be quietl Dark Power Pro 11 550W ATX 2.4 Energy label

80 PLUS Verification and Testing Report

Value

Units

-12V

3.3V5V5Vsb

TYPICAL EFFICIENCY (50% Load):
AVERA GE EFFICIENCY :
80 PLUS CO MPLIANT:

Ecos ID #
Manufacturer
Model Number
Serial Number
Year
Type
Test Date

4317
Be Quiet
P11-550W
250S5060000014
2015
ATX12V
4/29/15

Rated Specifications

Input Voltage
Input Current

Input Frequency

Note: All measurements were taken with input voltage at 115 V nominal at 60 Hz. Input AC Current Waveform (ITHD = 4.91%, 50% Load)

Rated Output Power

I

RMS A

A

0.58 0.96 9.07% 10% 64.42 12.38/0.04 3.39/1.09 5.08/1.09 5.06/0.25 55.62

1.08 0.98 5.90% 20% 122.65 12.1/0.08 3.38/2.17 5.08/2.16 5.05/0.49 111.22

2.62 1.00 4.91% 50% 300.20 12.05/0.2 3.38/5.43 5.06/5.39 5.03/1.23 278.09

5.32 1.00 4.66% 100% 610.60 12.28/0.41 3.37/10.84 5.03/10.77 5/2.46 554.13

700

600

500

400

300

200

Power (Watts)

100

0

I

(%)

PF

20% 50% 100%

Load (%)

THD

Input and Output Power

Input Watts

Loading (% of Rated Output Power)

Input

Watts

100-240 Volts

7-3.5 Amps

50-60 Hz

550 Watts

12V (cumulative of 12V1, 12V2, etc.)

Output Watts

92.64%

91.35%
YES

200
150
100

50

0

-50

-100

Voltage (V)

-150

-200

DC Terminal Voltage (V)/ DC Load Current (A)

12.11/3.69

12.1/7.39

12.09/18.52

12.06/36.99

100%

Efficiency (%)

Input Current and Voltage Waveforms

0 0.003 0.006 0.009 0.012 0.015

Time (s)

Voltage Current

Output

Watts

Efficiency of the Power Supply

90%
80%
70%
60%
50%
40%
30%
20%
10%

0%

0% 25% 50% 75% 100% 125%

Loading (% of Rated Output Power)

Efficiency %

5
4
3
2
1
0

-1

-2

Current (A)

-3

-4

-5

Efficiency

%

86.34%

90.68%

92.64%

90.75%

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/