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Noob question regarding fan hookup

post #1 of 9
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So I ordered 10 yate loon high speeds. Then I decided what the hell, I am going to go with watercooling and ordered a rasa rx 240 kit. I have a haf 912, and I was going to install 4 fans in push pull with the rad mounted externally.

My question is how to hook up the fans. I am competent at soldering, so I was thinking I clip the fan wires and solder them all together to plug in, rather than having a messy looking daisy chain on top of my case. Should I hook them up with a 3 pin connector and plug that into the cpu lead on my mobo? Or would that be too much power for the plug to handle? Would I be better off hooking them up with a 4 pin connector straight to the psu?
    
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post #2 of 9
I would use something like this:

http://www.newegg.com/Product/Produc...-004-_-Product
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post #3 of 9
I would say play it safe and hook them up to the 4 pin connector on the PSU. It will be easier to hide rather than having to hide the wire connected to the motherboard, and you don't mess anything up with 4 fans hooked up to the mobo header. win win
post #4 of 9
Quote:
Originally Posted by Sheyster View Post
Beat me to it... I actually own one and it works great
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post #5 of 9
Get a fan controller w/ high wattage per channel and multiple channels (lamptrons are what come to mind) and solder/splice a few fans into one harness. keeps the wire clutter down.

BTW, why not the RS360 or RX360 kits? a 360mm rad fits inside the HAF 932

edit: sorry, saw it was a 912
Edited by wermad - 4/14/11 at 11:08pm
post #6 of 9
Thread Starter 
Quote:
Originally Posted by Blue Marker View Post
I would say play it safe and hook them up to the 4 pin connector on the PSU. It will be easier to hide rather than having to hide the wire connected to the motherboard, and you don't mess anything up with 4 fans hooked up to the mobo header. win win
Thanks, that is what I was thinking. Any thoughts on my plan to snip the wires and solder together? I figure one sleeved cable heading from the top of the case would look much neater than 4 sets of wires with big, ugly headers daisy chained.

And no rx 360 because I already had ordered a haf 912 when it was on sale with a pretty good rebate, not even thinking I would water cool.

I also don't have room for a fan controller. DVD drive, card reader, and isn't the rasa pump/res a 2x5.25 bay unit? That eats up all 4 of my slots.
Edited by Secretninja - 4/14/11 at 8:35pm
    
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post #7 of 9
Yeah, it's true it would look a lot neater if soldered together and since you sound pretty confident about your soldering skills, I say go for it. In theory it is the same as daisy chaining, but without all the connectors. But I'm no good with electrical know how, so you may want to wait for a second opinion. I remember reading somewhere that someone soldered two fans together to go to the power connector, so I think it sounds safe.
post #8 of 9
I just received my watercooling stuff that I bought on here last week, and the fans were spliced together with a male 3-pin connector spliced into each of the fan's leads, so each fan had a female (for mobo or adapter) plus a make 3 pin for daisychaining. I also got a fan controller with it (which I'm going to ditch and get a PWM controlled one). It's always best to run a fan controller designed for that kind of duty, but after running these 3 yate loon 2200 rpm fans daisy chained without any problems (from a 4-pin molex to 3 pin adapter, NEVER from a mobo header), I'm confident that you can splice them as you mentioned before, especially if you half know what you're doing.

The biggest concern I would have would be if daisy-chaining them together the power going through the first connection to the molex, the amperage on that wire, that it isn't burning it up. If you wired them all in parallel instead of series, I guess that wouldn't be a problem, but it would be more difficult to shoehorn a bunch of wires into the back end of a molex plug.
post #9 of 9
Thread Starter 



Ended up wiring them in pairs. Turned out ok, didn't have quite enough wire on the top 2 fans to make it as clean as I would have liked, but the messiness will be behind the mobo tray. The outside looks pretty good, a little bit of slack on one of the fans, but not bad at all. Thanks for the input guys.
    
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xfx 650w Haf 912 Logitech g400 
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