Question R9 380 4GB sapphire nitro + fan start and stopping

[jay781]

hi guys i bought a sapphire r9 380 4gb nitro+ i notice the fan powers up when im playing a game and in idle somtimes its starts and stop is this normal for this graphic card as im worried about the graphic card messing up.

 

[Calvin7]

That is normal fan operation.

(PWM) Pulse Width Modulation Fan Speed Control Function
For example:
http://www.delta-fan.com/Technology/PWM.htm

 

[jay781]

hi thanks i played resident evil 2 remake and temps are in the 70c reaching close to 79c sometimes range and in idle its in 50c idle is this to worry about?.