TFX Power 3 300W Bronze: the advanced power supply from be quiet. for mini and media PCs with 80 PLUS Bronze certification and power to support a PCIe graphics card. The 80 PLUS Bronze certification with an efficiency of up to 88.3% is a compelling proof of the efficient and energy-saving operation of this power supply. A PCIe adapter is included for high-power peripherals such as a graphics card. This makes the TFX Power 3 300W Bronze the ideal power supply for anyone looking for enough power for a compact system with quiet operation. The temperature-controlled fan ensures quiet operation and low heat loss. Since the TFX Power 3 300W Bronze meets the latest safety standards, it protects the PC against overcurrent, over- and under-voltage, as well as short circuits and overload.