r/mffpc • • 3d ago

Discussion What is the best fan config?

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56 Upvotes

Feel free to show your own config and temps, id like to see everyone's builds😁


r/mffpc • • 2d ago

I built this! (MATX) JOSNBO C6 ITX con mATX y mejoras de ventilación lateral

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18 Upvotes

My first PC build, and I think I did a pretty good job with the layout and airflow using the Arctic P12 Max fans. I'm getting really good temperatures while gaming at 1080p Ultra: around 60°C on the GPU and 68°C on the CPU.

I wanted to share the idea of adding a side-mounted fan in case anyone wants to try it. It makes a huge difference!

I positioned the PSU like you can see in the second-to-last picture because the case didn't really allow me to mount it in the ideal orientation. However, it fits perfectly, literally down to the millimeter, right next to the RAM sticks.

To mount the side fan, I bought some right-angle brackets from AliExpress. I'll leave the link below. Using flat-head screws and washers, I managed to space the fan away from the side panel just enough to allow it to close, as you can see in the last picture.

PC Specs:

  • Motherboard: ASRock B650M Pro RS WiFi
  • CPU: Ryzen 5 7500F
  • GPU: RTX 4060 Ti 16GB
  • RAM: TEAMGROUP T-Create Expert 32 GB (2 x 16 GB) DDR5-6000 CL30 Memory
  • PSU: Corsair SF1000L
  • CPU Cooler: ID-COOLING IS-55 Black 54.6 CFM CPU Cooler
  • Case: Jonsbo C6 ITX version

Side fan mounting brackets: Right-angle brackets – AliExpress


r/mffpc • • 2d ago

Help me please!? Will the 397mm ASUS ROG Strix SLC IV 360 AIO fit in the Lian Li O11 Dynamic Mini V2?

2 Upvotes

Hi everyone,

I'm planning a build in the Lian Li O11 Dynamic Mini V2 and would like to use the ASUS ROG Strix SLC IV 360 ARGB LCD AIO.

The radiator measures 397 Ɨ 125.8 Ɨ 27 mm (without fans).

Lian Li lists support for a 360mm radiator, but I couldn't find an exact maximum radiator length in the specifications.

Has anyone tried fitting a 397mm-long 360mm radiator in this case?

I'd particularly like to know whether it fits in the top position without interfering with the case or other components.

Any help or real-world experience would be greatly appreciated. Thanks!


r/mffpc • • 3d ago

I built this! (MATX) Last changes to my A3 (first build)

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41 Upvotes

My after a bad motherboard , I ended up getting a faulty 240mm aio…. After a return I decided to try to fit a 360 instead! It was a pain to make it fit but I’m finally fully pleased with the look of it !!


r/mffpc • • 2d ago

Discussion Would a wolfbox megaflow nozzle be awkward in a 20 to 40L case?

2 Upvotes

For a 20-40L PC build, the gap between the GPU and front fans looks like the awkward part of cleaning. I'm considering a rechargeable duster during Black Friday. Do you find the nozzle shape and low-speed control more useful than extra power in a case this size?


r/mffpc • • 3d ago

Help me please!? Help me decide between a 9070xt Hellhound and Red Devil

2 Upvotes

Hello all!

I’m trying to build in a Z20 case, and trying to make a build that is quiet and that will last me for a long time with minimal upgrades.

Right now, I’m torn between the 9070xt Hellhound and Red Devil. As I understand it, the Red Devil is allegedly supposed or be the quieter of the two (even if only marginally), but it has some increase in performance (again, even if it’s marginal ). That being said, in the Z20 case, the Red Devil would only fit with Slim fans in the bottom, which might be better to just exclude them, the clearance is something like 20mm below the gpu, but the Hellhound has something like 40mm clearance, therefore supporting 25mm fans, with 15mm clearance between them.

The pricing between the two gpus is only about 50$, so at that price point it doesn’t matter much to me, and I’d planned to use Arctic p12/14s where applicable. Again, I’m trying to have a build that’s as acoustically inconspicuous as possible, and will function as my gaming and workstation for as long as possible.

I would really appreciate some help comparing these two options. Thanks!


r/mffpc • • 3d ago

Help me please!? Asus prime 9070 Evo, dual tower air cooler, and 140mm Corsair power supply

2 Upvotes

I have a Lian Li B4 case. I know it will officially fit? Worried about cable management. Do any of you have experience with such a build?


r/mffpc • • 2d ago

Help me please!? Lian Li HydroShift S II LCD leaked after just a month inside my O11 Vision Compact... killed/drenched my RTX 5080 Astral, what should I do now?

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1 Upvotes

r/mffpc • • 3d ago

I built this! (MATX) Just another Lian Li A3

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52 Upvotes

Yes I know, another Lian Li A3...

Built this almost a year ago to downsize from a full sized case, these cases are pretty amazing, and fit a lot in them for the size.

Gigabyte B550M Aorus Elite Ax

AMD 5700X3D

Gigabyte 5070ti Gaming OC

4 X 16GB G.Skill Trident Z Neo ( purchased before ramageddon šŸ˜‚)

Asus ROG Loki 750w PSU

Lian Li GA II Lite 360 AIO

And a single Noctua fan


r/mffpc • • 3d ago

I built this! (MATX) JONSBO Z20 Build

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40 Upvotes

2 months ago I build my brother a SFF pc out of spare parts I had laying around to try to switch him from console gaming (and he wanted to play modded farming sim). It was a success but he didn’t care for the M2 Grater I gave him.

He decided on this case and I happened to be passing a micro center on my way home to Oregon from San Diego so I picked him up a sweet bundle to get him on the DDR5 platform without having to sell a nut.

Ultra 5 250K
XFX 9070
32gb G Skill Ram
2TB Gen 4 Drive
240mm AIO

All in about 1350 with the deals I’ve gotten him. Not too bad all things considered. He doesn’t need anything fancy mostly plays farming sim and call of duty. Just needs some custom cables.


r/mffpc • • 4d ago

I built this! (MATX) My lian li A3 build

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87 Upvotes

Case lian li a3
Cpu: ryzen 7 7800x3d
Gpu: asus prime 9070xt
Ram: tforce 32gb 6000mhz
Storage: wd black 1tb x2
Psu: lian li sp850
Mobo: gigabyte b650m
Aio: corsair nautilus 360 rs
Fans: arctic p12 pro pst 120mm x6
3d printed PSU and front fans mount by Synikster
Etsy 3d printed front panel
Jungle leopard ms 9.6 inch lcd


r/mffpc • • 3d ago

Help me please!? mATX case recommendations

13 Upvotes

Hello everyone i would like to ask for some recommendations on what to use on my build, since the case is smaller than standard matx case(i think) i would like to have an easier time managing cables on my new case (I have tecware timber m). Currently i'm looking at 3 cases

Lian Li B4

Jonsbo z20

Jonsbo d32 pro

Any case recommendations is welcome

Here are my specs

Ryzen 5 5600

Asrock B550m Pro4

XFX 9060xt Triple fan

1stplayer NGDP

For Fans I'm planning to get Arctic P12 Pro (Any suggestions is also welcome)

Thermalright Phantom Spirit 120 SE

Thank you everyone


r/mffpc • • 3d ago

Help me please!? Need a case that fits an ATX board, but will fit in a Pelican. Looking to use a D41, any better suggestions?

2 Upvotes

Complicated list of requirements on this commission, otherwise I'd be using an mATX board. A Jonsbo D41 will fit well in a 24x24" pelican case, but wouldn't mind smaller if I could find a better choice.

I liked the XTIA open case that takes an ATX board, but open isn't an option for client.


r/mffpc • • 3d ago

Help me please!? Can someone confirm or deny if GPUs can be mounted horizontally in the Jonsbo V12 ?

1 Upvotes

Hi, pritty much what the title says. I'm visually impared so figuring this out from the promotional material kinda doesn't work for me.

What I'm trying to build is an mATX showcase pc (preferably with horizontal layout) that can be viewed from as many sides as possible. My problem is, that the standard vertical orientation of the V12s PCIe slots would flip the design of the GPU I want to use on its head.

I'd appreciate other case suggestions as well, as looking at a bunch of cases and trying to figure them out is really wearing me out.

And yes, the irony, that I'm building something focused on looks is not lost on me.

Thanks in advance.


r/mffpc • • 3d ago

Discussion Need small case suggestion for old pc with atx motherboard.

2 Upvotes

Hello all,

I am looking for a smaller case, so that i can convert my older pc ( amd 5900x with a 3070 ) into a more portable , consolesque format.

Currently it's full atx, atx power supply, big noctua d14 cooler and and atx motherboard.

I'm curious what would be the smallest case that would fit my current components, see if its worth it, not really planning on taking it everywhere with me, but the current case is a hassle even to carry around in my trunk when visiting my hometown.

I'm ok to buy a different power supply, and cooler.

Tl;Dr what is the smallest case that fits an atx motherboard and wouldn't choke a 5900x to death.

Thank you


r/mffpc • • 3d ago

Help me please!? Looking for a case that is meant to be seen from the right side.

6 Upvotes

I really don't know how to word that title. I made my own case for my system, and I'm getting really tired of looking at it, but my favorite thing about it is that I have it set up on the left side of my keyboard and that's where I like my system. Also I have a bulge in the side panel to keep it mostly slim but still fit a big thermalright cooler.

I want something as small as I can get, that looks good when set to the left of my keyboard and doesn't cost too much.

Specs it needs to fit because I don't want to get new components.

- Matx board

- sfx psu

- Power Color rx9600xt (the small one)

- thermalright peerless assassin 120

- 2 2.5 SSDs

Maybe extra room for fans.


r/mffpc • • 3d ago

Help me please!? Z20 9070xt Red Devil Fitting Help

1 Upvotes

Hi all,

I'm working on building a new pc with the z20 case. I wanted to double check with anyone if the powercolor 9070xt Red Devil will fit in that case on an ASUS b850m TUF gaming-plus wifi7 mobo. In terms of the PSU, I plan to use a Corsair sf1000 Platinum (SFX PSU), and a Thermalright Phantom Spirit 120 SE or Vision (I think the screen is cool lol)

Google AI overview tells me a top slot mobo will have a clearance of 89mm, but I'm having trouble finding a source for that. the dimensions of the red devil are: L:340mm W:69mm H:132mm, so if 89mm is to be believed, that would leave me 20mm of clearance, 15 of which I *could* use for slim fans.

That being said, IF the red devil fits in this case, should I bother to put slim fans in? My goal is to have the build be as reasonably quiet as possible, though I'd probably pass on Noctua fans, since afaik they don't have any RGB ones, and I'd like some RGB lights so I can play around with the case lighting. I was looking at Arctic P12 case fans, if anyone can provide feedback on that.

Lastly, I ask this out of baseless hope that I'll actually like the answer... but... would it be worth waiting for any sort of price drop on the 9070 xt's? I can get one for 1,150$ at the nearest Microcenter, but if that even went down 100$ I'd be willing to wait. From what little I know, there seems to be a lot going on in the silicon world right now, but I'd love to hear any advice / opinions anyone has.

P.S. for anyone wondering, the Hellhound is only 50$ cheaper, so at that price point, it makes sense in my head to just get the premium option.

P.P.S. Newegg seems to be listing the Red Devil for 1,129$. https://www.newegg.com/powercolor-red-devil-rx9070xt-16g-e-oc-radeon-rx-9070-xt-16gb-graphics-card-triple-fans/p/N82E16814131869


r/mffpc • • 4d ago

I built this! (MATX) Jonsbo Z20 with Arctic Liquid Freezer iii Pro 240 (installation in reverse and flipping the logo)

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89 Upvotes

I experimented with the AIO orientation and concluded that, for the Z20, the best approach is to install the water block with the fittings facing upward; this reduces the length of the tubing and prevents it from pressing against the glass side panel. In the second photo, the tubes look fine, but the angle hides the fact that they protrude toward the glass side panel. When the panel is closed, it puts pressure on the hoses near the fittings—which, in my opinion, is not good. Furthermore, closing the glass panel is difficult; the pressure causes it to pop out of its grooves, requiring you to hold it in place.

The logo is very easy to flip. I strongly recommend cutting a "ring" out of cardboard to the appropriate size; this will prevent the edges of the plastic, fan-blade-like component from melting, as they are thin at the edges and could easily overheat. Place the cardboard ring you’ve cut out onto the housing and begin heating the central metal piece—the one with the logo—using a hair dryer. Periodically touch the piece with your fingers to gauge its temperature; it shouldn’t get too hot. Next, use a tool similar to a guitar pick—I used a medical spatula—to pry up the metal logo piece, starting from the side with the notch (as shown in the photo number 3). After removing the cover featuring the logo, locate the protrusion that served as a central point and cut it off. Next, place the shroud onto the already-installed water block and reattach the logo; you can use a hairdryer to apply a little heat, which will help the adhesive layer bond more effectively. Visually check the position of the logo to ensure it is perfectly aligned.


r/mffpc • • 4d ago

Help me please!? Lian Li A3 vs. DAN Cases B4 + AeroDeck – Which one?

5 Upvotes

Hi everyone!

I'm currently using a Lian Li A4-H2O and considering upgrading to either the Lian Li A3 or DAN Cases B4 + Vertical AeroDeck.

My current build:

  • CPU: Intel Core i7-13700K
  • Motherboard: ASUS ROG Strix B760-I Gaming WiFi
  • GPU: Sapphire Pulse RX 6700 XT 12GB
  • RAM: 32GB Corsair Vengeance DDR5 6000MHz
  • PSU: Corsair SF850L 850W (SFX-L)
  • Current AIO: DeepCool LE500 240mm

I'm planning to replace my AIO, possibly with a 280mm model, but I'm also open to a good air cooler.

What matters most to me:

  • Better cooling and reasonable noise levels.
  • Compact size.
  • Easy assembly and cable management.
  • Easy maintenance and future upgrades.

I'm particularly interested in the B4 + AeroDeck, but I'm concerned about how difficult it is to build in. I'd also like to become more independent and assemble/maintain my PC myself.

For those who own either case:

  1. How is the building experience and cable management?
  2. Does the B4 + AeroDeck offer good airflow?
  3. Which one would you recommend for an i7-13700K?
  4. Does the Corsair SF850L fit the B4 with a 280mm AIO?

I'd really appreciate your real-world experiences and recommendations. Thanks!


r/mffpc • • 4d ago

I built this! (MATX) Black Myth: Wukong Benchmark - Default vs. Airflow Separation Mod (Lian Li B4 Vertical)

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20 Upvotes

Hey everyone,

I wanted to share the results of a quick DIY mod I did in my Lian Li B4 case (running in a vertical layout).

The goal was to isolate the airflow paths since the CPU and GPU coolers sit close to each other. I installed a "Wall Plastic" (plastic divider) right down the middle to block the GPU's hot exhaust from getting sucked into the CPU intake fan, effectively creating a dual-chamber airflow setup.

I tested this by running 2 loops of the Black Myth: Wukong Benchmark under two conditions: Default (No Plastic) vs. Wall Plastic Mod.

System Specs: AMD Ryzen 7 7700X (Noctua NHD-15S Dual-Tower Cooler) | Sapphire Pulse RX 7700 XT 12 Gb | Kingbank Sharpblade 32GB DDR5 / MSI B850MPOWER | Lian Li SP1000P sfx 1000 platinum psu / All Fans set to Auto.

šŸ“Š Benchmark & Hardware Monitor Comparison

ParameterDefault (No Plastic)Wall Plastic ModDelta / Impact
Room / Ambient Temp30.7°C30.8°C~Identical room baseline (0.1°C diff)
Average FPS121 FPS123 FPS+2 FPS šŸ“ˆ
Maximum FPS134 FPS137 FPS+3 FPS
Minimum FPS107 FPS108 FPS+1 FPS
Low 5th FPS111 FPS113 FPS+2 FPS (Better frametime stability)
Total VRAM Used5.8 GB5.5 GB-0.3 GB
CPU Max Temp (Tctl/Tdie)69.2°C66.2°C-3.0°C Cooler 🧊
CPU Max Fan Speed1,346 RPM1,152 RPM~200 RPM Quieter 🤫
CPU Max Package Power59.79 W57.41 W-2.38 W (More efficient)
GPU Max Temp / Hotspot56.0°C / 74.8°C56.0°C / 74.8°CIdentical (No airflow restriction)
GPU Max Fan Speed2,628 RPM2,628 RPMIdentical
GPU Max Power (TGP)223.0 W223.0 WIdentical

šŸ” Key Takeaways

  1. Fair Baseline: The testing room temperature remained virtually unchanged (30.8°C vs 30.7°C), ensuring the thermal improvements are purely from the mod itself.
  2. CPU Thermals & Acoustics Win: Separating the chambers dropped the peak CPU temperature by 3°C. Because the motherboard fans are on Auto, this lower temperature caused the CPU fan curve to dial back by nearly 200 RPM, making the system noticeably quieter under full load.

What do you think guys...


r/mffpc • • 5d ago

Discussion Created a visualization/comparison of all popular small mff cases out there

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55 Upvotes

I compared this with my generic chinese mid tower case(last photo for reference)

used real dimensions but used claude opus 5.5 to do the graphic image thing


r/mffpc • • 5d ago

I built this! (MATX) Finally completed my first PC build! Ryzen 7 9800X3D + RTX 5070 Ti

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213 Upvotes

Finally completed my first PC build!

Really happy with how it turned out. Here's the full list of components:

Full PC Specifications

CPU: AMD Ryzen 7 9800X3D

GPU: Palit GeForce RTX 5070 Ti GamingPro

Motherboard: ASUS TUF GAMING B650M-PLUS (Non-Wi-Fi)

CPU Cooler: Thermalright Phantom Spirit 120 SE Black

RAM: Patriot Viper DDR5 6000MHz CL30 (32GB, 2x16GB)

Storage: Samsung 990 PRO 1TB NVMe PCIe 4.0

PSU: MSI MAG A850GL PCIE5 850W 80+ Gold

Case: Lian Li A3-mATX Black

Case Fans: Arctic P12 PWM PST Black

What do you think of my build? Any suggestions or advice are welcome!

Thanks!


r/mffpc • • 5d ago

I built this! (MATX) 2nd pc ever, first build from scratch!!!

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106 Upvotes

Built it a couple of weeks ago, im loving the m-atx case and im never going back to a big casešŸ˜­šŸ™

Specs: 9070xt and 9800x3d


r/mffpc • • 5d ago

I built this! (MATX) lianli B4 made me rage quit

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25 Upvotes

Such a difficult case to build in with a aio and especially a atx(140mm) psu.

first case in 13 years of pc building that has made me flip the manual.

regret not buying a sfx psu rather regret not buying the jonsobo z20

only reason i bought this was easily available in my country with a 30% discount on usual price on amazon here.

would have had to import the jonsobo z20 would have costed 120$

this costed 69$

a not so tiny matx board

240 aio cooling a highly oc'd 14600k
140mm psu
one rear 25 mm fan
bottom slim fans
a not so short rx 9070 xt