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Connect Noctua A14 Fan to kraken x40 radiator

post #1 of 3
Thread Starter 
Hi overclock forums, got a situation here
i have checked the kraken x40 install and it just says the usb or number 2 wire in Picture below is "connect fan to pump fan output cable"
so #2 wire is meant for the pump, but what about the extra part that branches off it, whats that good for?

Thing is the noctua a14 is capped at 1500 rpm and noctua x40 sends signals when needed to amp fan rpm to 2000 rpm

would it be risky to run the a14 as the primary fan? i wanted to do a push pull with this radiator but now i dunno if possible with fans that are rated for less rpm than the x40 is meant to handle


If neither of this is good idea,
then could i just plug the Noctua fan into the number 2 wire? where i put the question mark
*I could put in mobo but my mobo has no headers available

Edited by DrClaw - 11/15/13 at 1:09pm
post #2 of 3
What you're looking for is the NF-A14 PWM which runs up to 1500RPM or some other higher RPM fan than the NF-A14 FLX. IT shouldn't be an issue regardless, that's why there's a RPM sense pin on the 4 pins


Quote:
Typically you push the screws though your chassis, then the fans and then secure it all on the radiator. We test externally hence we mount the fans directly to the radiator. In the early stages you need to decide where you'll be positioning your radiator and how the tubing and wiring will be managed. The fans have connectors that you can merge them together with a splitter cable that is included and leads towards the cooling block.

You connect one three pin fan connector to the CPU FAN header on the motherboard, and the SATA connector obviously to a SATA connector feed on your PSU. This feeds the entire unit.

So please understand that the motherboard is not controlling the PWM fans, but the cooling block has a controller tied to the software for feedback on the performance modes. Depending on your choice you'll get a cooling performance preference that best suits your needs (louder and performance or silent with less performance).
http://www.guru3d.com/articles_pages/nzxt_kraken_x40_review,5.html
Quote:
All cabling is attached to the head of the unit making for a simpler install. We once again appreciate NZXT giving them a good sleeving job. As seen in the image below two fans can be connected if user wants to implement a push/pull setup. The USB header allows the cooler to interact with the software provided.
http://pro-clockers.com/cooling/2608-nzxt-kraken-x40-all-in-one-liquid-cpu-cooler-review.html?start=2

The second connector looks to be another fan header (splitter for push-pull)
Workstation stuff
(407 photos)
 
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Workstation stuff
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post #3 of 3
Thread Starter 
Thanks man that helps out alot
cheers thumb.gif
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