HIGH POWER&reg; HPC-300-102DF 300-Watt Dual-Fan PC for ATX/Gateway Desktop Computer Replacement Power Supply with Round Fan-Guard True-Wattage 300W Power Output with Dual High quality fans design. Great upgrade choice to replace old 250-Watt and standard single fan 300-Watt ATX PSU UL Certified for Safety. The temperature controlled smart fan cools your entire system. EMI/RFI power filter reduces electrical noise and output ripple. I/O Switch for manual shut-down. Compliant with the industry standard ATX form-factor specification, this power supply (PSU) can be used as a replacement in a variety of popular name brand desktop systems. Built-in Native 6-pin Aux Power Connector, 2x Floppy drive power connectors, 2x2 P4 12V power connector, 4x Molex peripheral power connector, 1x 20-pin main connector. Included: 20-to-24pin adapter cable, Molex-to-Dual (2) SATA power adapter cable Replacement power supply for select Gateway Part Numbers