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Quieter setup

post #1 of 5
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Currently I am running a Prolimatech Megahalem with one Scythe Ultra Kaze 3K in push, and I am sick of the noise that this thing creates and I always turn it down to 25% when I am using my computer for daily use basically when I'm not gaming.

I'd like to get some quiet fans for the Megahalem so that I don't have to always turn them down while not gaming and then still have them still powerful enough to provide good temps while gaming, right now I am running @3.2GHz with the TurboV setting in the BIOS.

Some fans that I was thinking about were
Noiseblocker M12-S3HS
Gentle Typhoon AP-14 or AP-13s
Noctua NF-P12

Also if someone could elaborate on PWM and how that works and if it would be actually benefical for me to look into some PWM fans.

I will also be running these fans in a push/pull setup on the heatsink.

Thanks
-Patrick
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Shannon v.2
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post #2 of 5
Just get a cheap fan controller and you can turn it to whatever speed you want. I've got 3 of those fan's on my rad and I know what your talking about, but the fan controller tames those beast's.
post #3 of 5
Quote:
Originally Posted by HandGunPat View Post
Currently I am running a Prolimatech Megahalem with one Scythe Ultra Kaze 3K in push, and I am sick of the noise that this thing creates and I always turn it down to 25% when I am using my computer for daily use basically when I'm not gaming.

I'd like to get some quiet fans for the Megahalem so that I don't have to always turn them down while not gaming and then still have them still powerful enough to provide good temps while gaming, right now I am running @3.2GHz with the TurboV setting in the BIOS.

Some fans that I was thinking about were
Noiseblocker M12-S3HS
Gentle Typhoon AP-14 or AP-13s
Noctua NF-P12

Also if someone could elaborate on PWM and how that works and if it would be actually benefical for me to look into some PWM fans.

I will also be running these fans in a push/pull setup on the heatsink.

Thanks
-Patrick
PWM fans always run at 12v, unlike 3 pin fans which change speed based on voltage.

PWM is only useful if you are stringing multiple fans on one header, so the fans can grab power straight from molex but still get the speed signal off the board, so you can have lots of fans on one header without overloading it. They make splitters just for this purpose.

3 pin fans, however, need to have the +12v and -12v plugged into the board to be throttled. This means you can easily overload the header by plugging too many fans in, typically more than 2 is bad.
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post #4 of 5
"Pulse-width modulation

Pulse-width modulation (PWM) is a common method of controlling fans. Modern computer motherboard PWM control when used with multi-core CPUs reads data from Digital Temperature Sensors on each core of the CPU.

Unlike the linear methods above that are based on voltage loss, PWM switches the input voltage between (nearly) fully on and fully off. This means there is practically no voltage or power loss and associated heat output. PWM controller can be a relatively small, low-power and cool-running, albeit complex, component that doesn't require heavy duty resistors, diodes or transistors and associated heatsinking."

Provided by wiki.

You can get some super cheap fans Yate loons mid speeds. they should be quiet enough for you.

AP-14 are the best on the market but hard to come buy and really pricy.
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post #5 of 5
PWM fans are available. PWM fans can be controlled by mb's that can control fans with PWM. Unfortunately you. like me, are using an As.s P7P55D-E Pro mb that will control fans only with PWM. My Gigabyte boards control(led) fans with both PWM and Voltage.

For your Megahalems you should get a PWM fan or fans. That way when you aren't stressing your fans you can have them run quietly.

The only 120x38mm fan I know is here. You have to download the datasheet and carefully move the wires from their proprietary plugs to standard PWM plugs though. I did it and they work fine, going up to 3700+ rpm. But they growl at lower speeds, though.

Unfortunately the Megahalems has mounting screws that interfere with 140mm fans. Otherwise you could use a TY-140. You can do that with a Super Mega, but not a Megahalems.

Which leaves you with PWM fans. I'm collecting PWM fans to compare on my D14, but you can compare the Akasa Apache, the Enermax Cluster and the Cooler Master Blade Master - all PWM fans - by looking at item 1 in my sig. Also, Scythe makes their 1200rpm and 1600rpm Slip Streams in PWM versions.

You can compare 1 vs 2 fans. Sometimes you get a little improvement (the 1600 rpm Slip Streams dropped 2c), sometimes not.

Be sure to shop around. I always look at Koolertek, JAB-Tech, Directron, and SVC for inexpensive fans.
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