bottom. Number three, we're gonnaupgrade the performance because we can. We started by getting themain ideas down on paper. And by paper, of course, I mean MSP. What a masterpiece. Then with the keydeliverables roughed out, Collin began pulling existing CAD designs from online sources like GrabCAD and from manufacturers'self-published files to begin modeling up the Desk. Spending time designing iswhere a penny in investment really does equal a pound of result.

 Because solving problemsin CAD ahead of time is much better than fixing them later. For example, we originallyhad the exhaust going downward through large, flat-mounted radiators. This would have given us great cooling, but because of the lack of space, there was no way to geteven 90-degree fittings onto our rads. Here's another fun one. I had assumed that we would run tubing over some of the components. But as it turns out,there is just no room. This forced us to make significant changes to the layout to accommodateparallel runs system-wide. As of writing, we're onroughly milestone seven here, and realistically, we'llprobably keep iterating. But we're far enough along togive you guys a closer look at it. The overall size of theDesk hasn't changed much from the onset at 60 inches by 32 inches. That'll make it a smidge deeper and about half a foot wider than the D1. The D2 is also gonna forego the weird, glued-on table legs that didn't fall off and use the same standing desk base from Vivo that I actually use at home. Motorized desks havecome both down in price and up in capability since they first hit the mainstream, and the dual-lift motors on this unit shouldn't have any troublelifting our desktop with its 275-pound rating. The position of the mother board and graphics card havebeen pretty much set since the early revisions.

 Side IO, like on the D1, is a bit easier to reach around to than havingall the ports in the rear. But the only reasonthat we did it that way in the first place wasbecause we didn't have any front ports built into the desk. I also really like the idea of having the motherboard and graphics card sitting front and center in front of me. The position has been inset about an inch from the back to givea little bit of space for cable strain relief. The static pressure-optimizedfans have moved around a lot. They were originally placedon either side of the desk, drawing filtered air intothe desk from the bottom to be passively exhaustedthrough the radiators next to them. The problem is that any ofthe non-watercooled components wouldn't be getting enough airflow. After mocking up some differentlayouts for aesthetics, we settled on rads on the right and fan banks on the left. Our dual 480 millimeterAlphacool X-flow rads, well, they're not our 480-millimeter rads because we ended up getting id of them because of the right angle fitting issue that I alluded to before. And we could have solved this by kind of pocketing outthe Desk in the bottom to fit these parts, but that was against theclean, sleek design philosophy of the project. Thankfully, Alphacoolhas an exhaustive list of radiator options, so we snagged some 3D modelsfor 40-millimeter thick, one U rads and then doubled the quantity up to four rads to make up for the loss of cooling capacity. Pretty much every layoutof these small rads was considered. Up and down, left andright, baffled, staggered, exhausting out the back,exhausting out the bottom, you name it. 

In the end, we added two more, bringing the total up to six with three double-stackedbanks around the perimeter of the desk, passing warmout out the right side and back. Now, we're gonna knowif this is gonna work by the time fabrication starts because we've already gotour rad-stacking follow-up in the works. So make sure that you're subscribed so you don't miss that. 

Moving all the wateraround is gonna be handled by dual DDC pumps metered to Alphacool one U manifold blocks. We're honestly not huge fans of these, but they're one of the only options for fitting into this slim height. Now, they are technicallymarketed as reservoirs, but a loop this size with all this tubing could honestly take hours to fill with a reservoir that small. So we're gonna be makingour own in the shape of a one-foot diameter LTTlogo with our GP, of course. We then threw a little flow indicator between the pumps for good measure. Now, we didn't want tomake any compromises on the actual PC hardware, so we're gonna be usingan ASUS Zenith II Extreme, a top-of-the-line TRX40 board, for our thread ripper CPU and then directly beside itis gonna be an RTX 2080 Ti, both of them topped bysweet EK water blocks. We've flung some hard drives in, mostly to take up the empty space. 

But, I mean, come on, ifit's gonna be an ultimate Desk PC design, we might as well have50-plus terabytes of storage in it, right? And last by not least, is power. You might have noticed thatthere's no power supply. The thing is one U powersupplies are incredibly loud. So including one was not an option to meet our quiet design goal. The intention right now is to use external power bricks then. We're pretty sure we'regonna need two of them. And then a pair of HDPLEXDC-to-DC converters mounted in the top left. Cable runs will likely go under the table, but the thing is that's notbecause we couldn't have kept them all inside, but rather for aesthetics reasons. So that's the plan. In our next episode, you're gonna see us bringingall the parts together and hopefully leak testingour custom reservoir. I hope you're looking forward to it as much as I am. Private internet access won'tprotect your credit cards or your passwords or your identity. It's just one tool that should be part of your online security toolkit. It masks your IP and encrypts traffic to and from your devices. And when combined withother safe private browsing best practices, it can makeeven savvy websites think that you are some anonymous person from somewhere else. 

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 Try it out risk-free with their 30-day money-back guarantee. They've got clients forWindows, macOS, Android, iOS and Lenox. And look at that, I've got updated talking points. Apparently, you can connectup to 10 devices at once. Check it out now at the link below. If you guys are looking forsomething else to watch, hey, it's been a while. Maybe go check out theoriginal Desk PC build. It's kind of a fun series of videos.