![I wanted to upgrade my stock part cooling fan to a pair of noctua 40mm fans and when I did a test run they barely push any air through the ducts compared I wanted to upgrade my stock part cooling fan to a pair of noctua 40mm fans and when I did a test run they barely push any air through the ducts compared](https://preview.redd.it/iowcxp3hjsh51.jpg?auto=webp&s=3ada0ae8b6e0b5df99650b5a7fecdb2c8ed3e30e)
I wanted to upgrade my stock part cooling fan to a pair of noctua 40mm fans and when I did a test run they barely push any air through the ducts compared
![The ASUS GeForce RTX 4080 Noctua Edition brings the best in quiet cooling to next-gen graphics - Edge Up The ASUS GeForce RTX 4080 Noctua Edition brings the best in quiet cooling to next-gen graphics - Edge Up](https://edgeup.asus.com/wp-content/uploads/2022/12/RTX4080-O16G-NOCTUA_KV-1.jpg)
The ASUS GeForce RTX 4080 Noctua Edition brings the best in quiet cooling to next-gen graphics - Edge Up
![Noctua NH-U14S Air vs. Enermax Liqtech 240 Liquid Cooler for Threadripper | GamersNexus - Gaming PC Builds & Hardware Benchmarks Noctua NH-U14S Air vs. Enermax Liqtech 240 Liquid Cooler for Threadripper | GamersNexus - Gaming PC Builds & Hardware Benchmarks](https://www.gamersnexus.net/media/k2/items/cache/3b1f6cfb04191062fa576eb6c620f4fa_XL.jpg)
Noctua NH-U14S Air vs. Enermax Liqtech 240 Liquid Cooler for Threadripper | GamersNexus - Gaming PC Builds & Hardware Benchmarks
![Free STL file Ender 3 Hotend Cap for Noctua NF-A4x20 FLX and blower for stock nozzle fan・3D printable object to download・Cults Free STL file Ender 3 Hotend Cap for Noctua NF-A4x20 FLX and blower for stock nozzle fan・3D printable object to download・Cults](https://files.cults3d.com/uploaders/18301613/illustration-file/4a2bcf5d-c32c-44aa-990c-ee2dc8debdad/IMG_0596.jpg)