... -low ripple, ultra-low noise, ultra-high efficiency switching power supply 1,120 mm * 120mm * 25mm two-mute box fans, ... all-Main Board 24pin design and support for dual high-speed SATA hard disk or CD-ROM.3.ultra ... -low ripple, ultra-low noise, ultra-high efficiency4.anti-lightning design, over-current, over-voltage, overload ... 5VSB Peak current Up to 2.0A atx computer power supply ,real 450W