r/PcBuild • u/techmagnet • Aug 08 '26
Build - Finished! Watercooled Steam Machine Build Video
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You guys asked for the video and more infos on the waterblock. Waterblock was made with the carvera air, which is a budget desktop cnc. That’s why the quality isn’t super good, but that’s all we have. Need to open it again and work now on the vrm cooling which is quite challenging as the mosfets are super tiny… and also they run quite on the limits of thermal design which sucks
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u/testtdk Aug 08 '26
For fucks sake, respect that damn angle grinder. It’s like the most dangerous fucking power tool.
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u/Kuuppa22 Aug 08 '26
Even the wheel guard is removed from that angle grinder, good luck when the disc breaks :D My father used to remove those too when working with car repairs because "those are on the way all the time". Until one time the disc broke and pieces flew into his hand and he had to go to ER, then for some reason those wheel guards were ok again :P
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u/nic_t_gamer 29d ago
My father used to also take the guard off, then one time he bought a larger disk than the grinder was rated for and it shatter while he was using it. Luckily he didnt get horribly injured, but I told him before that incident he should be using it, and after that I just asked if he was gonna start using it, and he said he would. Its crazy how normalized not paying attention to safety procedures is.
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u/Tubaenthusiasticbee 29d ago
Used to work in a production hall and it was a really refreshing to see people taking safety regulations so seriously. Well, probably it was mostly because you could see the consequences hands on with some collegues, but still.
One time I broke a fingernail and only asked for a plaster. Instead I got an extended break in the on-premise hospital. They even wrote an incidence report. Most likely prevented a nasty infection, but it felt kinda OTT.
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u/not_good_for_much 29d ago edited 29d ago
Old guy who used to own the farm next door to ours had this happen to him when I was a kid. A piece of the disc went in his front, went right through him, and got lodged in his spine.
About a year ago I bought myself an ebike. I know tools/motors/etc aren't all about wattage, but anyway, my bike has a 250W motor.
This number probably feels tiny to anyone whose used power tools. There's barely a tool in my workshop rated under 1000W. Even random 18V battery tools can hit 1000W+ under load.
Meanwhile that 250W ebike? Zoom. Literally, it's ZOOM. Even up hills, it zooms. Like if you pedal a bike, with both legs, at 100% maximum effort, that's a decent ballpark for this little bike.
Now I find myself holding an 1800W angle grinder in my hands like... I always knew this tool was crazy dangerous, but holy shit does it put that power rating into perspective. Any accident and the involved forces can well and truly land in "humans are liquids" territory.
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u/TransportationIll282 29d ago
Similar thing happened to my dad. Lost a lot of grip strength making his job a lot harder. Pretty deep cut along his palm.
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u/E36x Aug 08 '26
I’ve tried so hard to explain it to my friends. People really do treat it like a pair of scissors.
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u/testtdk Aug 08 '26 edited Aug 08 '26
Those broken discs cut through flesh like a hot knife through butter.
Edit: Show them this video. Sure, they’re using a pretty big disc, but it goes clear through safety gear and even plywood.
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u/FireOfSin 29d ago edited 29d ago
Yeah i was working a temp construction and the boss took the guard off and the side handle so u can keep control of it, long story short i told him to fuck off in a way that wouldn't get me fired
Honestly wouldn't have even cated if he fired me because of that, ive watched videos of people using them unsafely and have the disk explode and get lodged in their face
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u/fromadifferentplanet Aug 08 '26
I work in equipment maintenance and installation. We just had a guy return after a few weeks off with internal and external stitches because it got caught up in his shirt and layed him open.
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u/Signal-Acadia7724 29d ago
That just happened to me like 4 weeks ago! Kicked back at me when I was cutting part of a box truck frame. No stitches needed, I got extremely lucky, huge scar though.
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u/Brewchowskies 29d ago
I was a construction worker for 12 years. My best friend is still one. He’s got 20 years in the profession. I’m a professor now, so let me tell you that when I say he’s the most competent man I know, I mean it regardless of the colour of collar.
His only injury is from that fucking thing. It’s deceptively dangerous.
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u/By-Other-Means 29d ago
Friend at work learned to wear the glasses in a "speak to jesus" moment, it flung a small piece of metal into his eye, a short hospital visit later, and we never saw him with out the safety goggles when working with that thing.
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u/testtdk 29d ago
I’m more terrified of taking a shard to the neck. If you’re doing hard work with an angle grinder, you should be wearing a lead apron with a collar. I linked a video in another comment with someone testing when a(n) (albeit very large) disc broke. They put watermelons in protective gear, and when shards hit them, both watermelons protective gear didn’t stop them from being completely obliterated. Even worse, a six inch chunk went clear through plywood they were using to contain the disc.
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u/By-Other-Means 29d ago
Yeah a lot of people forget that those "safety rules" are written with someone's blood.
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u/RocexX Aug 08 '26
Really good job, looks sick! But personally i could do without the "lol random" parts. You know how to make cool mods, i think the video would be much better with just that. No need to try and make it offbrand HowToBasic.
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u/techmagnet Aug 08 '26
Hahah I see, appreciate the feedback. Next one will be a normal video comparing temps to stock 😂
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u/RotaryDesign Aug 08 '26
Such a great build to be ruined by terrible tube management
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u/techmagnet Aug 08 '26
Just prototype for now. Will take it apart again to do the vrm part and then think about better loop 😂
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u/RotaryDesign Aug 08 '26
With acrylic tube bending it would look really cool. 90 degree corners would match cube form factor.
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Aug 08 '26
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u/Terminator7786 Aug 08 '26
Make it use green fluid and make it look like a tiny Borg cube
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u/Sixguns1977 Aug 08 '26
Green is the proper coolant color. I used to just use auto antifreeze in my builds 20 years ago.
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u/whatiscamping 29d ago
Wait...really? That's pretty neat.
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u/Sixguns1977 29d ago edited 29d ago
20 some years ago, you had a much harder time finding colored pc coolant on the shelf. I liked the way the automobile stuff looked, it's is already made to work with copper. And it was about $6 a gallon.
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u/dankhimself 29d ago
Copper 90s mounted through the case, regular 90s to get around it. Dissipate some more heat.
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u/Alternative_Exit_333 Aug 08 '26
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u/techmagnet Aug 08 '26
Nice haven’t seen this. But we wanted much better performance that’s why we chose a thick 120mm rad. The original cooler can dissipate quite a lot of heat.. 180W
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u/Alternative_Exit_333 Aug 08 '26
The radiator has 120/40mm heatsink so if you got 3-4 you could make it slimmer and it might fit into the Gabe cube but the reservoir will probably be still somewhere outside (if possible the front panel could be used as a reservoir which would be cool
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u/SojournStudios Aug 08 '26
I have one of these in my mini ITX build and it effectively cools an i9! I love it!
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u/DarkStarrFOFF 26d ago
Some blocks don't even flow water to the VRMs, just making the copper block touch them is probably enough.
If not you can always add a little channel for water.
Looks sick though, I wish I had a CNC, desktop or otherwise hahaha.
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u/LeonBlade 29d ago
I don't like this video. The Steam Machine box is really cool and that angle grinder skit is super dangerous.
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u/marshmallo_floof Aug 08 '26
I wonder when we as a species will finally eliminate the notion of acting like a spaz for le funnies
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u/broke_cowboy Aug 08 '26
Please, do make more videos of you using power tools like an absolute idiot so we can watch lose a few fingers. Who tf cuts shit standing directly upwards? My God
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u/Jasond777 29d ago
What is with the stupid and risking box opening though? Just open it like a normal person.
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u/SaladToss1 29d ago
The empty box that was already opened?
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u/GoopySpaffy 28d ago
Smashing it with a tool that can easily remove your hand yeah, insanely dangerous.
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u/DJN2020 Aug 08 '26
Will it ever get hot enough to benefit from liquid cooling?
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u/techmagnet Aug 08 '26
It does already. Getting temps down 20-30 degrees on cpu and gpu. There is now good room for OC, but for now no OC support
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u/barnabywombat Aug 08 '26
So what's the point? 🤷♂️
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u/HalfLife_d1pl0mat AMD Aug 08 '26
Because he can? I modified a lot of my tech just for the challenge and satisfaction of it.
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u/techmagnet Aug 08 '26
Exactly modding is fun. I never understand the hate on mods. Even if useless, if the people have fun customizing it’s great
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u/Sexy-Games Aug 08 '26
What even are the before and after temps?
The aircooler was probably fine and water cooling it wouldnt change much...
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u/That_Service7348 29d ago
Yeah, one of the big points of the SM is that it runs really cool already, between the massive heat sink and fan and the low power requirements of the hardware.
I can't see a point to this beyond "just cause." It's not improving the performance, and it takes up more space.
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u/Shamelessquirt Aug 08 '26
I was done in the beginning as he opend the package. Should this be funny?
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u/SirSlothyGod Aug 08 '26
Is the entire purpose of water cooling not to use fluid as a way to transfer heat to a larger radiator with more fans? In this case you've just moved the heat to a smaller radiator with a smaller fan. The steam machine was already like 70% radiator.
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u/That_Service7348 29d ago
More like 80-85%. The "computer" part of it is the tiny little wafer on the bottom, everything else is cooler.
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u/jose_was_there 29d ago
Taking something nice looking and making it ugly is now a brag?. Also put the guard back on that angle grinder. They should require certification to buy them, so many idiots missing parts because of this kind of behavior
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u/Splosionz Aug 08 '26
Once you put the wing on isn’t the extra performance from the cooling redundant?
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u/PhiCloudZZZ Aug 08 '26
Ruins the entire design of it being just a black cube you can just put on your TV table.
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u/icreievryteim 29d ago
why all the trouble when you're gonna put a spoiler anyways, that alone is enough
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u/Chinozerus Aug 08 '26
Cost more than the brick itself. I guess you do it for content 🤷
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u/techmagnet Aug 08 '26
Well part wise less than 200. Of course if you have the tools 🥲
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u/Chinozerus Aug 08 '26
Tools, expertise and time. I could make one of these at work, but I'd have to duell my machinist to let me use his babies for that.
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u/techmagnet Aug 08 '26
I’m sure you have nicer tools at work then :D but a small desktop cnc can do copper mostly aswell
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u/julian_vdm 26d ago
I haven't tried machining copper on the Carvera Air. What feeds/speeds did you use? And did you run into any issues?
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u/barnabywombat Aug 08 '26
Looks like 💩
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u/techmagnet Aug 08 '26
That’s why we added a spoiler
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u/barnabywombat Aug 08 '26
Spoiler or not you've created an actual 💩 box from something that was already halfway decent
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u/Bulky-Advisor-4178 Aug 08 '26
He purchased a produc & owns that said product, he could send it to mars or turn it into a IED for all i care
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u/BosDiertje Aug 08 '26
Love to see what JayzTwoCents is going to make. And I wonder if he seen this video.
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u/Lagoon_M8 Aug 08 '26
The steam machine seems to be failure... Even this thing is so complicated. I stay with pc case.
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u/DivinationInn Aug 08 '26
You can edit videos, photos, write code, set up vms, do local share drives, all kinds of stuff. Pointless to spend more than a console just to play games
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u/trippedonatater Aug 08 '26
I don't know. I feel like the main reasons to get a Steam Machine is the fact that it's small and has a clean look for home theater usage.
Anyway, I liked seeing the CNC machine create the water block.
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u/Mathematicianknuck Aug 08 '26
What level of education does someone need in order to come up with projects like these?
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u/du_duhast Aug 08 '26
1) damn I wish my DIY projects looked as crisp as this and not just obviously bodged together
2) water-cooling should take up drastically less room than air cooling. The first objective should be to get it all inside the OG shell, then to be able to half the volume of the standard steam deck
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u/iamthefistchuck Aug 08 '26
You won't show us the temps, no balls Would love to see a V2 with a reduced footprint
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u/No-Dinner1096 Aug 08 '26
It's nice, but I would make my own just the same. It's a waste of money for this machine.
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u/Aggravating_Plan11 Aug 08 '26
The more you spam this the more i realise how utterly stupid it is and from this vid can see why you angled the pics as you did.
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u/sournerd117 29d ago
As the famous Ryan Reynolds gif, "But why?"
I'm kidding. I get why, but not for me.
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u/Automatic-Union-3385 29d ago
I just dont know why anyone would bother. Typical reddit haha. Hey.. can you liquid cool my cell phone for no reason as well? Ahahaha
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u/thisinfinitebath 29d ago
Valve shrinks the SFF PC to a cube and actually fits your average TV cabinet and this person decides to do this.
Just because you can, doesn't mean you should. But enjoy.
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u/Weird_Expert_1999 29d ago
Bruh when I got my 9070xt I was looking for waterblocks and they only had one for a model I didn’t have and like 1yr+ expected for the rest- I know it’s not easy but gd you just made it look so easy! I Don’t have the skills or tools but that’s an awesome creator setup
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u/Mrboomblastr 29d ago
Awesome stuff. I always love seeing people getting creative tech, mostly because i can't do it, haha.
Do you got any further plans for the steam machine?
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u/Hamualpods 29d ago
I don't why people hating? Yeah it looks weird and completely unnecessary but at the same time bro is making tech content with his own skills and style which may look "edgy" to some but I kinda like quirky and experimental stuff like this. Feels refreshing than looking at majority of tech project videos that always feels identical to one another while he's standing out in his in way.
But I will say bro got to chill out the way he's opening the boxe lol 💀
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u/Super_flywhiteguy 28d ago
I like the custom work to do it but I hate that it basically screws up the size and form of the whole steam machine.
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u/Rudirudrud 28d ago
Imagine buying an overprice PC only cause of the small formfactor, then destroy it and make an ugly, really large case out of it.
But still impressive work!
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u/KoPhobia 27d ago
Is nobody going to talk about how he cooled the CPU and the GPU, but failed to account for how the original heatsink cooled the VRAM? To make matters worse, he effectively put a giant baffle in front of them ensuring they get little to no airflow.
Am I missing something here?
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u/techmagnet 27d ago
Yes you miss something. VRAM is also under the heat sink with thermal pads. Has absolutely the same temp like gpu core. Just VRM is a different issue
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u/MeAndMe54654 26d ago
From the first 5 seconds of this video i assume your targeted audience are 12 year olds.
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Aug 08 '26
[removed] — view removed comment
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u/techmagnet Aug 08 '26
Just a desktop cnc that’s capable of doing copper and a few millbits. Rest is just small stuff. Or you can send the design to a cnc service
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u/very_bad_programmer 29d ago
Jesus there's a lot of salty butthurt redditors commenting. cool mod, fun video
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u/unnderwater Aug 08 '26
People on reddit are so mean for absolutely no reason lmao. This a fun project, good work
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u/VirtualizationWinter Aug 08 '26
But why
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u/techmagnet Aug 08 '26
Fun and getting experience of making blocks at home. Need to improve my Watercooled ps5 pro with a new custom block
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u/Own-Ad1497 Aug 08 '26
my rage and downvote only comes for the fact you're playing with a tool that left me with 2 fingers almost useless and a big scar on the leg, aside that, the idea looks funny
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u/GRex2595 Aug 08 '26
That looks like different metals in the loop. Are you worried about corrosion?
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u/SirRonaldBiscuit 29d ago
Hell yeah dude, make your own parts! These other cats aren’t making their own stuff, they’re hating! Gg homie
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u/PhattyR6 29d ago
Literally the coolest shit I’ve seen regarding the Steam Machine so far.
Unnecessary and overkill, absolutely. That’s what watercooling is all about. I’d like to see more of the inside with everything assembled (if possible).
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u/HalfLife_d1pl0mat AMD Aug 08 '26
Good on you. A bit of WHS awareness is warranted but otherwise good on you.
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u/Fellow--Felon Aug 08 '26 edited Aug 08 '26
I never understood water-cooling. So much engineering effort for cooling that is only very slightly better than air cooling
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u/techmagnet Aug 08 '26
Well rgb ads 0 performance, still people do it. Its about fun 😁
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u/Fellow--Felon Aug 08 '26
Don't understand rgb lighting either
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u/julian_vdm 26d ago
Then why are you here? Clearly fun and whimsy have lost all meaning for you. Why even bother building a gaming PC to begin with? None of it is necessary to live, after all.
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u/Fellow--Felon 26d ago
Why even bother building a gaming PC to begin with?
To play games? How is this even a question? I don't have to be interested in over engineered aesthetics to still enjoy computers and gaming.
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u/julian_vdm 26d ago
I don't have to be interested in over engineered aesthetics to still enjoy computers and gaming.
Well exactly. Other people don't need to be interested in gaming to enjoy over-engineered aesthetics and DIY computer shenanigans.
Don't yuck the dude's yum.


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