![Amazon.com: ARCTIC F8 PWM PST - 80 mm PWM PST Case Fan with PWM Sharing Technology (PST), Quiet Motor, Computer, Fan Speed: 300-2000 RPM - Black : Electronics Amazon.com: ARCTIC F8 PWM PST - 80 mm PWM PST Case Fan with PWM Sharing Technology (PST), Quiet Motor, Computer, Fan Speed: 300-2000 RPM - Black : Electronics](https://m.media-amazon.com/images/I/51JPjKW64IL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: ARCTIC F8 PWM PST - 80 mm PWM PST Case Fan with PWM Sharing Technology (PST), Quiet Motor, Computer, Fan Speed: 300-2000 RPM - Black : Electronics
![The constant jumping of RPM when using default CPU fan settings really bothered me, so I came up with this custom one. Is it good/safe (Ryzen 5 3400G with stock cooler) : The constant jumping of RPM when using default CPU fan settings really bothered me, so I came up with this custom one. Is it good/safe (Ryzen 5 3400G with stock cooler) :](https://i.redd.it/b0j6527ji3961.png)
The constant jumping of RPM when using default CPU fan settings really bothered me, so I came up with this custom one. Is it good/safe (Ryzen 5 3400G with stock cooler) :
![CPU Fan over 4000 RPM when simply browsing a website, and much more when gaming. | Tom's Hardware Forum CPU Fan over 4000 RPM when simply browsing a website, and much more when gaming. | Tom's Hardware Forum](https://forums.tomshardware.com/proxy.php?image=http%3A%2F%2Fi.imgur.com%2FA4DG7tU.png&hash=bddb460a2f2b834a13d3ecc709281a1c)
CPU Fan over 4000 RPM when simply browsing a website, and much more when gaming. | Tom's Hardware Forum
![Amazon.com: Antec PWM PC Fans, 120mm Fan, High Performance Case Fan, 4-pin PWM Connector, Computer Fans with 2000 RPM, Storm Series 3 Packs : Electronics Amazon.com: Antec PWM PC Fans, 120mm Fan, High Performance Case Fan, 4-pin PWM Connector, Computer Fans with 2000 RPM, Storm Series 3 Packs : Electronics](https://m.media-amazon.com/images/I/616DoBpcABL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Antec PWM PC Fans, 120mm Fan, High Performance Case Fan, 4-pin PWM Connector, Computer Fans with 2000 RPM, Storm Series 3 Packs : Electronics
![The Basics of Case Fan Noise, Airflow, and Quieter Gaming | GamersNexus - Gaming PC Builds & Hardware Benchmarks The Basics of Case Fan Noise, Airflow, and Quieter Gaming | GamersNexus - Gaming PC Builds & Hardware Benchmarks](https://www.gamersnexus.net/images/media/2011/hardware/fan-slider2.jpg)
The Basics of Case Fan Noise, Airflow, and Quieter Gaming | GamersNexus - Gaming PC Builds & Hardware Benchmarks
![Amazon.com: Wathai 80mm x 25mm PWN Fan, High Speed 5000RPM 12V 4Pin Fan, DC Brushless Cooling Fan, Big Airflow Fan : Electronics Amazon.com: Wathai 80mm x 25mm PWN Fan, High Speed 5000RPM 12V 4Pin Fan, DC Brushless Cooling Fan, Big Airflow Fan : Electronics](https://m.media-amazon.com/images/I/615BNdkD5OS.jpg)
Amazon.com: Wathai 80mm x 25mm PWN Fan, High Speed 5000RPM 12V 4Pin Fan, DC Brushless Cooling Fan, Big Airflow Fan : Electronics
![Testing Results, Maximum Fan Speed (12 Volts) - Battle of The CPU Stock Coolers! 7x Intel vs 5x AMD, plus an EVO 212 Testing Results, Maximum Fan Speed (12 Volts) - Battle of The CPU Stock Coolers! 7x Intel vs 5x AMD, plus an EVO 212](https://images.anandtech.com/graphs/graph10500/82965.png)