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Noctua Nf-a4x10 Flx 40mm 40x40x10 4500 Rpm 17.9 Db(a) Cooling Fan Cooler Fan Radiator Fan Computer Cases & Towers Fan - Fans & Cooling - AliExpress
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Has anyone had the crazy idea to swap all their case fans for these? If yes, any improvements? : r/Noctua
![Noctua NF-A20 200mm Fan Review vs. Cooler Master MF200R | GamersNexus - Gaming PC Builds & Hardware Benchmarks Noctua NF-A20 200mm Fan Review vs. Cooler Master MF200R | GamersNexus - Gaming PC Builds & Hardware Benchmarks](https://www.gamersnexus.net/media/k2/items/cache/9c9c855419620bf0857d3fbc9f17cbb8_XL.jpg)
Noctua NF-A20 200mm Fan Review vs. Cooler Master MF200R | GamersNexus - Gaming PC Builds & Hardware Benchmarks
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Amazon.com: Noctua NF-F12 iPPC 3000 PWM, Heavy Duty Cooling Fan, 4-Pin, 3000 RPM (120mm, Black) : Electronics
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