Bolster your computer and experience a thriving performance with the 400-watt Atrix Base AX-400B ATX PSU. Power & potential The PSU is built with an 8 cm fan that cools your components, keeping things stable and efficient. The fan has a low noise operation so you're not distracted when the fan cools your computer. The AX-250B unit connects through the 20+4 Pin ATX motherboard connector and also comes with SATA connectors. The Atrix Base AX-400B ATX PSU is easy to install and affordable, a... Find out more