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80 PLUS Verification and Testing Report 92.47% 91.15% YES TYPICAL EFFICIENCY (50% Load): AVERAGE EFFICIENCY : 80 PLUS COMPLIANT: SO-40 SUPERMICRO PWS-721P-1R N/A 2008 1U 12/19/2008 Input Current and Voltage Waveforms 15 400 300 10 5 100 0 -100 0 0 0.003 0.006 0.009 0.012 0.015 -5 Current (A) 200 Voltage (V) Ecos ID # Manufacturer Model Number Serial Number Year Type Test Date -200 Rated Specifications Input Voltage Input Current Input Frequency Rated Output Power Value Units 100-240 7.0-3.5 50-60 720 Volts Amps Hz Watts -400 0.74 30.60 *10% Low 88 8.28 0.82 1.81 3.53 0.88 0.95 0.97 27.82 26.01 21.54 20% 50% 100% Light Typical Full 165 395 789 8.28 8.35 8.22 PF ITHD (%) Load (%) Fraction Input External of Load Watts Fan (W)** -15 Time (s) Voltage Note: All measurements were taken with input voltage at 230 V nominal and 60 Hz. IRMS A 0.52 -10 -300 Current Input AC Current Waveform (ITHD = 21.54%, 100% Load) DC Terminal Voltage (V)/ DC Load Current (A) 5Vsb 12V 4.93/0.3 12.14/5.92 4.92/0.6 4.9/1.5 4.87/3 12.19/11.79 12.17/29.43 12.13/58.82 Output Watts Efficiency % 73 83.10% 147 88.66% 365 92.47% 728 92.31% 0V 0/0 0/0 0/0 0/0 * 10% load results are for informative purposes only and not included in certification requirements. ** Fan power is not included in the efficiency calculations Input and Output Power 900 Efficiency of the Power Supply 100% 800 90% 700 80% Efficiency (%) Power (Watts) Input Watts 600 500 400 300 200 60% 50% Output Watts 40% 100 0 20% 70% Efficiency % 30% 50% Loading (% of Rated Output Power) 100% 0% 25% 50% 75% 100% Loading (% of Rated Output Power) Tested by Electric Power Research Institute, Knoxville, TN. 125%
