Features: 1.The connector with clear mark makes the installation quick, easy and effective 2.The product is very suitable for low energy consumption, low noise basic desktop system 3.Real double magnetic ring design, adopts for Intel ATX12V 2.31 4.115/230V manual switching voltage, adjustable and flexible, very convenient 5.The fan speed is automatically controlled by a thermal sensor inside the power supply specification:Item Type: PC Power Supply Rated Power: 350W Size: Approx. 140 x 150 x 86mm / 5.5 x 5.9 x 3.4in Fan: Approx. 12cm / 4.7in PFC: None, manual switching Efficiency: > 80 percent Motherboard Interface: 20 and 4 Pin CPU 12V Interface: 4 pin and 4 Pin Fan Interface: 2 SATA Interface: 3 Video Card Interface: 6 and 2 Pin Input Voltage: 115/230v Holding Time: > 10ms Power Cord Length: Approx. 1.1meter / 3.6ft PackageList: 1 x Power Supply 1 x Power Cable