Supermicro PWS-1K21P-1R Leaflet
80 PLUS Verification and Testing Report
TYPICAL EFFICIENCY (50% Load):
TYPICAL EFFICIENCY (50% Load):
TYPICAL EFFICIENCY (50% Load):
TYPICAL EFFICIENCY (50% Load):
AVERAGE EFFICIENCY :
AVERAGE EFFICIENCY :
AVERAGE EFFICIENCY :
AVERAGE EFFICIENCY :
AVERAGE EFFICIENCY :
80 PLUS COMPLIANT:
80 PLUS COMPLIANT:
80 PLUS COMPLIANT:
80 PLUS COMPLIANT:
80 PLUS COMPLIANT:
YES
YES
YES
YES
Value
Units
100-240 Volts
8-5
Amps
50/60
Hz
1,200
Watts
Note: All measurements were taken with input voltage at 230 V nominal and 60 Hz.
Input AC Current Waveform (ITHD = 5.3%, 100% Load)
I
RMS
PF
A
5Vsb
0V
0.78
0.80
26.54
*10%
Low
143
19.00
5.08/0.39
0/0
121
84.71%
1.27
0.92
15.65
20%
Light
270
18.88
5.07/0.79
0/0
242
89.67%
2.90
0.98
8.56
50%
Typical
654
18.88
5.04/1.98
0/0
604
92.40%
5.78
0.99
5.30
100%
Full
1320
18.88
4.98/3.94
0/0
1204
91.22%
Tested by Electric Power Research Institute, Knoxville, TN.
92.40%
92.40%
92.40%
92.40%
91.10%
91.10%
91.10%
91.10%
91.10%
SUPER MICRO COMPUTER INC.
Ecos ID #
SO-62
Serial Number
Year
Year
Manufacturer
N/A
2009
2009
Model Number
PWS-1K21P-1R
Output
Watts
12.09/9.86
12.09/19.69
12.07/49.2
12.04/98.39
Rated Output Power
Load
(%)
1U
Type
I
THD
(%)
Input
Watts
Watts
Fraction
of Load
of Load
* 10% load results are for informative purposes only and not included in certification requirements.
** Fan power is not included in the efficiency calculations
** Fan power is not included in the efficiency calculations
Efficiency %
Test Date
Input Frequency
Rated Specifications
Input Voltage
Input Current
Input Current
External
Fan (W)**
12V
DC Terminal Voltage (V)/ DC Load Current (A)
4/17/2009
Input and Output Power
Input Watts
Output Watts
0
200
400
600
800
1000
1200
1400
20%
50%
100%
Loading (% of Rated Output Power)
P
o
w
e
r
(W
a
tt
s
)
Efficiency of the Power Supply
30%
40%
50%
60%
70%
80%
90%
100%
0%
25%
50%
75%
100%
125%
Loading (% of Rated Output Power)
E
ff
ic
ie
n
c
y
(
%
)
Efficiency %
Input Current and Voltage Waveforms
-400
-300
-200
-100
0
100
200
300
400
0
0.003
0.006
0.009
0.012
0.015
Time (s)
V
o
lt
a
g
e
(
V
)
-10
-8
-6
-4
-2
0
2
4
6
8
10
C
u
rr
e
n
t
(A
)
Voltage
Current