Case Fans RPM

[Eucliwood]

Hi there, i have 3 case fans, 1 of which is a molex and the 2 others are 3-pins fan connected to the mobo. From what i see in the Speedfan software, is that the intake one in the front is running at higher RPM than the exhaust one. Is there a way to increase the RPM and is that a problem? Thank you

 

[CountMike]

Are they all same ?
The one connected by Molex to PSU you can't do nothing about. Others connected to MB you can adjust thru BIOS. Not all fans have same minimum and maximum speeds so you have to check what they are.

 

[Eucliwood]

Are they all same ?
The one connected by Molex to PSU you can't do nothing about. Others connected to MB you can adjust thru BIOS. Not all fans have same minimum and maximum speeds so you have to check what they are.

The one fan that is connected to the psu is a normal one. But the other two i don't know about their make. they came together with the casing i bought but they they both have 3 pin connectors and also molex. When i look into the Speedfan app, i see that one is running at 1070 and the other at 1015. Although they are the same, i tried putting them at the same speed but it doesn't do anything. I have a Biostar T5 XE CFX-SLI mobo.

 

[CountMike]

That much difference is within limits, wouldn't matter any. Don't worry about it. They are not very accurate specially when voltage controlled (3pin).

 

[Eucliwood]

That much difference is within limits, wouldn't matter any. Don't worry about it. They are not very accurate specially when voltage controlled (3pin).

Hmmm is there a way to change the settings in BIOS because when i go there, the options are greyed out and i can't do anything about it. I'm not comfortable with updating my bios for fear of losing my pc if i do something wrong since this is quite an old motherboard although bought new was sealed and last year.