![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://preview.redd.it/b0j6527ji3961.png?auto=webp&s=1f58621e343714a51ec0346456d9b3e382d015d5)
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) :
![Efficient PWM-Controlled Pump, Fan Speed: 800-1800 Rpm - Black CPU Water Cooler - China Fans Computer Water Cooling Fan and Radiator price | Made-in-China.com Efficient PWM-Controlled Pump, Fan Speed: 800-1800 Rpm - Black CPU Water Cooler - China Fans Computer Water Cooling Fan and Radiator price | Made-in-China.com](https://image.made-in-china.com/202f0j00jVyrzCBcLiUO/Efficient-PWM-Controlled-Pump-Fan-Speed-800-1800-Rpm-Black-CPU-Water-Cooler.webp)
Efficient PWM-Controlled Pump, Fan Speed: 800-1800 Rpm - Black CPU Water Cooler - China Fans Computer Water Cooling Fan and Radiator price | Made-in-China.com
![GDSTIME 60mm CPU Fan 12V Computer Fan 60 x 10mm CPU Cooler 6CM PC Fan 3 Pin DC Brushless Cooling Fan 3500 RPM Case Fan Cooler For Router Game Console Cabinet Inverter GDSTIME 60mm CPU Fan 12V Computer Fan 60 x 10mm CPU Cooler 6CM PC Fan 3 Pin DC Brushless Cooling Fan 3500 RPM Case Fan Cooler For Router Game Console Cabinet Inverter](https://m.media-amazon.com/images/I/61c1OO0v0PL._AC_UF1000,1000_QL80_.jpg)
GDSTIME 60mm CPU Fan 12V Computer Fan 60 x 10mm CPU Cooler 6CM PC Fan 3 Pin DC Brushless Cooling Fan 3500 RPM Case Fan Cooler For Router Game Console Cabinet Inverter
![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/graph10500/82964.png)