be quietl Straight Power 11 Platinum 550W ATX 2.51 Energy label

80 PLUS Verification and Testing Report

TYPICAL EFF ICIENCY (50% Lo ad): 92.48%
AVER AGE EFFICIENCY : 91.27%

80 PL US COMPLIANT:

YES

Value Units

100-240 Volts

8-4 Amps

50-60 Hz

550 Watts

Note: All measurements were taken with input voltage at 115 V nominal at 60 Hz. Input AC Current Waveform (ITHD = 10.52%, 50% Load)

-12V 3.3V 5V 5Vsb

0.57 0.97 17.13% 10% 63.86 11.91/0.02 3.35/1.07 5.11/1.07 5.06/0.24 55.54

86.97%

1.09 0.98 16.07% 20% 122.32 11.9/0.05 3.34/2.15 5.11/2.14 5.05/0.49 111.31

91.00%

2.63 0.99 10.52% 50% 300.10 11.91/0.12 3.33/5.36 5.1/5.32 5.01/1.22 277.54

92.48%

5.34 1.00 7.12% 100% 611.27 11.91/0.24 3.3/10.75 5.08/10.64 4.95/2.43 552.09

90.32%

Rated Output Power

I

THD

Year

ATX12V,EPS12V

Rated Specifications

Input Voltage

Input

Watts

Load

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

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

Input Current

I

RMS

Test Date

Input Frequency

5847

Type

ID Number

Model Number

1/7/20

2019

Serial Number

Be Quiet

E11-PT-550W

N/A

Manufacturer

Output

Watts

12.05/18.68

12.08/7.46

Efficiency

12.09/3.73

PF

11.99/37.33

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

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

Efficiency (%)

Loading (% of Rated Output Power)

Efficiency of the Power Supply

Efficiency

Input Watts

Output Watts

0

100

200

300

400

500

600

700

20% 50% 100%

Power (Watts)

Loading (% of Rated Output Power)

Input and Output Power

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/

-6.0

-4.0

-2.0

0.0

2.0

4.0

6.0

-200

-100

0

100

200

-0.001 0.003 0.008 0.013

Current (A)

Voltage (V)

Time (s)

Input Current and Voltage Waveforms

Voltage Current