PC Modding

Get a less restrictive case, the hot air is not being replaced fast enough.

When was the last time you changed thermal paste on the gpu?

Clean your nasty ass computer.

Could try something like this https://www.amazon.com/RAIJINTEK-Morpheus-Heat-Pipe-Heat-Sink-Options/dp/B00R6YQYQ2/ref=asc_df_B00R6YQYQ2/?tag=hyprod-20&linkCode=df0&hvadid=563598683736&hvpos=&hvnetw=g&hvrand=18356538083250893712&hvpone=&hvptwo=&hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=9033829&hvtargid=pla-698366067011&psc=1

Or this https://www.amazon.com/RAIJINTEK-Morpheus-Compatible-Supports-0R10B00223/dp/B0C2TYM49J/ref=asc_df_B0C2TYM49J/?tag=hyprod-20&linkCode=df0&hvadid=674685775564&hvpos=&hvnetw=g&hvrand=12781659742383776690&hvpone=&hvptwo=&hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=9033829&hvtargid=pla-2206014887715&psc=1

Or this https://www.amazon.com/dp/B07XCFB5WP/ref=sspa_mw_detail_5?ie=UTF8&psc=1&sp_csd=d2lkZ2V0TmFtZT1zcF9waG9uZV9kZXRhaWwp13NParams

Or something like the Alphacool Eiswolf though you'd probably have to switch the rad to something smaller to fit your case.

But tbh for the price it would cost to go through all this you could probably just buy a different card with a better cooler on it.

Your best bet is probably to just go on ebay and buy someone else's broken card and swap the coolers since other brands tend to have more substantial heat sinks.

Tiny fans are whiny and loud. All your fans are tiny. Your case looks way too restrictive for a 3070, which means all your fans are spinning up to account for this. I would replace the case and fans before trying to mod your graphics card. . After you've done that you might be able to buy a faulty/for parts 3070 and re-purpose the cooling components. I would definitely do more research on this beforehand though.

Build a new computer honestly.

Buy a cheapish case, 50 bucks, that allows for actual airflow. Buy some cheap fans, some P12s would be cjeap/effective.

Buy a motherboard that's not 10+ years old. Buy a power supply that's not some SFF oem proprietary garbage. clean your filthy pc out I can see the gunk build up in the gpu.

I guess the first question are you sure it's the GPU fan and not the PSU or anything else spinning up to support the additional work the GPU is doing? If so and it is the GPU fan, there's likely nothing simple you can do. The comment to reducing the GPU power by tweaking it's power settings is probably the only easy option. But it likely will also reduce your gaming performance which might not be desirable if you're trying to do 4K gaming.

While addressing your case airflow and other components is definitely recommended, it seems likely it's more related to the GPU itself. Better airflow will help but it sounds like the GPU is pushing the limit of the included cooler so even better airflow probably won't be enough to keep it from cranking the fan up. I feel like this is the standard complaint on blower style coolers. The fact they exhaust the heat out the back is helpful at reducing the heat in the case meaning you can get by with less case airflow, they also tend to be noisy especially when the GPU is dumping a lot of heat out. A better GPU cooler is likely the only real solution. But 3rd party ones aren't cheap and of course you could mess up and kill your GPU if you're not careful. A GPU that comes with a better cooler would be best. But again, a "better" GPU cooler is also likely going to dump more heat into the case which brings us back to your less then ideal case airflow setup.

Thanks all for the thoughts. Air flow was not the problem. The computer does not look all that nice, but there is a decent fan in the front behind that plastic bracket at the lower right of the picture. I did remove a couple of rather minor dust cakes inside the card, but there really was not much to speak of. I don't think it was restricting air.

I did reapply what little thermal grease I had on hand though. I only had enough for a super thin layer all around. I reused the the thermal pads. Either the old grease dried out (probably) or just the act of disassembling and reassembling the card allowed for better thermal contact. I am going to disassemble and do it again the right way once I get a new tube of paste and some padding.

It is running much quieter now.

I'd reccomend finding a fan/fin/shroud assembly on eBay from a 3070 that someone has pulled off of their GPU to replace with liquid cooking. They're very common for 3080 and 3090 cards but haven't searched any for 3070s. They may be harder to find but if you can score one, should work much better than what you currently have as long as it's a 3070 with the same VRAM config.

If that doesn't work, this might be an even better option from NZXT.

https://nzxt.com/product/kraken-g12

With this.

https://nzxt.com/product/kraken-240