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%