80 PLUS Verification and Testing Report
TYPICAL EFFICIENCY (50% Load):
AVERAGE EFFICIENCY :
80 PLUS COMPLIANT: YES
Value U
nits
100-240 Volts
8/4 Amps
50-60 Hz
300 Watts
Note: All measurements were taken with input voltage at 115 V nominal and 60 Hz. Input AC Current Waveform (ITHD = 7.62%, 50% Load)
I
RMS
PF
A
-12V 3.3V 5V* 5VSB
0.66 0.96 15.6% 20%
Light
73 11.7/0 3.4/2.2 5.2/2.6 5/0.3 61
83.95%
1.56 0.99 7.6% 50%
Typical
177 11.9/0 3.4/5.6 5.2/6.6 5/0.7 153
86.31%
3.20 1.00 4.4% 100%
Full
367 12/0.1 3.4/11.1 5.1/13.2 5/1.4 304
82.79%
.
1/
2/2009
Efficiency
%
Rated Output Power
Load
(%)
R
ated Specifications
Input Voltage
Input Current
I
THD
(%) Input
Watts
Fraction
of Load
DC Terminal Voltage (V)/ DC Load Current (A)
Output
Watts
12V (cumulative of 12V1, 12V2, etc.)
12.2/3.2
12.1/7.9
12.1/15.7
Test Date
Input Frequency
1193
Type
Ecos ID #
Model Number
Serial Number
Year
ATX12V
N/A
2008
Manufacturer
86.31%
8
4.35%
SUPERMICRO
PWS-303-PQ
Input and Output Power
Input Watts
Output Watts
0
50
100
150
200
250
300
350
400
20% 50% 100%
Loading (% of Rated Output Power)
Power (Watts)
Efficiency of the Power Supply
30%
40%
50%
60%
70%
80%
90%
0% 25% 50% 75% 100% 125%
Loading (% of Rated Output Power)
Efficiency (%)
Efficiency %
Input Current and Voltage Waveforms
-200
-150
-100
-50
0
50
100
150
200
0 0.003 0.006 0.009 0.012 0.015
Time (s)
Voltage (V)
-5
-4
-3
-2
-1
0
1
2
3
4
5
Current (A)
Voltage Current
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/
/
