I am using gigabyte r9 270 oc edition .my casing is cooler master haf x..my motherboard only have 2 fan connector.but my casing have 4 fans.so i have decided to only turn the top fun and the side fan..as the casing is good..my gpu is getting like 83-85 max in furmark..i have muck airflow in my pc..yes my room temp is like 24 degrees.my gpu idle temp is 30 degree..is it ok to get that hot temp in furmark..is my decision for fans is ok?? sorry for my bad english