Can't Adjust Fan Speeds.. HELP PLEASE

[SensationzH4mR]

I just build a new PC and I am having serious issues with the fans. I have a Corsair 400c, and it has 5 fans installed. The fans I have are the 2 pre-installed fans; a Corsair 120mm and 140mm, along with 3 Corsar AF120 Quiet Red LED fans spanning the front of the case. I am using the Gigabyte Z170X Ultra-Gaming Motherboard, and I cannot seem to control the fans. The motherboard has "Smart Fan Control", where I can set up custom cooling curves for my fans. It seems to recognize the fans, because it will display the RPM of fans, but when I adjust the curves, even setting them outright to zero, nothing happens for most of the fans. The weird thing is that 1 or 2 of the fans would completely shut down, but others would be completely unaffected and keep running in full speed. I also tried SpeedFan, the software I used to control fan speeds with my previous MOBO, but it does not seem to identify any of the fans. With much desperation, I ordered a Silverstone PWN Fan Controller and connected all of my fans to it. They all run correctly now, except for the fact that I have zero control of their speeds. I am very, very frustrated right now, and any help would be great.
PS, all fans are 3 pin, and the fan controller plugs into a single 4 pin connector and a sata power cable.
Links to products:
https://www.amazon.com/gp/product/B00VNW556I/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1
https://www.amazon.com/Corsair-AF120-Quiet-High-Airflow/dp/B00F6S0XJO/ref=sr_1_1?ie=UTF8&qid=1480462590&sr=8-1&keywords=corsair+air+series+af120+led

 

[panathas]

It's pretty simple. The silverstone fan controller is a PWM controller which means that it can control PWM fans. A PWM fan needs 4 Pins and not 3 as yours. So you need new 4-PIN fans in order to control them through the silverstone fan controller.

Motherboards can control the fan speed through voltage for 3-Pin fans or through PWM for 4-Pin fans. If you only have 3-Pin fans then the only way to control their speed is through voltage but unfortunately some motherboards don't have that voltage control on all of their fan headers. This seems to be happening with your board and that's why you can control some of your fans but not all of them.

EDIT: You said that you have 5 fans but your board doesn't seem to support all of them. How are you truing to connect them and what fan headers are you using?

 

[SensationzH4mR]

It's pretty simple. The silverstone fan controller is a PWM controller which means that it can control PWM fans. A PWM fan needs 4 Pins and not 3 as yours. So you need new 4-PIN fans in order to control them through the silverstone fan controller.

Motherboards can control the fan speed through voltage for 3-Pin fans or through PWM for 4-Pin fans. If you only have 3-Pin fans then the only way to control their speed is through voltage but unfortunately some motherboards don't have that voltage control on all of their fan ports. This seems to be happening with your board and that's why you can control some of your fans but not all of them.

Well shit... Any suggestions for fans I would be able to control?

 

[panathas]

You said that you have 5 fans but your board doesn't seem to support all of them. How are you truing to connect them and what fan headers are you using?

 

[SensationzH4mR]

You said that you have 5 fans but your board doesn't seem to support all of them. How are you truing to connect them and what fan headers are you using?

Motherboard only has 5 headers, so I currently have them all connected to the controller because I also have a CPU cooler fan that isn't connected because of lack of headers. Before that though, I had them connected to the nearest header to each of them.

 

[panathas]

According to Gigabyte, your board has:
1 x CPU fan header
1 x water cooling fan/pump header (CPU_OPT_PUMP)
2 x system fan headers
1 x system fan/water cooling pump header (SYS_FAN2_PUMP)

The CPU fan header is only for the CPU cooler and not for case fans. One fan header is only for water cooling and you can't use it. That leaves only 2 system fan headers for fans and 1 that can be used for system fan or a water cooling pump. So you can use 3 of those headers for your case fans and your board should be able to control them through voltage. That last fan header with the dual purpose, may have a BIOS setting that enables voltage regulation by just setting it as fan header and not water cooling pump header. Now since you only have 3 available fan headers you can use 2 3-Pin Y fan splitters. That way you'll be able to control them through the motherboard.

Now if you want to use an external fan controller with these fans then you need one that is able to provide voltage regulation through the 3-Pin fan headers. If you want to keep the silverstone fan controller then I'm afraid that you need to get 5 new 4-Pin fans.

 

[SensationzH4mR]

According to Gigabyte, your board has:
1 x CPU fan header
1 x water cooling fan/pump header (CPU_OPT_PUMP)
2 x system fan headers
1 x system fan/water cooling pump header (SYS_FAN2_PUMP)

The CPU fan header is only for the CPU cooler and not for case fans. One fan header is only for water cooling and you can't use it. That leaves only 2 system fan headers for fans and 1 that can be used for system fan or a water cooling pump. So you can use 3 of those headers for your case fans and your board should be able to control them through voltage. That last fan header with the dual purpose, may have a BIOS setting that enables voltage regulation by just setting it as fan header and not water cooling pump header. Now since you only have 3 available fan headers you can use 2 3-Pin Y fan splitters. That way you'll be able to control them through the motherboard.

Now if you want to use an external fan controller with these fans then you need one that is able to provide voltage regulation through the 3-Pin fan headers. If you want to keep the silverstone fan controller then I'm afraid that you need to get 5 new 4-Pin fans.

Alright thanks.