The Antec 450-Watt Power Supply is crafted for quality, performance and value. This unit has an effective 120mm fan for efficient cooling and silent operation. The Antec power supply also features heavy-duty protection circuitry on all rails. This means your unit is guarded against over current and voltage protection. It also works to protect your machine from short circuiting and static electricity. The dual +12v rails power supply comes in a black finish. It comes with a power switch in the back for convenience. Simply flip it on or off. The three-prong power setup is featured as a universal connector. This means it has a plug-n-play function which allows for a quick setup. This computer accessory enables the system to become more stable and cool down quicker, without an overuse of power. It is a cost-effective way to continuously run your computer. This unit is able to handle sudden surges to protect your hardware from short circuits and high voltage.