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80 PLUS Verification and Testing Report 94.27% 93.25% YES SO-104.1 SUPER MICRO COMPUTER INC. PWS-920P-SQ N/A 2009 1U 11/14/2009 Input Current and Voltage Waveforms 400 8 300 6 200 4 100 2 Voltage (V) Ecos ID # Manufacturer Model Number Serial Number Year Type Test Date 0 0 -100 0 Rated Specifications Value Units Input Voltage Input Current Input Frequency Rated Output Power 100-240 10.7-4.2 50-60 920 Volts Amps Hz Watts 0.92 2.18 4.35 ITHD (%) Load (%) 0.88 25.34 *10% Low 106 1.21 0.94 0.97 0.99 22.67 20.45 15.98 20% 50% 100% Light Typical Full 200 488 987 1.21 1.45 5.93 PF Fraction Input of Load Watts External Fan (W)** 0.006 0.009 0.012 0.015 -2 -200 -4 -300 -6 -400 -8 Time (s) Voltage Note: All measurements were taken with input voltage at 230 V nominal and 60 Hz. IRMS A 0.52 0.003 Current Input AC Current Waveform (ITHD = 20.45%, 50% Load) DC Terminal Voltage (V)/ DC Load Current (A) 12V 5Vsb 5.17/0.4 12.05/7.53 12.03/15.03 11.99/37.53 11.96/75.03 Output Watts 93 Efficiency % 87.68% 185 460 917 92.51% 94.27% 92.98% 5.16/0.8 5.13/2 4.01/5.07 * 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 100% 1000 90% Efficiency of the Power Supply 80% Input Watts Efficiency (%) Power (Watts) 1200 800 600 400 70% 60% 50% Output Watts 200 40% Efficiency % 0 30% 20% 50% Loading (% of Rated Output Power) 100% Current (A) TYPICAL EFFICIENCY (50% Load): AVERAGE EFFICIENCY : 80 PLUS COMPLIANT: 0% 25% 50% 75% 100% Loading (% of Rated Output Power) These tests were conducted by a third party independent testing firm on behalf of the 80 PLUS® Program. 80 PLUS is a certification program to promote highly-efficient power supplies (greater than 80% efficiency in the active mode) in technology applications. http://www.80plus.org/ 125%
