Gigabyte gtx 460 fan speed idles at 2k rpm

[srzvirgo]

i have a gigabyte gtx460 with driver 260.63 idles at 40% fanspeed which is 1980-2010 rpm. is it normal?

 

[jfby]

It can be depending on the case temp. and airflow situation.

 

[srzvirgo]

my problems is it idles at 30 degree celcius and 40% fanspeed at about 2k rpm.... would it affect the fan's lifespan?