CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Be quiet! Straight Power 11 550W
Serial Number281S7420001905
Lab ID281
  • Report: 20PS281A
  • Receipt Date: Jan 18, 2018
  • Test Date: Jan 23, 2018
  • Report Date: Jan 25, 2018
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

Brandbe quiet!
Manufacturer (OEM)FSP
SeriesStraight Power 11
Model NumberE11-550
Serial Number281S7420001905
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)8-4
Rated Frequency (Hz)50-60
Rated Power (W)550
TypeATX12V
Cooling135mm Fluid Dynamic Bearing Fan
(SIW3-13525-HF-26)
Semi-Passive Operation✗
Cable DesignFully Modular

Power Specifications

Rail 3.3V 5V 12V1 12V2 12V3 12V4 5VSB -12V
Max. Power Amps 24 24 18 18 20 20 3 0.3
45.8
Watts 130 549.6 15 3.6
Total Max. Power (W) 550

Test Equipment

Electronic Loads Chroma 6314A x2
63123A x6
63102A
63101A		 Chroma 63601-5 x2
Chroma 63600-2
63640-80-80 x10
63610-80-20
AC Sources Chroma 6530, Chroma 61604
Power Analyzers N4L PPA1530, N4L PPA5530
Oscilloscopes Picoscope 4444 & 3424, Keysight DSOX3024A, Rigol DS2072A
Voltmeter Keithley 2015 THD 6.5 Digit
Sound Analyzer Bruel & Kjaer 2250-L G4
Microphone Bruel & Kjaer Type 4955-A, Bruel & Kjaer Type 4189
Data Loggers Picoscope TC-08 x2, Labjack U3-HV x2
Testing Methodology Cybenetics PSU Test Protocol

Cables and Connectors

Modular Cables
Description Cable Count Connector Count (Total) Gauge In Cable Capacitors
ATX connector 20+4 pin (600mm) 1 1 18-22AWG No
4+4 pin EPS12V (700mm) 1 1 16AWG No
6+2 pin PCIe (600mm) 2 2 18AWG No
SATA (550mm+150mm+150mm) 1 3 18AWG No
SATA (550mm+150mm+150mm+150mm) 1 4 18AWG No
SATA (550mm+150mm+150mm) / 4 pin Molex (+150mm) 1 3 / 1 18AWG No
SATA (550mm+150mm) / 4 pin Molex (+150mm+150mm) 1 2 / 2 18AWG No
FDD Adapter (+150mm) 1 1 22AWG No
AC Power Cord (1380mm) - C13 coupler 1 1 18AWG -

Test Results

Temperature & Compliance Info

Temperature Range (°C /°F)30-32 / 86-89.6
ErP Lot 3/6 Ready✓
(EU) No 617/2013 Compliance✓

Performance Summary

Efficiency RatingGOLD
Noise RatingA++
Average Efficiency (>1450 load combinations)88.981%
Average Noise Output (>1450 Load Combinations)13.54dBA
Average PF (>1450 Load Combinations)0.993
Efficiency With 10W (≤500W) or 2% (>500W) Load0.000%
Standby Power Consumption0.0344W
12V Ripple (Full Load)22.22mV
5V Ripple (Full Load)8.14mV
3.3V Ripple (Full Load)14.87mV
5VSB Ripple (Full Load)18.98mV
12V Load Regulation0.67%
5V Load Regulation1.99%
3.3V Load Regulation2.99%
5VSB Load Regulation3.42%
Inrush Current29.212A
Efficiency RatingPLATINUM
Noise RatingA++
Average Efficiency (>1450 load combinations)91.159%
Average Noise Output (>1450 Load Combinations)13.27dBA
Average PF (>1450 Load Combinations)0.967
Efficiency With 10W (≤500W) or 2% (>500W) Load0.000%
Standby Power Consumption0.0888W
12V Ripple (Full Load)22.67mV
5V Ripple (Full Load)7.19mV
3.3V Ripple (Full Load)13.34mV
5VSB Ripple (Full Load)18.71mV
12V Load Regulation0.68%
5V Load Regulation1.95%
3.3V Load Regulation2.96%
5VSB Load Regulation3.44%
Inrush Current44.624A
12V Transient Response (150%)0.00V
5V Transient Response (150%)V
3.3V Transient Response (150%)V
5VSB Transient Response (150%)V
Hold-Up Time & Power Ok Signal16.20ms
AC Loss to PWR_OK Hold Up Time14.60ms
PWR_OK Inactive to DC Loss Delay1.60ms
PSU Timings: T1 (20% / 100%)0.0ms0.0ms
PSU Timings: T3 (20% / 100%)0.0ms0.0ms
OPP (0.00°C / 0.00°C)0.00%0.00%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)16.2
AC Loss to PWR_OK Hold Up Time (ms)14.6
PWR_OK Inactive to DC Loss Delay (ms)1.6

Vampire Power

Tables

Graphs

INFO

This graph is generated by the PPA Standby Power Analysis software which takes full control of the power analyzer during the whole procedure. This application features all of the EN50564 & IEC62301 test limits for standby power software testing.

INFO

This graph is generated by the PPA Standby Power Analysis software which takes full control of the power analyzer during the whole procedure. This application features all of the EN50564 & IEC62301 test limits for standby power software testing.

Efficiency Graph

INFO

This graph depicts the PSU`s efficiency throughout its entire operational range. For the generation of the efficiency and noise graphs we set our loaders to auto mode through our custom-made software before trying thousands of possible load combinations.

INFO

This graph depicts the PSU`s efficiency throughout its entire operational range. For the generation of the efficiency and noise graphs we set our loaders to auto mode through our custom-made software before trying thousands of possible load combinations.

Noise Graph

INFO

The PSU`s noise in its entire operational range and under 30-32 °C ambient is depicted in this graph. The X axis represents the load on the +12V rail(s) while the Y axis is the load on the minor rails.

INFO

The PSU`s noise in its entire operational range and under 30-32 °C ambient is depicted in this graph. The X axis represents the load on the +12V rail(s) while the Y axis is the load on the minor rails.

Indicative Performance

Efficiency under high ambient temperature

INFO

The PSU`s efficiency under high ambient temperatures with 115V and 230V input. For this graph the results of the 10-110% load regulation table are used.

5VSB Efficiency

INFO

This graph depicts the efficiency levels of the 5VSB rail with 115V and 230V input.

5VSB Efficiency (ERP LOT 3/6 & CEC)

Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.042A 0.211 75.357% 0.040
5.069V 0.280 115.04V
2 0.087A 0.443 81.434% 0.075
5.068V 0.544 115.05V
3 0.542A 2.736 85.048% 0.295
5.045V 3.217 115.04V
4 1.002A 5.039 83.858% 0.378
5.028V 6.009 115.04V
5 1.502A 7.524 81.579% 0.423
5.010V 9.223 115.04V
6 3.002A 14.836 79.918% 0.480
4.942V 18.564 115.04V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.042A 0.211 61.877% 0.015
5.070V 0.341 230.17V
2 0.087A 0.443 72.504% 0.026
5.069V 0.611 230.17V
3 0.542A 2.736 82.137% 0.129
5.047V 3.331 230.16V
4 1.002A 5.033 82.807% 0.206
5.023V 6.078 230.17V
5 1.502A 7.529 81.624% 0.266
5.013V 9.224 230.17V
6 3.002A 14.847 80.485% 0.355
4.946V 18.447 230.17V

Supplementary Tests (For Reference)

Typical Load Tests

Test # 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
1 2.766A 1.994A 1.956A 0.996A 54.835 85.847% 240 6.0 37.91°C 0.969
12.013V 5.023V 3.369V 5.021V 63.875 45.92°C 115.06V
2 6.576A 2.990A 2.945A 1.196A 109.806 89.636% 240 6.0 38.12°C 0.990
12.004V 5.013V 3.359V 5.005V 122.502 46.34°C 115.03V
3 10.741A 3.497A 3.463A 1.401A 164.945 90.510% 240 6.0 39.03°C 0.993
11.996V 5.004V 3.349V 4.996V 182.239 47.56°C 115.02V
4 14.900A 4.005A 3.950A 1.605A 219.806 90.786% 350 7.7 39.96°C 0.995
11.988V 4.993V 3.339V 4.983V 242.114 48.90°C 115.02V
5 18.727A 5.014A 4.954A 1.810A 274.789 90.630% 490 11.6 40.19°C 0.996
11.979V 4.981V 3.329V 4.968V 303.199 49.42°C 115.03V
6 22.556A 6.036A 5.967A 2.016A 329.718 90.037% 632 13.3 40.91°C 0.997
11.968V 4.969V 3.316V 4.954V 366.203 50.41°C 115.03V
7 26.389A 7.054A 6.985A 2.226A 384.671 89.424% 800 18.1 41.53°C 0.997
11.960V 4.959V 3.305V 4.938V 430.164 51.33°C 115.02V
8 30.235A 8.089A 8.014A 2.435A 439.679 88.720% 968 23.3 42.44°C 0.997
11.949V 4.948V 3.293V 4.922V 495.582 52.99°C 115.06V
9 34.512A 8.608A 8.558A 2.440A 494.746 87.982% 1133 27.7 43.19°C 0.997
11.942V 4.938V 3.284V 4.915V 562.328 54.15°C 115.05V
10 38.531A 9.135A 9.074A 3.071A 549.579 87.019% 1295 32.3 43.72°C 0.997
11.935V 4.928V 3.273V 4.883V 631.562 55.56°C 115.04V
11 43.170A 9.152A 9.094A 3.074A 604.508 86.120% 1400 33.5 44.20°C 0.997
11.925V 4.919V 3.265V 4.878V 701.935 56.42°C 115.04V
CL1 0.103A 16.028A 16.005A 0.005A 133.976 84.665% 1012 25.4 42.18°C 0.992
11.989V 4.969V 3.316V 5.040V 158.242 51.46°C 115.03V
CL2 45.802A 1.001A 1.004A 1.002A 560.138 87.744% 1295 32.3 43.21°C 0.997
11.940V 4.953V 3.300V 4.981V 638.379 54.15°C 115.04V

The results above are not used in the certification process

Test # 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
1 2.766A 1.994A 1.957A 0.995A 54.831 86.889% 240 6.0 38.95°C 0.819
12.011V 5.023V 3.370V 5.023V 63.105 46.39°C 230.25V
2 6.576A 2.991A 2.945A 1.196A 109.809 90.946% 240 6.0 39.22°C 0.923
12.003V 5.013V 3.360V 5.007V 120.741 46.87°C 230.26V
3 10.739A 3.499A 3.460A 1.401A 164.902 92.073% 290 6.5 39.60°C 0.956
11.994V 5.004V 3.350V 4.995V 179.100 47.57°C 230.26V
4 14.903A 4.006A 3.948A 1.603A 219.785 92.382% 394 8.9 40.09°C 0.972
11.985V 4.993V 3.339V 4.984V 237.909 48.40°C 230.26V
5 18.723A 5.014A 4.952A 1.810A 274.700 92.378% 540 10.4 40.42°C 0.983
11.977V 4.981V 3.329V 4.969V 297.365 49.12°C 230.26V
6 22.556A 6.038A 5.967A 2.016A 329.711 92.155% 665 14.1 41.09°C 0.987
11.967V 4.970V 3.316V 4.954V 357.777 50.12°C 230.26V
7 26.393A 7.056A 6.987A 2.225A 384.681 91.845% 850 17.4 41.40°C 0.990
11.958V 4.959V 3.305V 4.939V 418.836 50.69°C 230.26V
8 30.227A 8.089A 8.014A 2.435A 439.612 91.424% 1012 25.4 41.72°C 0.992
11.950V 4.948V 3.293V 4.922V 480.849 51.48°C 230.26V
9 34.507A 8.609A 8.556A 2.440A 494.683 91.026% 1194 29.5 42.72°C 0.992
11.942V 4.938V 3.284V 4.915V 543.453 52.84°C 230.26V
10 38.534A 9.136A 9.075A 3.070A 549.542 90.452% 1349 32.3 43.56°C 0.993
11.933V 4.928V 3.273V 4.883V 607.554 54.28°C 230.25V
11 43.158A 9.153A 9.095A 3.074A 604.413 89.968% 1400 33.5 44.75°C 0.993
11.926V 4.919V 3.265V 4.877V 671.809 55.83°C 230.26V
CL1 0.100A 16.028A 16.004A 0.004A 133.931 86.131% 1070 25.5 42.48°C 0.949
11.988V 4.969V 3.316V 5.040V 155.496 51.62°C 230.32V
CL2 45.785A 1.003A 1.003A 1.002A 560.033 91.218% 1361 32.4 44.09°C 0.993
11.942V 4.953V 3.300V 4.980V 613.947 54.35°C 230.26V

The results above are not used in the certification process

Light Load Tests

Test # 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) PF/AC Volts
1 1.216A 0.491A 0.471A 0.196A 19.668 75.571% 240 6.0 0.892
12.019V 5.032V 3.378V 5.056V 26.026 115.08V
2 2.456A 0.990A 0.978A 0.396A 39.784 84.097% 240 6.0 0.953
12.015V 5.028V 3.374V 5.046V 47.307 115.07V
3 3.699A 1.485A 1.481A 0.596A 59.882 87.128% 240 6.0 0.971
12.012V 5.023V 3.369V 5.035V 68.729 115.07V
4 4.934A 1.994A 1.961A 0.796A 79.859 88.691% 240 6.0 0.981
12.009V 5.019V 3.365V 5.024V 90.042 115.05V

The results above are not used in the certification process

Test # 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) PF/AC Volts
1 1.212A 0.493A 0.470A 0.196A 19.627 76.100% 240 6.0 0.551
12.018V 5.033V 3.379V 5.058V 25.791 230.23V
2 2.456A 0.989A 0.977A 0.396A 39.775 84.919% 240 6.0 0.742
12.014V 5.029V 3.374V 5.047V 46.839 265.12V
3 3.698A 1.489A 1.481A 0.596A 59.890 88.186% 240 6.0 0.835
12.011V 5.024V 3.370V 5.036V 67.913 230.24V
4 4.932A 1.994A 1.960A 0.796A 79.831 89.874% 240 6.0 0.884
12.008V 5.020V 3.367V 5.023V 88.825 230.25V

The results above are not used in the certification process

Ripple Measurements

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 21.5 mV 5.1 mV 9.4 mV 9.3 mV Pass
20% Load 16.6 mV 4.3 mV 9.1 mV 10.5 mV Pass
30% Load 16.2 mV 4.4 mV 9.3 mV 12.4 mV Pass
40% Load 17.8 mV 5.2 mV 10.8 mV 12.8 mV Pass
50% Load 16.7 mV 5.3 mV 11.5 mV 13.8 mV Pass
60% Load 17.9 mV 5.6 mV 11.2 mV 16.0 mV Pass
70% Load 18.9 mV 6.2 mV 11.7 mV 16.2 mV Pass
80% Load 19.9 mV 6.3 mV 13.3 mV 15.7 mV Pass
90% Load 21.0 mV 6.6 mV 13.7 mV 16.6 mV Pass
100% Load 22.2 mV 8.1 mV 14.9 mV 19.0 mV Pass
110% Load 23.9 mV 8.1 mV 14.7 mV 18.7 mV Pass
Crossload 1 16.9 mV 6.4 mV 10.7 mV 7.8 mV Pass
Crossload 2 22.2 mV 6.8 mV 14.1 mV 13.5 mV Pass

The results above are not used in the certification process

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 21.6 mV 5.3 mV 9.3 mV 8.9 mV Pass
20% Load 14.4 mV 5.1 mV 7.9 mV 10.3 mV Pass
30% Load 14.6 mV 4.2 mV 8.8 mV 12.2 mV Pass
40% Load 16.3 mV 4.7 mV 9.9 mV 12.8 mV Pass
50% Load 16.2 mV 5.7 mV 10.4 mV 13.1 mV Pass
60% Load 17.1 mV 5.7 mV 10.1 mV 16.1 mV Pass
70% Load 18.0 mV 5.9 mV 11.0 mV 15.2 mV Pass
80% Load 19.4 mV 7.0 mV 13.3 mV 16.0 mV Pass
90% Load 20.4 mV 7.1 mV 12.2 mV 16.4 mV Pass
100% Load 22.7 mV 7.2 mV 13.3 mV 18.7 mV Pass
110% Load 24.1 mV 7.9 mV 12.8 mV 19.3 mV Pass
Crossload 1 13.8 mV 6.5 mV 9.2 mV 7.7 mV Pass
Crossload 2 22.2 mV 6.5 mV 11.5 mV 13.2 mV Pass

The results above are not used in the certification process

Be quiet! Straight Power 11 550W

Top side
Power specifications label
All data and graphs included in this test report can be used by any individual on the following conditions:
› It should be mentioned that the test results are provided by Cybenetics
› The link to the original test results document should be provided in any case
Cybenetics offers the ETA and Lambda voluntary certification programs, through which the efficient and silent power supplies are promoted
CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
www.cybenetics.com - info@cybenetics.com