I'm planning to build a new PC with the following specs:
- CPU: Ryzen 7 9800X3D
- GPU: MSI RTX 5070 Ti Gaming Trio
- Motherboard: ASUS TUF B650-E WiFi
- RAM: G.SKILL 32 GB DDR5 6000 CL36
- Cooler: Thermalright Phantom Spirit 120 SE ARGB
- PSU: Super Flower Combat FG 850W
- Case: NZXT H6 Flow
- Storage: Platinum P41 2 TB NVMe SSD
The case includes three stock 120mm fans. Currently, my existing setup features a Ryzen 5 and a 3070 with an AIO cooler and additional fans in the case. I'm wondering if I can build the new PC without adding extra fans from my current setup. Would it overheat, or should I take my time to disassemble my current PC and use the other fans instead? What should I do?
4 Answers
You should build it with the fans you already have and see how it performs. Just keep an eye on the temperatures and noise levels. If either one isn’t great, then you can decide later whether you need to add more fans.
Give it a shot! With three case fans, it likely won’t thermal throttle, but it could be a bit louder. Remember, fans are relatively cheap to add later if you need them. Also, if you haven’t already, I’d recommend looking into a higher-end B850 motherboard for upcoming tech, since it won’t require a BIOS flash to work with your CPU.
You're worrying too much. It might run a few degrees hotter, but it shouldn't be a problem at all. Just see how it goes.
Honestly, you'll be fine. Not having extra fans won't make your PC overheat, especially in a full ATX case. But definitely test it out once it's built.

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