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Should I go PWM or just use regular fans?

post #1 of 6
Thread Starter 
So I am re-doing some of my case cooling and noticed all my fan headers on the Rampage II gene are 4-pin. Should I go with the PWMs or just keep it real with the 3-pin fans?

Benefits of one over the other (cost aside)?
    
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post #2 of 6
Quote:
Originally Posted by killnine View Post

So I am re-doing some of my case cooling and noticed all my fan headers on the Rampage II gene are 4-pin. Should I go with the PWMs or just keep it real with the 3-pin fans?
Benefits of one over the other (cost aside)?

The PWM fan's can be adjusted by the system. You could set custom fan profiles so that when your PC is not doing much, the fans turn down. Then when you start to put the PC under load the fans will spin up. You can even use ASUS software to make custom fan profiles. great cooling only when you need it.
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post #3 of 6
Thread Starter 
Quote:
Originally Posted by KhaoticKomputing View Post

The PWM fan's can be adjusted by the system. You could set custom fan profiles so that when your PC is not doing much, the fans turn down. Then when you start to put the PC under load the fans will spin up. You can even use ASUS software to make custom fan profiles. great cooling only when you need it.

For some reason , I had thought that the mobo could drop the RPM down on fans even without the PWM (changing the resistance and dropping the voltage?).

This makes sense, though, and I would definitely like to create a profile that can behave dynamically as I use my system.
    
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post #4 of 6
Quote:
Originally Posted by killnine View Post

For some reason , I had thought that the mobo could drop the RPM down on fans even without the PWM (changing the resistance and dropping the voltage?).
This makes sense, though, and I would definitely like to create a profile that can behave dynamically as I use my system.

Yea, Gigabyte has Voltage controlled fan headers(3 pin), not sure if other mobo makers do it. I like PWM, and use my Rheosmart:)
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post #5 of 6
Quote:
Originally Posted by KhaoticKomputing View Post

Yea, Gigabyte has Voltage controlled fan headers(3 pin), not sure if other mobo makers do it. I like PWM, and use my Rheosmart:)

As did my old 775 Abit board. I assumed it was a totally standard feature.
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post #6 of 6
Quote:
Originally Posted by disruptor View Post

As did my old 775 Abit board. I assumed it was a totally standard feature.

not all 3 pin sockets have voltage control. My asus board didnt have any. my UD3 has them:(
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CPUMotherboardGraphicsRAM
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Hard DriveHard DriveHard DriveHard Drive
Western Digital Caviar Blue 640Gb Samsung SpinPoint F4 2Tb Seagate Barracuda 7200.9 ST3500641AS-RK 500Gb Seagate Barracuda 7200.9 ST3500641AS-RK 500Gb 
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Gizmoto
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They beat me:(
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Western Digital Caviar Blue 640Gb Samsung SpinPoint F4 2Tb Seagate Barracuda 7200.9 ST3500641AS-RK 500Gb Seagate Barracuda 7200.9 ST3500641AS-RK 500Gb 
Optical DriveOptical DriveCoolingOS
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