Compare Sparkle Power (FSP300-60ATVS) 300-Watt Power Supply to Corsair Memory HX750W - Power Supply - 750 Watt (CMPSU750HX) 750-Watt

Sparklepower FSP300-60ATVS; 300W ATX Power Supply for Pentium 4 w/ Ball-bearing Fan; Temperature Range: Operating 0° C ~ 50° C; storage & shipping -20° C ~ 65° C; Temperature Coefficient: 0.01% / ° C; Transient Response: Output voltage returns in less than 1 ms max. at a 25% load change; Hold-up Time: 16.6ms minimum at 115V/60Hz and 20.0ms minimum at 230V/50Hz Full load; Dielectric Withstand: Input to frame ground 1800 VAC for 1 second; Humidity: 95% RH; Efficiency: 65%; Power Good Signal: Power on delay time 100 ms to 500 ms, off delay 1 ms minimum. Less

Corsair Professional series power supply units have been designed by Corsair and engineered to the highest quality standards to meet the demands of enthusiasts that expect the very best. The Corsair Professional series HX750W PSU utilizes advanced DC-to-DC circuitry and meets 80 Plus Silver certification standards for up to 90% energy-efficiency, reducing wasted energy and lowering the amount of excess heat generated. Corsair Professional series power supplies are built using industrial grade electrical components, ensuring the stable, clean and reliable voltages that are essential for high-end gaming PCs and workstations.Corsair Professional series power supplies boast an innovative cabling configuration that uses low-profile, flat modular cables that reduce air friction to help maximize airflow through the computer chassis. The modular design also simplifies installation as it allows unprecedented flexibility in using only those cables which are needed. Less