This extension connects a 3-pin fan to a 3-pin header on a motherboard or fan controller.  The total legnth is 10"

3 Pin Extension Cable
10" inch  extension cable for 3 wire devices.  If you have a fan header that's too far away from your cooler this will fix that problem. This extension connects a 3-pin fan to a 3-pin header on a motherboard or fan controller.  The total legnth of 10" is useful for most applications inside a computer case.

Specs:
One male and one female molex connector on each end, respectively.
10" long.
Three wires: yellow, red, and black. Black is ground. Red is for 12V. Yellow is for temperature sensing (optional for some case fans).