StarTech.com 12in Fan Adapter - TX3 to 2x LP4 Power Y Splitter Cable (CPUFANADAPT) - power splitter - 6 in

Connect a TX3 fan directly to the power supply. This 12in 3-pin (TX3) to LP4 Power Y-cable lets you connect your CPU fan directly to the computer power supply, instead of connecting it to the designated motherboard port.

The adapter cable features a TX3 connector for connecting to the CPU fan, as well as a female LP4 connection to the computer power supply and an extra LP4 male connector that compensates for the used of the LP4 connector used to connect to the power supply.