The 400W ATX12V Power Supply is ready to power the next generation of computers. It offers dual 12V power rails to deliver stable power to demanding components, and both 20 and 24-pin ATX motherboard power connectors for excellent motherboard compatibility. The temperature controlled smart fan cools your entire system while the EMI/RFI power filter reduces noise/ripple. Guaranteed compatible with Intel Pentium processors, recommended by AMD, and MTBF of 100,000 hrs! Get your Pentium 4 power supply, backed by StarTech 2-year warranty and FREE tech support.