Step-By-Step Mini ITX PC Build Guide! (Lian Li Dan A4 H20, i9 12900k, RTX 3090 Strix)
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- Опубліковано 26 лип 2024
- We're doing a step-by-step mini ITX PC Build Guide where I show you step by step what you'll need and how to build your next gaming PC or editing PC, but in a tiny package! The first PC I ever built was in an ITX PC because I just loved the small form factor, but it was really hard and I hope this serves as a useful guide for both new and seasoned builders! I'm shoving some crazy powerful hardware into the tiny Lian Li Dan A4 H20 case like Intel's 12th gen i9 12900k and an Asus Strix RTX 3090! Let's get Ahnest!
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🛒 Products from Video - Using My Links Helps This Channel a LOT!!! Ty!!
*Affiliate links allow me to earn a commission, which funds these Ahnest reviews!
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Case - Lian Li Dan A4 H20 (PCIe 4.0)
🛒Amazon: geni.us/rrm6l
🛒Newegg: geni.us/bqeYAmQ
Motherboard - MSI z690 Unify ITX
🛒Amazon: geni.us/ySpGOBP
🛒Newegg: geni.us/MYK4
CPU - Intel's 12th Gen i9 12900K
🛒Amazon: geni.us/c1TsEM
🛒Newegg: geni.us/v7p7p0
CPU Cooler - CM ML 240 Illusion
🛒Amazon: geni.us/qnhL
🛒Newegg: geni.us/cQjb
Hard Drive - 1tb Team Group NVMe 4.0
🛒Amazon: geni.us/4Lc4iq
🛒Newegg: geni.us/hqrvqf
Ram/Memory - DDR5 Kingston Beast 5600MHz
🛒Amazon: geni.us/D1CuF
🛒Newegg: geni.us/4veOU
PSU - Lian Li 750w SFX
🛒Amazon: geni.us/kZTZf
🛒Newegg: geni.us/aZQp4AS
Accessories
Thermal Paste - Grizzly Kryonaut
🛒Amazon: geni.us/TeP5a
🛒Newegg: Overpriced; buy from Amazon
Screwdriver - iFixit
🛒Amazon: geni.us/I6XknMp
🛒Newegg: Overpriced; buy from Amazon
🛒Zip Ties: geni.us/hDjBI
🛒Isopropyl Alcohol: geni.us/69gkwYR
🛒Cue Tips: geni.us/FYQm
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Table of Contents:
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0:00 - Intro
0:46 - Video Breakdown
1:10 - Critical Accessories
3:43 - Optional Accessories
5:00 - PC Components + Why
7:49 - Breadboarding
8:09 - CPU
9:05 - Hard Drive
10:12 - Holding off on RAM
10:41 - Setting Up the Case
11:49 - Setting Up the CPU Cooler
15:43 - Installing the Motherboard
18:44 - Installing the CPU Cooler
20:51 - Installing the Graphics Card
21:30 - Installing the RAM
22:03 - Installing the Power Supply
24:32 - "Cable Management" (not really)
25:11 - Final Touches
25:57 - B-Roll + Overview
26:27 - Temperature + Benchmarks
27:30 - Is 750w Enough?
27:44 - Sound Test - Наука та технологія
Hey some folks noted that the AIO cooler might be better if you exhaust air out instead of pulling air in. I'll run some tests and report back. Links below - please use them as it helps this channel a LOT!
*Affiliate links allow me to earn a commission, which funds these Ahnest reviews!
Case - Lian Li Dan A4 H20 (PCIe 4.0)
🛒Amazon: geni.us/rrm6l
🛒Newegg: geni.us/bqeYAmQ
Motherboard - MSI z690 Unify ITX
🛒Amazon: geni.us/ySpGOBP
🛒Newegg: geni.us/MYK4
CPU - Intel's 12th Gen i9 12900K
🛒Amazon: geni.us/c1TsEM
🛒Newegg: geni.us/v7p7p0
CPU Cooler - CM ML 240 Illusion
🛒Amazon: geni.us/qnhL
🛒Newegg: geni.us/cQjb
Hard Drive - 1tb Team Group NVMe 4.0
🛒Amazon: geni.us/4Lc4iq
🛒Newegg: geni.us/hqrvqf
Ram/Memory - DDR5 Kingston Beast 5600MHz
🛒Amazon: geni.us/D1CuF
🛒Newegg: geni.us/4veOU
PSU - Lian Li 750w SFX
🛒Amazon: geni.us/kZTZf
🛒Newegg: geni.us/aZQp4AS
Accessories
Thermal Paste - Grizzly Kryonaut
🛒Amazon: geni.us/TeP5a
🛒Newegg: Overpriced; buy from Amazon
Screwdriver - iFixit
🛒Amazon: geni.us/I6XknMp
🛒Newegg: Overpriced; buy from Amazon
🛒Zip Ties: geni.us/hDjBI
🛒Isopropyl Alcohol: geni.us/69gkwYR
🛒Cue Tips: geni.us/FYQm
do u have the test results?
DON'T throw away the CPU socket cover (black plastic piece). You'll need it if you ever RMA or sell your board to prevent the pins from getting damaged in shipping.
You right. I did it for dramatic effect!
@@Ahnestly cap you just didn’t know 😂
In these type of cases always use fans as exhaust so cool air gets pulled in from the sides and the hot air gets pulled out. In this particular case first mount the aio then fit cables to psu point. Then the psu can fit easier and lastly put the gpu in, that way you don’t need to fiddle with cables in the end. 👌
Hell yeah! Mini pc build!
Genuinely big thanks
Learned things that I should not do during building a PC... :P
Damnnn you do PCs too lol. I watched your chair reviews. I’m going to be ahnest (lol) shoving the most powerful CPU/GPU combo into a mini itx is kinda insane lol. An amazing PC though. I just built the great value version but not mini lol. I built a 12600k and 3060 just a week or two ago lol
Nice!!! That sounds like the perfect gaming rig!!
Great Build. Getting my build ready for my deployment. Since I have a ATX build already, staying behind. But build A4 H2O that fits in my Pelican case with mouse, keyboard and 15’ Display (1080/165hz). I can take this thing anywhere I want.
That’s sick! And thank you for your service!!!
oooo thank you for this bro, imma prolly use this build when Ryzen 7000 series + AM5 mobos come out eheheh
Nice!!! Been hearing some great things!!
I've been watching some vids from dammit jeff and his voice reminds me of a genz version of you. so crisp and clean baby
Lol
Cool build and video / tutorial! Hope your knee gets better soon. They’re the worst.
Shouldn’t your fans be set you exhaust (airflow going up) instead of intake since it’s a sandwich layout case?
Agree, might get toasty in there with the fans as intake into a “cramped” SFF.
So I thought about that, but one of the guys I watch said he put his as intake. I was thinking maybe bc the PC is so small, the hot air has to get pushed out, no?
@@Ahnestly it is definetly wrong. hot air have to be pushed out from the case. With you setup, gpu, CPU and also PSU push hot air inside case, but there is no out fan and it will be lack of fresh air inside the case. Also your PSU's fan takes air from outside, then exhausts air to CPU's radior fan. but these two fan hits together face to face. it is not good airfow. I recommend you to flip CPU's radiator fans. with this way there will be fresh air circulation from bottom to top direction. By the way your video is great. thank you for sharing.
what z690 low profile cpu cooler do you recommend for a 47mm height limit on a i7 (65w) most likely for a velka-7
Are you having power issues? I’m trying to do a build with the same case but Ryzen 5800 and 3080 and 750 might not even be enough for that!
Great video! I did not think you would be able to put that much power in the a4 h2o.
How noticeble is the fan noise and where do it mostly come from?
Haha so I'm getting occasional random resets when I'm going hard in Premiere Pro and Photoshop, so I might be running into some power issues. I think I can swap it out for an 850 sfx PSU and I'd be fine though!
As for the fan noise, the GPU always does a great job at cooling - it's the CPU that's going to be starving for cooling, esp the 12900k!!
@@Ahnestly Have you tested/thought about undervolting and maybe underclocking. It takes time but can be well worth it!
I've been meaning to for sure!!!
Awesome build with such power! How loud would you say this PSU is? I have heard many say it is extremely quiet and some say it is very loud. I am interested to hear your opinion on the sound!
I have it all I can say is don’t do it mine makes a fizzing noise and the fan in obnoxious
were there any issues when you reversed the eps cable?
Thanks for this clear consise build video - subscibed.
Im planning a build in the same case becuase of this video. I have one question, I notice the backplate for the mobo has a cutout. Does that cutout allow for a 2nd NVMe drive to be fitted to the back of the mobo as alot of ITX mobos have the second slot on the back. Does it need to be a NVMe drive without a heatsink or will the samsung 990 pro fit on the back of the mobo as the heatsink is pretty slim
Thx
Great video, really usefull. However I have a question. How you able to use the CM ML 240 Illusion with a Pump heigh of 57.8 mm and Lian Li said the max heigh must be 55 mm.
I keep the panel off. I mentioned it during the build and b roll it without the panel on
I can't believe you are trying a 12900k and a 3090 on a miniITX... Insane. Is the 750w even has enough power for those parts?
I do think I may need to upgrade my psu to 850w. I get occasional reboots out of nowhere so tryna inspect what’s causing that!
Can you travel in an airplane with such equipment? What's is the total weight? Thanks for such a good video!
Great pointers. A lot of the build you see no one ever mentions the last 5 yards where you have to install drivers etc to actually get the PC running
Hey, what's that headphone stand on the thumbnail? Looks neat and a good idea as to what to do with the monolithic front panel of such a case.
So on this case, the front panel isn’t “magnetic” enough to hold your headphones up (but the side panels are, unfortunately, theyre the only source of air for your case so don’t wanna block it too much!). I did it more for the thumbnail. It works fantastic on the nr200 though! It’s called the nzxt puck! geni.us/RwYu4I
@@Ahnestly Thanks!
Where did you get that floor lamp ????
Hahaha it’s expensive af. bit.ly/3NyfEOK
Did you end up sticking to AIO intake?
I haven't been back to the studio in a little - can't go in as often due to knee injury. I plan to mess with it at the end of this week!
Can I build and run this without gpu? I am gonna buy the gpu later until then wanna use as it is
As long as your CPU has integrated graphics (iGPU), you can build and run it. If it does not have an iGPU, then you cannot, since you need some kind of graphics processor to display out to a monitor.
one day.... one day....
actually this case is quite easy to put in , but with video recording it became kind of hard , good work bro , but i would recommend turn the PSU around and help exhaust the GPU , it would be a great help , at least in my phanteks evolv shift XT has improved the thermal.
I don't think the PSU has an exhaust vent out, more like vents on the sides! And yeah, building on camera is a PIA!
What monitor are you using?
a 48" LG C1 TV geni.us/Vrp3. Best purchase ever!!!
Die CM ML 240 Illusion passt nicht, hatte das gleiche Problem ... bin zur CM ML 240 Atmos ... passt perfekt, ist leistungsfähiger und zudem leiser ... leider auch etwas teueer ✌🏻
Thermal grease? I've been using thermal paste like a chump this whole time... ;)
They're all the same thing!
awesome
The Lian Li PSU you're using---are the CPU and VGA slots interchangeable? The Strix 3090 requires 3 8 Pin cables, where my PSU has 2 for CPU, and 2 for VGA (GPU.
I don't know about interchangeable, but it has enough slots for a 3090!
@@Ahnestly I'm looking over this PSU and I'm genuinely confused--It seems to have slots for 4 "either CPU 4+4 or 6+2 PCI E", but comes with 2 different types of PCI E connectors--how did you set it up?
OHH Okay yeah I rewatched that section. Have you had any issues with the system since you've installed it?
Wonder if Msi 3070 Gaming X fits in this case. Specs wise its 1MM longer than what this case can fit.
No sadly it pushes out the front panel I’m sure you could sand the plastic shroud a bit but that’s not ideal
@@yokaiyuki7869 I went with Evga FTW3 instead and I'm glad that I did. I actually need the extra space from the end of gpu to route my cpu connector because I route mine at the top of the case through the AIO compartment down the small space at the end of gpu.
Isn’t it bad to use the daisy chain PCIE connectors or am I misinformed?
He is handicapping his 3090. You cannot daisy chain ig
I think the “issue” is overblown. My pc runs just fine. Games and productivity like a champ on par with other 3090s.
750W might be just enough, but it is getting dangerously close to the limit knowing just with CPU + GPU combined use 83% of it.
Knowing notorious power spike of rtx cards, I wouldn't be surprised if it flips when current protection kicks in.
Also PSU will run hotter and less efficient because it exceeds efficiency sweet spot.
850w better?
@@bonapart8453 Ideally, yes. But the price is quiet high
why didnt u use noctuas if u dont want rgb
I wanted to use the fans I had on hand vs buying expensive fans!
I have to say he didn't use enough thermal paste
He calls the m.2 drive a hard drive...?
248 watts on the 12900k? jesus.. my 5900x typically only draws 125watts. The intel CPUs might not be the best contender for SFF builds.
Need more desk space for free ? put the pc on the ground !
So with a standing desk, that's next to impossible unless you want wires ripping out!
@Ahnestly previously i had standing desk with pc on the ground - just bought long (3m) cables for monitors and power.
if you can afford a 3090 you should be able to afford a larger desk haha 😂 looks like you’re bought the dual motor leg kit, you would only need to replace the desk table top with a larger one 😅
my desk is 30"x72" wide and pure walnut! any wider and you have to get up to grab anything on the desk lol and any bigger and i'll be paying what I paid for the entire PC build!!
Build pc on couch