Originally Posted by guinner16
Is it a big deal if I use non pwm fans on the h220 (I was looking at the corsair high static pressure fans). I was thinking about connecting the case fans to an 8 way splitter, and the 4 fans on the rad to a separate splitter. Would I be able to control both of these groupings separately via the bios? If it doesnt make much of a difference I will just order all corsair fans and return/sell the xilence fans.
First off, you don't want to run an 8 way, or even 4 way, splitter off a fan header on the MB, you will burn up the fan header (and possibly the MB). MB fan headers are not meant to take that kind of amperage. Second, my best suggestion would be to go with the Corsair SP high performance fans for your rads and AF fans for any non-rad fan locations (or just go with SP fans for all, which would be just as good and easier to manage). I know the SP fans (not sure about the AF fans) come with a resistance adapter which cuts them down to either 5 or 7 volts (can't remember which). What I would do is hook up everything straight to the splitters and see how the noise is, if it is too loud, throw the resistance adapters on the non-rad fans and try again. If it is still too loud, throw the rest of the resistance adapters on and you should be good.
I’m running 4 of the SP HP fans right now outside of my case (on an external rad) without the resistance adapters and I don’t think they are loud at all. If you are putting them inside the case, you probably won’t hear them. If you do, you can put the adapters on them and drop the RPMs / reduce the noise.
I know this doesn’t give you the kind of control you were looking for, but I would strongly recommend not using the MB fan headers, as they are just not made to handle the kind of amps that multiple fans pull. You can usually get away with running 2 fans per header, but anything over that would be kind of a risk. If you are still wanting to try it, you can look at the booklet that came with the MB, see if it list the max amps for the fan headers and compare that to what the fans would pull and see if you are safe (my bet would be that it would not be, but I could be wrong). If you’re not sure on the math the calculate the amps the fans would pull, post what the MB book says and the fans you want to use and I can figure it up for you.
If you are wanting to be able to control the fan speed, your best bet for running this many fans is to go with a decent fan controller. If you do decide to go that route, let me know, I’ve a done a ton of research on them and I can let you know what would work for the particular situation you are looking for (how many fans you want to control with each channel, how many fans total, what fans, etc.).
Last thing, about the fans, please, please don’t go with the grey/red fans, that would look horrible with the build!!! Personally, as I said before, I would say to go with the Corsair SP HP fans, for the money, they really are awesome.
As always, good luck with the build!!!!!