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Same case fan speed regardless of temperatur

Jun 3, 2012
990 (0.39/day)
Processor Ryzen 7 1700
Motherboard Msi X370 gaming pro carbon
Cooling Scythe mugen 5
Memory 2x8gb corsair vengeance lpx 3000mhz cl 15 (running 3200mhz 16)
Video Card(s) Asus GeForce ROG Strix RTX 2060 OC 6G
Storage 1x500gb samunsg 970 evo m.2 pcie x4,1x1tb samsung 850 evo, 1x2000gb wd green
Display(s) 2 SAMSUNG 24" CFG7 SERIES C as accessory monitor (music,tv,videos,film)
Case Fractal design define r6
Audio Device(s) Denon RCD-M41DAB, Mission QX-2
Power Supply Evga supernova 650watt p2
Mouse Logitech G403
Keyboard Logitech G710
Software Windows 10 64 bit, Bitdefender Internet Security 2018
My asus prime X470 pro will only let my case fans run up to 70 c before the fan curve increase, no matter what i do i can't get it to be the same fan speed all the time do to the bios.

It's not a big deal since it shouldn't when gaming go above 60 ish with my ryzen 5 2600x at 4.1ghz.

I use my define r6's fan hub that is controlled by the mb the limiteds the samme fan speed to 70c

Besides buying diffrent fans or a low noise adapter from 12 volt to 7 and letting the fans in the bios run at 12 volt/100% which is 7 volt or max 700 rpm, ist there anything else i can do?
Mar 18, 2015
1,918 (1.25/day)
Long Island
What's controlling fan speeds ?

Use FanXpert MoBo Utility
"5-Way Optimization by Dual Intelligent Processors 5
- Whole system optimization with a single click! 5-Way Optimization tuning key perfectly consolidates TPU, EPU, DIGI+ VRM, Fan Xpert 4, and Turbo App together, providing better CPU performance, efficient power saving, precise digital power control, whole system cooling and even tailor your own app usages.
Fan Xpert4
- Fan Xpert 4 featuring Fan Auto Tuning function and multiple thermistors selection for optimized system cooling control"

You can shut fans off completely at set temps, slect speed, ramp up and down