HI I bought the 3 pin fans thinking I'll be able to control the speed, I have the gigabyte ga-h170m-d3h mobo but it has 4 pin headers, I understand that 4 pin fans are the ones that can be controlled. But I've read that you can also control 3 pin fans on mobos that can support it. Is there a way to control the fans? Because I don't want them to run at full speed all the time. Can I do it with my motherboard or can I use a fan controller to do so? I have the corsair sp120 fans btw.