Features: Experience 350W 220V power supply, to efficiently power NAS and POS systems with a small size of 150x83 40mm. 40mm powerful fan, industrial cooling fan, strong heat dissipation ability. Intelligent temperature control circuit design, automatically adjust the fan speed, prolongs service life Over-current, overloads, overheating, shortcircuits and other five protecting systems to ensure stable operation. for Computer enthusiasts, small office users, home users who need to save space. Specifications: Size: about 150x83x40mm/5.91x3.27x1.57in Component: Metal Voltages: 180-264V 2. Power Supply: 350W 220V Suitable for NAS POS Cash Registers Package Includes: 1PC 350W 220V Desktop Chassis Power Supply note: There might be a bit color distortions due to different computer resolution There might be size errors due to different computer resolution