Sunbeamtech Multi Fan Power Port
 

Fans are the most commonly-used method of keeping a PC cool. Affordable and easier to implement noise is not the only drawback to air powered cooling—it’s providing power for all of those fans, which can turn into a wiring nightmare. But there is a simple and affordable solution for powering multiple fans inside your rig’s case without resorting to a lot of messy, additional wiring and adapters: the Sunbeamtech Multi Fan Power Port.

http://www.barrys-rigs-n-reviews.com.../mfpp/mfpp.htm