StarTech.com Computer Power supply ( internal ) - ATX - AC 115/230 V - 300 Watt - 9 output connector(s) Replace or upgrade to a 300W Power Supply for a standard ATX computer 300w ATX Power Supply 300 Watt ATX Power Supply 300w ATX PSU ATX Power (20 pin; v 1.x) Male, 1 High performance components and connectors are designed for extra long life and provide maximum system performance Long-life transformer and built-in short-circuit protection See Applications page for detailed list of supported The temperature controlled smart fan cools your entire system while the EMI/RFI power filter reduces noise/ripple Provides a maximum output power of 300 watts High-Flow fan provides efficient cooling for the system and power supply High quality connectors provide minimal resistance and enhanced electric conductivity Premium EMI/RFI power filtration system provides low noise/ripple for super clean and stable power to all system components