The FAN4SPLIT12 Fan Power Splitter Cable enables you to connect two 4-pin (PWM) fans to a single power supply connector, which allows you to optimize your computer cooling capability without having to upgrade the power supply. Providing a flexible way to position computer case fans as needed, this 4-pin Fan Power Splitter cable offers a connection length of 1 feet, eliminating the need to strain the connection from the computer power supply in order to reach the fan power connection. This high quality splitter cable is constructed of high quality materials to ensure long-lasting performance, and is backed by StarTech.com's Lifetime Warranty.