MGE UPS Systems 500W Ps Magnum with LCD Sli By Xg Modular Ps Sli Ready P4/AMD Rdy XG Magnum PSMG-500-B2 500W 20+4-pin ATX Power Supply General Features: Aluminum chassis Advanced airflow Super silent 80 mm fan Rear LCD display shows working temperature, wattage output, 12V output Internal LED voltage activity lights 500-watt max output ATX 12V 2.01 compliant PCI Express ready Magnetically shielded UV sleeved cables included