How to Improve Airflow in Your PC Case?

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11 replies

_Skiddio_ · 2 years ago

Anywhere in the back to do a bit of cable management? Zip ties can work wonders. Are you struggling with temps at the moment?

3 upvotes on reddit

PilotedByGhosts · OP · 2 years ago

Temps are fine really, getting 60C in Cyberpunk 2077 and 85C in Prime95. I figure more fans might be quieter though because they could spin slower.

The cables at the back aren't as bad as they look from that angle. The three big cables are tied to the case at these points (circled) and where the two go down to the CPU I'm limited by the length of the cable. They don't foul the fan as much as it looks from that angle though.

1 upvotes on reddit

_Skiddio_ · 2 years ago

I’d just add 2 exhaust fans in the top really then if temps are fine you’re just after putting less stress on them. I think that would solve the issue

2 upvotes on reddit

notepadDTexe · 2 years ago

Get a better case actually intended for airflow that has more than one intake fan behind a solid front-panel.

2 upvotes on reddit

PilotedByGhosts · OP · 2 years ago

The front panel is vented. It's a good few years old now but I'm not sure how it could have better potential for cooling given that I'm using a couple of 5.25" drives and a bay full of SATA HDDs and SSDs.

This is the spec, if you can suggest a case that would be better I'm interested.

1 upvotes on reddit

Maxson2267 · 2 years ago

Not enough RGB add some blue fans for airflow.

5 upvotes on reddit

PilotedByGhosts · OP · 2 years ago

Hahaha, my RAM is actually RGB by accident. It was the cheapest one that did what I wanted. Unfortunately though there's a VRM coil whine issue with a lot of Gigabyte mobos and I found that turning off the RAM RGB really helped to reduce it.

Luckily though I have got this utterly preposterous keyboard. Will this help me to run Crysis at max settings?

https://preview.redd.it/x8io6ek2woza1.jpeg?width=4032&format=pjpg&auto=webp&v=enabled&s=66968795993f19a8ef87556e2ab1a263edba284d

2 upvotes on reddit

EdwardCunha · 2 years ago

Another Intake on A and maybe an exhaust on D.

3 upvotes on reddit

PilotedByGhosts · OP · 2 years ago

I'm not sure that the air would get past the drive caddy at A, do you think B might be a better option for in? My worry there would be whether it would suck up too much dirt from the carpet, it's got dust filters but they won't catch everything.

2 upvotes on reddit

EdwardCunha · 2 years ago

I think B will be complicated because of the PSU wires, but if you can make it work, then I think it's fine. About the air passing through the driver cage I had a NZXT H230 and I think it was fine. I had 2 HDD and one SATA SSD. If you think it will be too restricted even with a fan as good as the ones you have now, then sure

2 upvotes on reddit

Spell_Chicken · 2 years ago

Add input @ A and B.

Add outputs @ C and D.

2 upvotes on reddit

See 11 replies

r/buildapc • [2]

Summarize

Looking for tips on improving PC case airflow

Posted by m_kitanin · in r/buildapc · 5 years ago

I switched to a new giant case and the temps got much worse than before. CPU hits 70c, GPU hits 70c, both didn't reach 62c in the old case.

Picture of the case. I have drawn a schematic of what my current setup looks like. The major problem right now as I understand it is the single intake being so extremely far away from all the heat-generating stuff that the cold air might not be reaching it. It's heavily filtered too, which impedes airflow significantly.

What I've tried:

No exhaust on the top. Made temps slightly worse.
Push-pull on CPU heatsink, one exhaust in the back, no exhaust on the top. CPU temps got a bit better, GPU temps got worse.

I have a second 140mm fan but nowhere to put it (at least conventionally), the lower compartment has a mount for a 140mm fan but it would do nothing as lower compartment is isolated.

In the end I will probably do a water loop, that's what the case is designed for anyway. Before I do that (shit's expensive), can someone provide some tips on what can I do to improve temps? Maybe a crude way to implement my 140mm fan somewhere?

Thanks in advance.

1 upvotes on reddit

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1 replies

m_kitanin · OP · 5 years ago

Well as it often happens I got no replies but thankfully I figured out the solution myself, so if anyone experiences the same problem in the future here's my solution for you. I put my second 140mm fan right next to my graphics card, standing upright on the bottom of the case, directing the airflow from the intake to the card. Used double-sided tape. Temperatures decreased dramatically. Card temperatures dropped from 70c to 59c peak (49c peak at 100% fan speed for benching, comparable to water cooling), allowing me to overclock it further and set #1 time spy result in my country. X570 chipset temperatures dropped from 71c to 60c. No way to measure, but I think PSU temps got significantly better as well. Somehow, CPU temperatures improved slightly. My only note - if possible, use zipties or velcro, because double-sided tape is not very good at holding the fan firmly and if it falls on its side one day it will shred front panel header cables.

1 upvotes on reddit

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r/buildapc • [3]

Summarize

need input on case fans/general airflow.

Posted by Disastrous_Guest794 · in r/buildapc · 5 months ago

I've just selected all the parts for a PC I'd like to build very soon, and was wondering how much attention iI need to give to airflow. I want to go with the Corsair 4000D RS, which has three fans on the front. How much more airflow do I need? do I even need extra fans? The build has a Ryzen 5 9600x and a AMD Radeon 7800XT for reference. Any advice or input is greatly appreciated!

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My PC:https://www.walmart.com/ip/ASUS-ROG-R7-RTX-3060-Desktop-AMD-Ryzen-7-5700G-NVIDIA-GeForce-RTX-3060-16GB-RAM-1TB-HDD-256GB-SSD-Gray-Windows-10-Home-G10DK-WB764/797509896

2 replies

definitely-no-robot · 5 months ago

I'd put at least an additional fan in the back. Don't know if you're going with an AIO though but if you're not, then maybe one more fan up top, as close to the back as possible.

2 upvotes on reddit

RettichDesTodes · 5 months ago

Just add an exhaust fan in the back. Something like the Artic P14 Max is a cheap but performant option

2 upvotes on reddit

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r/pcgamingtechsupport • [4]

Summarize

How can I get better airflow in my PC?

Posted by JohnnyBoy875 · in r/pcgamingtechsupport · 3 years ago

I know this is usually a simple question with a simple answer, but my PC currently only has one exhaust fan and the CPU cooler. I recently ordered two new fans to install, one to replace the current exhaust fan and one to use as an intake in the front. The only problem is, there are no openings in the front of the case for the fan to draw air in from. The front of the case is completely sealed and solid, even though there is the proper holes to mount another fan. Will adding this fan even do anything if it can't draw in air through the front? Most games run on mac graphics and sit between 75-80 degrees C, but I would like to bring that down for good measure.

UserBenchmarks:

Game 95%, Desk 96%, Work 97%

CPU: AMD Ryzen 7 5700G - 93.8%

GPU: Nvidia GeForce RTX 3060 - 98.7%

SSD: WDC PC SN530 SDBPNPZ-256G-1002 256GB - 176.3%

HDD: Toshiba DT01ACA100 1TB - 19.1%

RAM: Hynix HMA81GU6DJR8N-XN 2x8GB - 82.2%

MBD: Asus ROG Strix G10DK_G10DK

2 upvotes on reddit

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9 replies

worldbyte85 · 3 years ago

You could remove the front panel but then dust build up would be very fast, there isn't much you can do, but if you add 2 intake fans on the front it will help the hot air out while adding a little new/fresh air into the case even if not much, eventually you should invest in a good case for this and future builds

2 upvotes on reddit

Anonymous_Arthur00 · 3 years ago

i mean it might seem extreme but if your case doesn't permit proper airflow why not just recase it yourself in something with better airflow like a Fractal Meshify or something along those lines?

2 upvotes on reddit

JohnnyBoy875 · OP · 3 years ago

I’ve thought about that. I was just worried that if I tried that then I’d mess something up during the transfer and damage it, but it may be a risk that I have to take at this point

1 upvotes on reddit

Anonymous_Arthur00 · 3 years ago

might be a good plan and you could also clean off and reapply some new thermal paste to your CPU and see if that helps with Temps

2 upvotes on reddit

Seaweed_Silver · 3 years ago

It looks like that side panel comes off. Why not just leave it off? If dust is your concern get a battery powered duster and blow it out weekly.

1 upvotes on reddit

tyanu_khah · 3 years ago

It will move hot air, so it might make things worse.

If you want better airflow, you might need to change the case. Or go McGyver and make openings yourself.

2 upvotes on reddit

JohnnyBoy875 · OP · 3 years ago

I’ve considered that, but I was just worried about dust and things getting in too easily. Is there a filter or something I can put over it?

1 upvotes on reddit

tyanu_khah · 3 years ago

There are some third party mesh filter that you can probably use as a filter. But unless you open the whole thing it won't take in that much dust

2 upvotes on reddit

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1 upvotes on reddit

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r/pcmasterrace • [5]

Summarize

Crammed case airflow help

Posted by bufflars123 · in r/pcmasterrace · 8 months ago

Hey guys, my case is pretty small for my GPU and everything else, it pretty much fits just barely, I am just wondering I only have space for 1 fan at the front, and 1 at the back, and maybe a low profile one above the CPU cooler ( there is vent but no mounting screws, I could just ziptie one there). my question is, What's the best way to keep this case cool? which should be exhaust/intake, and is there anything I can do about my GPU getting hot during games (87degrees in BG3).

reddit.com

2 upvotes on reddit

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https://preview.redd.it/ws2zy54gsmee1.png?width=1200&format=png&auto=webp&s=aa90e214b1683401bb2d9ceeb406af24fb4d2ec8

5 replies

Direct_Ambassador_10 · 8 months ago

Get a new case you have no room for your gpu to breath. Even if you add a fan I doubt it would get much air or if you just can’t leave the side panel off.

4 upvotes on reddit

DctrGizmo · 8 months ago

You'll have to get a bigger case. You can find really good one for under $100 if you look around.

1 upvotes on reddit

whatitisholmes · 8 months ago

r/sffpc this is a-okay with me

1 upvotes on reddit

cszolee79 · 8 months ago

3 upvotes on reddit

beast_nvidia · 8 months ago

Get a new case. I had that gigabyte 3070 and in my corsair 4000d airflow case it never went over 64 degrees.

1 upvotes on reddit

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r/pcmasterrace • [6]

Summarize

Airflow help

Posted by ESMAIL_BADRAN · in r/pcmasterrace · 2 months ago

So this is my case (Corsair 3500X ARGB ATX Mid Tower Case). I was planning to put 8 fans (4intake + 4 exhaust) The fans shown in the picture with the slot beneath them for intake and the 3 slots on the top with one on the back for exhaust. Is this a good airflow or should I change something

i.redd.it

2 upvotes on reddit

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6 replies

LeanMilk · 2 months ago

Top exhaust is for AIO radiator mostly. The 3 side fans and the 1 bottom front intake will create enough airflow towards the back. Exhaust fans are just accelerating the process. Visualize the heating components in your case and figure out the airflow that feeds air to their fans and brings the hot air out of the case.

1 upvotes on reddit

ESMAIL_BADRAN · OP · 2 months ago

I'm using air cooling tho so the top slots are empty, should I put 2 120mm fans on top and one on the rear so I have 4 intake and 3 exhaust, sorry I'm asking too many questions because this is my first PC so I'm not so familiar with that stuff

1 upvotes on reddit

LeanMilk · 2 months ago

You want the top exhaust to be behind your CPU cooler so it won't suck fresh air out of the case. You can put 1 at the rear end of the top rail (behind the CPU cooler) as exhaust, and 1 as intake at the front end of the top rail. 5 intake at from of the case you brute force airflow through the case.

I'm not sure there will be much difference really, as long as the top panel isn't leaking cool air out (which indicates less air going through components) you're good.

2 upvotes on reddit

obito07 · 2 months ago

Send it to me and I'll test it for you.

1 upvotes on reddit

ESMAIL_BADRAN · OP · 2 months ago

gif

1 upvotes on reddit

obito07 · 2 months ago

Jokes aside, the only way to know if that configuration is "good" is to test it with all the components you are gonna use it with. If your temperatures are fine then the configuration is good.

2 upvotes on reddit

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r/buildapc • [7]

Summarize

how can I improve my case airflow?

Posted by Aromatic-Offer-2379 · in r/buildapc · 4 years ago

hello there,

finally got rid of the stock noisy low rpm case fans and bought a 5 pack of Arctic P12 PWM PST fans so I decided to put them into the case (deepcool matrexx 55) like this: 2 intakes in the front, 2 intakes in the top of the case and one exhaust on the 120mm radiator (a segotep 120mm aio cooling a i5-9600k stock).

is this the best layout? at first I mounted the top ones as exhaust but the front case intake is not that big so not much air can actually come in and I tought that they would choke the fan on the aio.

the case is on the desk so the fans can suck as much air as they please and the case lets them to.

the psu is mounted fan down, so the gpu (1060 6gb) is the only heat producer inside the case.

in game with this layout I got 50-57 degrees celsius and on the gpu i got 65-67 (in rdr2, cyberpunk and other demanding titles)

is there any way of improvement or this is the max that the case can offer me?

thank you for your time and attention

2 upvotes on reddit

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7 replies

LordOverThis · 4 years ago

And why exactly are you needing to improve from 67°C at full load on the GPU?

2 upvotes on reddit

Aromatic-Offer-2379 · OP · 4 years ago

not really "needing" but you can always learn and improve what you do from people with more experience, get new ideas and try things out.

1 upvotes on reddit

nru3 · 4 years ago

It probably not even the case or airflow at this point, it's likely just the gpu temps. You can blow as much air as you want but it can only go so cold, unless you start trying to chill the air.

2 upvotes on reddit

beholdtheflesh · 4 years ago

my suggestion:

3 intakes in front

1 exhaust in rear

1 exhaust on top (the rear-most spot)

3 upvotes on reddit

Aromatic-Offer-2379 · OP · 4 years ago

thank you for the idea, gonna try that

1 upvotes on reddit

likkachi · 4 years ago

those are good numbers. i wouldn’t stress about getting much lower

2 upvotes on reddit

savorymilkman · 4 years ago

Top exhaust, front intake. Fast fans don't mean cooler system. There are different designs to optimize airflow. I suppose any aftermarket fans replacing are going to be better, but that's just the idea isn't it? Now moving more hot air OUT is ALWAYS BETTER than driving cold air IN. More intake means less exhaust. Always exhaust > intake i.e. an automobile

2 upvotes on reddit

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r/PcBuild • [8]

Summarize

Why do pc cases not have mesh panels/airflow side panels?

Posted by Only_Biscotti8741 · in r/PcBuild · 4 months ago

My PC case is just a brandless made-in-china with a standard glass panel side. I thought the airflow was okay with the fans that I had, 4 intake (2 front, 2 bottom) and 4 outake (1 rear, 3 top).

But apparently it wasnt enough airflow because replacing the glass side panel with a DIY wire mesh bordered with magnetic strips decreased my temp by 5-10°c. MHWilds CPU temp dropped from 65 max to 55 max.

Did it because I dislike glass and I find it fidly when I remove/repair/replace/clean parts.

Why dont more pc case manufacturer use it?

2 upvotes on reddit

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5 replies

archive_anon · 4 months ago

It "wasn't enough" but your cpu maxed at 65c? That's not even remotely close to bad, that'd actually extremely good temps for any cpu.

I mean sure you can always just punch more holes in a case to make it even cooler to a limit but your case was clearly fine as is.

1 upvotes on reddit

Gloomy-Debate277 · 4 months ago

There are plenty of options for air flow cases but the glass panels sell well to kids.

1 upvotes on reddit

Effective_Top_3515 · 4 months ago

Because tooling will cost more to make metal panels with mesh. Cheaper to just have glas panels.

Think most of the cases are made in china. The boutique ones made from other countries (costs more to make) charge a lot for them.

2 upvotes on reddit

foilrider · 4 months ago

mine does

1 upvotes on reddit

KarmaStrikesThrice · 4 months ago

Do you also get the same improvement with side panel simply off? I think it is a bit more complicated, your aio is suckin in hot air from the gpu that is blown along the glass up, my cpu temperature also gets better if i take the side panel off when my gpu is also loaded, but on the other hand my gpu 2-3°C cooler with glass side panel on, because it always sucks in cold from the bottom and aio exhausts the warm air, without the side panel on the gpu just blows the hot ait sideways and some of it gets recirculated back down into into gpu fans. With mesh side panel i imagine the gpu can exhaust the hot ait straight out, and cpu gets access to more cold air, but the gpu might run a bit warmer. Imagine how hot the cpu is running in a case with 5090FE, that gpu produces 600W of heat and has a small 2- slot cooler, that means the heatsink has to be super hot, and the air it exhausts has to be super hot, like 50°C or more most likely, that has to make the cpu run 20°C hotter no matter what, you can have Lian-Li case with 11 fans running 2000rpm each but 600W blown into aio intake with make the cpu bake. That is why i am surprised there are no cases that allow the 5090 exhaust air straight out.

Overall you want your components to suck in cold fresh air, and once the air is warmed up, you want to immediately get it out of the case before it touches any other components. The best way to do that is with 3d printed windtunels. But in a regular case the warm air mixed with cold air and aio pays the tax as it is the main of defense and exhausts hot air out.

1 upvotes on reddit

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r/PcBuild • [9]

Summarize

Help With Airflow

Posted by Ill-Adhesiveness5557 · in r/PcBuild · 1 month ago

Witch way sholud the Fans be facing?

currently I have the feeling that how it is set up Right now is very suboptimal. The case is a Hyte Revolte 3. I choose this because I have to move the PC around alot (LAN Partys frequent changing of my set up Location)

Now I want to optimize the cooling performance. I Played around with some fan settings (fan crontoll). It helpt alot with the Noise this litte fellow was making.

Any Advise would be great :)

reddit.com

3 upvotes on reddit

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3 replies

ToolRule29 · 1 month ago

It looks like they’re all set to intake. Just flip the rear single fan in the last pic to exhaust (the side of the fan with the bracket showing) and you should be good.

1 upvotes on reddit

Ill-Adhesiveness5557 · OP · 1 month ago

I am Not sure witch one you mean. The only Single one is on the power Brick. The case also is very narrow.

I Don t know if the Upper Fan on the AIO can Even Suck air proper because behind the cooling on top sits my Hard Drive with around 1cm room to spare between it an the aio cooling thing

The "brick Part“ above the motherboard is more or less solid

Maybe I drew it in a Bad way I Think air only can in the case from the back (in the direction the picture was taken and a Little Bit from the Front where the GPU sits)

1 upvotes on reddit

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r/pcmasterrace • [10]

Summarize

Need advice on fan placement for Corsair 4000D airflow

Posted by MyNameIsKillua_ · in r/pcmasterrace · 15 days ago

Glorious brethren, grant me your airflow wisdom!

I could really use some advice on optimizing my fan setup in a Corsair 4000D case.

Current setup:

3x front intake

2x top exhaust

1x rear exhaust

Extra options the case allows:

1 more fan on top

2 fans on the bottom

3 fans on the side (next to the GPU)

I’m wondering what the most logical layout would be. Here are the main options I had in mind:

Balanced airflow: Keep 3 front intake, 1 bottom intake, 2 top exhaust, 1 rear exhaust.

Positive pressure (more intake): Add bottom + side fans as intake, keep only top + rear as exhaust.

GPU-focused: Add 2–3 side intake fans directly blowing on the GPU, front/bottom intake for fresh air, minimal top/rear exhaust.

One thing I’m worried about: if I run both front and side as intakes, could that mess up the airflow pattern inside the case and cause issues instead of helping?

My goal is to get the best cooling without creating turbulence or a dust nightmare. Which setup do you think works best, or is there a smarter combo I haven’t considered?

Any advice from fellow 4000D owners or airflow masters would be much appreciated!

2 upvotes on reddit

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leoandmint · 15 days ago

positive airflow = more intake than exhaust = less dust

2 upvotes on reddit

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