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How to connect more fans

post #1 of 5
Thread Starter 
I am building a prodigy build and want to add some fans into my build but not quite sure if I need an adapter or splitter of some sort. I have the gigabyte-gaz77n motherboard which I believe only has 1x CPU fan header and 1x system fan header. I plan on keeping the fan that came with the case in the back of the case but want to install a 230mm for front intake and two 120mm in the top. What do I need to connect remainder fans to the power supply and which ones should i connect to the motherboard. Thanks in advance.
post #2 of 5
You can get splitters. Not sure how if you would be able to control the fan speed with multiple fans hooked up, unless they are the same. You can also run fans of the molex connections directly from your power supply. Problem with this is that the fans will always be on full speed. Not really a problem with low RPM fans, but you do not want 2000+rpm fans hooked up like this, they are LOUD. I would recommend fan controller. The Bitfenix Recon is great option. It is a tad bit expensive but worth it, not only for its abilities, but for is looks. Matches the Prodigy great!

If you do want to run them of the motherboard, you should run the CPU cooler to one. Both stock fans are pretty quiet and you should be able to run them both of a single line. If you buy the Bitfenix Spectre Pro 230mm, I am pretty sure that one comes of with a low noise adapter. You could run that one of the molex no problem. Plus I hear it is quiet even at full speed.
post #3 of 5
You can get adapters/splitters and so forth. If it was me I'd just add the fans I want and plug them into whatever header is available and see how I like it. I discovered that some fans in my rigs ran too fast. Sounded like an old DC-3 taking off! So, I found ways to control those fans, either through 3rd party software, or BIOS set up of the fan headers. I've also connected fan wires to molex connectors. You can control your fan speed this way, too. But first, I'd just experiment with hooking up fans in various headers/connectors and see how it performs for you, then go from there.

EDIT: RE. the poster above me: Actually, you CAN control your fan speed via molex connectors. It all depends on which lead (there are three) you hook your fan "hot" lead up to in the molex. You have three possible speeds. The black wired lead in the molex is for your ground. Experiment!
Edited by croSSeduP - 5/13/13 at 10:24pm
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Mr. Blue
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post #4 of 5
Thread Starter 
I plan on getting the bitfenix 230mm. So to run to molex do I need and adapter or is there none needed?
post #5 of 5
Don't NEED one; you do have to pull the wires out of the three prong connector of the fan wire to push these into the molex connectors. It's hard to explain; wish I had a picture to show you.
Mr. Blue
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