80 PLUS Verification and Testing Report
TYPICAL EFFICIENCY (50% Load):
AVERAGE EFFICIENCY :
80 PLUS COMPLIANT:
YES
Value
Units
100-240 Volts
10
Amps
47-63
Hz
850
Watts
Note: All measurements were taken with input voltage at 115 V nominal and 60 Hz.
Input AC Current Waveform (ITHD = 12.41%, 50% Load)
I
RMS
PF
A
-12V
3.3V
5V*
5VSB
1.82
0.97
21.4%
20%
Light
203
12/0.1
3.4/2.7
5.2/2.7
5.1/0.4
173
85.16%
4.33
0.99
12.4%
50%
Typical
492
12.1/0.2
3.3/6.8
5.1/6.8
5/0.9
428
86.96%
8.86
1.00
7.8%
100%
Full
1014
12.3/0.5
3.2/13.5
5/13.5
4.9/1.9
846
83.40%
Tested by Electric Power Research Institute, Knoxville, TN.
86.96%
85.17%
THERMALTAKE
W0172 Toughpower 850 AP
NA
2008
Manufacturer
Test Date
Input Frequency
931
Type
Ecos ID #
Model Number
Serial Number
Year
ATX12V & EPS12V
Input
Watts
Fraction
of Load
DC Terminal Voltage (V)/ DC Load Current (A)
Output
Watts
12V (cumulative of 12V1, 12V2, etc.)
12.1/12.1
12.1/30.2
11.9/60.3
7/11/2008
Efficiency
%
Rated Output Power
Load
(%)
Rated Specifications
Input Voltage
Input Current
I
THD
(%)
Input and Output Power
Input Watts
Output Watts
0
200
400
600
800
1000
1200
20%
50%
100%
Loading (% of Rated Output Power)
P
o
w
e
r (W
atts)
Efficiency of the Power Supply
30%
40%
50%
60%
70%
80%
90%
0%
25%
50%
75%
100%
125%
Loading (% of Rated Output Power)
E
fficien
cy (%
)
Efficiency %
These tests were conducted as a part of the 80 PLUS program. 80 PLUS is
a computer buy-down program to promote high-efficiency power supplies
(greater than 80% efficiency in the active mode) in desktop computers and
desktop-derived servers.
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)
V
o
lt
age (V
)
-15
-10
-5
0
5
10
15
C
u
rrent (A
)
Voltage
Current
