Replace that older or non-functioning power supply with this superior ATX power supply from StarTech.com. Featuring an automatic temperature controlled fan that rotates at 2000 rpm for temperatures above 86 degrees Fahrenheit (30 degree Celsius), and idles at 500 rpm for temperatures below 64 degrees Fahrenheit (18 degrees Celsius). The Dual Ball Bearing fan provides unmatched reliability and long life. A superior EMI/RFI power filtration system provides super clean and stable power to your computer components for ultimate system stability and fewer crashes.