Connecting Chassis and Radiator Fans

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Kestrel452

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Oct 28, 2015
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Hey all,

I just swapped out cases from a Cooler Master to the Enthoo Luxe.

There are a plethora of fan hookups on my Asus VIII Hero motherboard, but I decided to make use of the fan connector hub pre-mounted in the case. I don't know if it's just these Corsair fans (two AF120's and one AF140), or if I hooked the hub up to the wrong mobo port. They are just noisy as heck. The AF120's *seem* significantly louder than the 140's. I tried plugging the hub header into one of the chassis fan ports and the "CPU_optional" port. It didn't seem to make a difference. What's the best connector to hook the hub into?

As for the H110i GTX cooler, I'm confused as to how it works. I have the SATA connector plugged into the PSU, the two fans plugged in, and the single wire dongle inserted into the CPU fan port. I get that the one wire hooks into the RPM info terminal so the system doesn't refuse to boot thinking there's fan; however I have no idea how it gets the CPU temp. Any idea how this thing gets the CPU temp in order to control the radiator fan speed properly?
 
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Sneezer


You don't need the USB connector. The motherboard will control the fan speed and receive the CPU temp through the CPU_FAN header.

You ended up paying a bit more for the Corsair Link but it's really not needed. It's sort of like being able to shift into "Sport Mode" and changing gears on a 4 cylinder Honda Civic. It's great if you're trying to tune CPU temp while overclocking but mostly there for a little fun.

It may be possible to use some sort of splitter to still get the Corsair Link USB attached. I don't have the use of my onboard USB 2 connectors on my PC because I wanted the Corsair Link and only had 2 USB...
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Sneezer

Sneezer

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Dec 28, 2015
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As far as the H110i GTX goes, the unit attached to the CPU has a thermometer in it. That communicated with the motherboard via the CPU_FAN connection. The fans should be plugged in to that unit as well via the other two cables that come out of the unit. The micro USB then connects from the unit into a USB header on your motherboard.

The mico USB communicates with the software associated that installs in Windows. The two fans are controlled via the unit which is ultimately controlled by the motherboard via the CPU_FAN port.

As for the noisy fans, these are not the ones that came with the cooler, right? Because those should be super quiet. I just installed some and I literally have to put my ear up close to them to hear them. Even when I put them on full blast.

If they're other fans you bought (I assume they are since you're AF), they're louder because they're airflow fans as opposed to static pressure fans. There won't be a whole lot you can do other than replace them.
 
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Sneezer

Sneezer

Reputable
Dec 28, 2015
195
0
4,860


You don't need the USB connector. The motherboard will control the fan speed and receive the CPU temp through the CPU_FAN header.

You ended up paying a bit more for the Corsair Link but it's really not needed. It's sort of like being able to shift into "Sport Mode" and changing gears on a 4 cylinder Honda Civic. It's great if you're trying to tune CPU temp while overclocking but mostly there for a little fun.

It may be possible to use some sort of splitter to still get the Corsair Link USB attached. I don't have the use of my onboard USB 2 connectors on my PC because I wanted the Corsair Link and only had 2 USB headers. I'd love to know if that could be done but I haven't tried to solve that problem yet.
 
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