CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Chieftronic SteelPower 750W
Serial NumberG210400039115
Lab IDCT75001922
  • Report: 21PS1922A
  • Receipt Date: Oct 1, 2021
  • Test Date: Oct 21, 2021
  • Report Date: Oct 22, 2021
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandChieftronic
Manufacturer (OEM)CWT
SeriesSteelPower
Model NumberBDK-750FC
Serial NumberG210400039115
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)10
Rated Frequency (Hz)47-63
Rated Power (W)750
TypeATX12V
Cooling120mm Double Ball Bearing Fan
(HA1225H12B-Z)
Semi-Passive Operation✗
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202062.52.50.3
Watts12075012.53.6
Total Max. Power (W)750

Test Equipment

Electronic Loads Chroma 63601-5 x4
Chroma 63600-2 x2
63640-80-80 x20
63610-80-20 x2
AC Sources Chroma 6530, Keysight AC6804B
Power Analyzers N4L PPA1530 x2
Sound Analyzer Bruel & Kjaer 2270 G4
Microphone Bruel & Kjaer Type 4955-A
Data Loggers Picoscope TC-08 x2, Labjack U3-HV x2
Tachometer UNI-T UT372 x2
Digital Multimeter Keysight U1273AX, Fluke 289, Keithley 2015 - THD
UPS CyberPower OLS3000E 3kVA x2
Transformer 3kVA 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 (650mm) 1 1 18AWG No
8 pin EPS12V (600mm) / 4+4 pin EPS12V (+150mm) 1 1 / 1 18AWG No
6+2 pin PCIe (500mm+150mm) 2 4 18AWG No
SATA (500mm+150mm+150mm) 2 6 18AWG No
4-pin Molex (500mm+150mm+150mm) / FDD (+150mm) 1 3 / 1 18-20AWG No
AC Power Cord (1400mm) - 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

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)10.7
AC Loss to PWR_OK Hold Up Time (ms)9.8
PWR_OK Inactive to DC Loss Delay (ms)0.9

Vampire Power

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 0.045A 0.229W 71.54% 0.032
5.094V 0.32W 115.15V
2 0.09A 0.458W 76.315% 0.06
5.093V 0.6W 115.14V
3 0.55A 2.791W 80.287% 0.254
5.073V 3.476W 115.15V
4 1A 5.055W 78.618% 0.34
5.054V 6.43W 115.15V
5 1.5A 7.555W 78.448% 0.385
5.036V 9.631W 115.16V
6 2.501A 12.487W 76.081% 0.433
4.994V 16.413W 115.16V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.229W 61.716% 0.011
5.094V 0.371W 230.39V
2 0.09A 0.458W 69.278% 0.02
5.092V 0.661W 230.39V
3 0.55A 2.791W 78.672% 0.102
5.073V 3.548W 230.39V
4 1A 5.055W 79.175% 0.168
5.054V 6.385W 230.38V
5 1.5A 7.556W 79.334% 0.222
5.036V 9.524W 230.38V
6 2.501A 12.489W 77.76% 0.295
4.995V 16.061W 230.37V

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
10% 4.438A 1.987A 1.966A 0.993A 75.003 82.951% 718 21.2 39.65°C 0.97
12.033V 5.035V 3.358V 5.037V 90.418 44.83°C 115.19V
20% 9.902A 2.983A 2.951A 1.197A 149.963 87.138% 724 19.2 40.69°C 0.981
12.023V 5.03V 3.355V 5.014V 172.098 46.35°C 115.19V
30% 15.719A 3.483A 3.445A 1.403A 224.971 88.623% 727 18.8 41.86°C 0.986
12.018V 5.026V 3.353V 4.991V 253.853 48.27°C 115.19V
40% 21.544A 3.984A 3.94A 1.611A 300.062 88.561% 730 18.4 41.94°C 0.986
12.015V 5.022V 3.351V 4.968V 338.818 48.85°C 115.18V
50% 27.008A 4.984A 4.929A 1.821A 374.633 87.974% 732 19.0 42.15°C 0.986
12.001V 5.017V 3.348V 4.945V 425.847 49.66°C 115.18V
60% 32.515A 5.985A 5.918A 2A 449.357 87.131% 736 19.4 42.74°C 0.986
11.985V 5.014V 3.346V 4.923V 515.729 50.87°C 115.18V
70% 38.010A 6.991A 6.91A 2.248A 524.524 85.824% 1086 27.6 43.21°C 0.989
11.981V 5.008V 3.343V 4.894V 611.165 51.88°C 115.18V
80% 43.607A 7.996A 7.902A 2.36A 599.738 84.734% 1525 37.3 43.82°C 0.991
11.967V 5.004V 3.341V 4.873V 707.786 53.01°C 115.18V
90% 49.554A 8.5A 8.386A 2.473A 674.786 83.695% 2115 47.4 44.06°C 0.992
11.952V 5.001V 3.339V 4.854V 806.245 53.81°C 115.18V
100% 55.509A 9.007A 8.902A 2.587A 749.924 82.343% 2360 49.6 45.44°C 0.993
11.939V 4.997V 3.336V 4.833V 910.728 55.62°C 115.18V
110% 61.135A 10.018A 9.989A 2.596A 824.926 80.886% 2361 49.6 46.66°C 0.994
11.926V 4.991V 3.333V 4.816V 1019.884 57.49°C 115.19V
CL1 0.116A 14.437A 14.271A 0A 121.306 79.812% 741 19.1 42.04°C 0.983
12.047V 5.001V 3.342V 5.034V 151.989 49.14°C 115.2V
CL2 0.116A 20.027A 0A 0A 101.397 78.43% 743 18.4 43.46°C 0.976
12.061V 4.993V 3.348V 5.059V 129.284 51.91°C 115.2V
CL3 0.116A 0A 19.712A 0A 67.393 72.809% 721 21.2 44.45°C 0.973
12.053V 5.021V 3.348V 5.048V 92.561 53.62°C 115.2V
CL4 62.819A 0.001A 0A 0.004A 749.793 83.277% 2362 49.6 45.18°C 0.993
11.935V 5.015V 3.346V 4.967V 900.376 55.41°C 115.18V

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
10% 4.438A 1.986A 1.966A 0.993A 75 83.799% 717 22.0 40.72°C 0.841
12.033V 5.035V 3.358V 5.037V 89.5 46.61°C 230.39V
20% 9.903A 2.982A 2.951A 1.197A 149.951 88.677% 720 21.2 41.12°C 0.921
12.022V 5.03V 3.355V 5.014V 169.097 47.51°C 230.39V
30% 15.723A 3.482A 3.445A 1.403A 224.957 90.261% 726 19.2 41.44°C 0.948
12.014V 5.026V 3.353V 4.991V 249.23 48.22°C 230.4V
40% 21.548A 3.983A 3.94A 1.611A 300.047 90.643% 728 18.4 41.78°C 0.96
12.012V 5.022V 3.351V 4.968V 331.019 49.04°C 230.4V
50% 27.014A 4.984A 4.929A 1.821A 374.617 90.296% 732 19.0 42.11°C 0.967
11.998V 5.017V 3.348V 4.944V 414.876 49.84°C 230.4V
60% 32.507A 5.987A 5.919A 2.001A 449.382 89.693% 737 19.5 42.88°C 0.971
11.989V 5.012V 3.345V 4.92V 501.021 51.34°C 230.41V
70% 38.019A 6.991A 6.911A 2.248A 524.481 88.909% 1112 30.2 43.35°C 0.974
11.977V 5.008V 3.343V 4.894V 589.909 52.42°C 230.41V
80% 43.620A 7.996A 7.902A 2.36A 599.685 88.135% 1487 37.0 43.92°C 0.976
11.962V 5.004V 3.341V 4.873V 680.421 53.55°C 230.41V
90% 49.572A 8.499A 8.386A 2.473A 674.729 87.397% 2012 45.4 44.61°C 0.976
11.947V 5.001V 3.339V 4.854V 772.03 54.72°C 230.42V
100% 55.527A 9.004A 8.9A 2.585A 749.728 86.868% 2277 49.7 45.51°C 0.976
11.932V 4.998V 3.337V 4.836V 863.076 56.05°C 230.41V
110% 61.156A 10.016A 9.989A 2.596A 824.863 85.655% 2358 49.5 46.73°C 0.978
11.921V 4.992V 3.333V 4.816V 963.016 57.62°C 230.42V
CL1 0.116A 14.44A 14.271A 0A 121.301 81.137% 739 19.5 42.1°C 0.913
12.048V 5V 3.342V 5.035V 149.503 49.85°C 230.43V
CL2 0.116A 19.996A 0A 0A 101.39 79.713% 738 19.5 43.24°C 0.896
12.043V 5.001V 3.349V 5.059V 127.195 51.67°C 230.42V
CL3 0.116A 0A 19.707A 0A 67.387 73.411% 720 21.2 44.84°C 0.847
12.048V 5.024V 3.349V 5.049V 91.794 54.2°C 230.42V
CL4 62.819A 0.001A 0A 0.004A 749.727 87.447% 2346 49.7 45.93°C 0.978
11.934V 5.015V 3.346V 4.967V 857.357 56.46°C 230.42V

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]) Temps (In/Out) PF/AC Volts
20W 1.234A 0.496A 0.491A 0.197A 20.002 65.364% 714 22.5 36.87°C 0.891
12.040V 5.041V 3.361V 5.082V 30.602 40.14°C 115.19V
40W 2.716A 0.694A 0.687A 0.296A 40 72.345% 715 22.5 37.34°C 0.949
12.038V 5.04V 3.36V 5.074V 55.291 41.12°C 115.19V
60W 4.198A 0.893A 0.884A 0.395A 59.999 81.022% 715 22.5 38.04°C 0.96
12.034V 5.038V 3.359V 5.066V 74.053 42.32°C 115.19V
80W 5.680A 1.092A 1.081A 0.494A 79.962 84.104% 715 22.5 38.58°C 0.974
12.031V 5.037V 3.359V 5.058V 95.076 43.21°C 115.19V

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
20W 1.233A 0.496A 0.491A 0.197A 19.999 65.256% 712 22.4 36.83°C 0.563
12.042V 5.041V 3.361V 5.082V 30.647 40.06°C 230.4V
40W 2.716A 0.694A 0.687A 0.296A 39.998 72.806% 708 21.9 37.73°C 0.735
12.036V 5.04V 3.36V 5.075V 54.938 41.61°C 230.4V
60W 4.200A 0.893A 0.884A 0.395A 59.996 81.896% 709 21.9 38.46°C 0.801
12.029V 5.039V 3.359V 5.067V 73.258 42.71°C 230.4V
80W 5.680A 1.092A 1.081A 0.494A 79.954 85.036% 712 22.4 38.97°C 0.85
12.028V 5.038V 3.359V 5.058V 94.023 43.86°C 230.39V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load6.74mV10.53mV4.50mV11.22mVPass
20% Load13.69mV10.64mV5.68mV16.32mVPass
30% Load39.45mV11.61mV6.86mV12.08mVPass
40% Load34.65mV28.64mV10.14mV17.13mVPass
50% Load29.33mV14.37mV7.98mV17.23mVPass
60% Load24.79mV17.85mV11.92mV20.60mVPass
70% Load22.75mV18.26mV13.92mV24.11mVPass
80% Load24.36mV20.51mV18.32mV25.90mVPass
90% Load26.40mV26.49mV21.19mV28.75mVPass
100% Load45.68mV40.49mV31.39mV34.10mVPass
110% Load46.69mV32.96mV25.33mV35.23mVPass
Crossload111.18mV9.77mV14.46mV8.00mVPass
Crossload223.04mV11.10mV6.60mV7.50mVPass
Crossload312.26mV9.41mV20.98mV7.14mVPass
Crossload444.32mV30.50mV19.77mV25.29mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load6.89mV9.97mV4.45mV10.91mVPass
20% Load14.87mV10.12mV5.63mV15.55mVPass
30% Load41.44mV12.07mV6.81mV12.08mVPass
40% Load35.00mV27.20mV10.59mV17.38mVPass
50% Load31.89mV14.22mV8.14mV18.35mVPass
60% Load26.27mV18.77mV12.23mV21.05mVPass
70% Load24.53mV20.91mV15.56mV23.04mVPass
80% Load26.17mV20.45mV18.63mV24.52mVPass
90% Load27.90mV29.66mV22.67mV29.82mVPass
100% Load45.91mV38.73mV33.22mV31.59mVPass
110% Load47.89mV31.80mV30.54mV36.26mVPass
Crossload111.90mV10.43mV14.41mV8.43mVPass
Crossload217.06mV10.89mV6.30mV7.09mVPass
Crossload311.85mV10.28mV20.52mV6.83mVPass
Crossload445.79mV29.49mV19.59mV25.23mVPass

The results above are not used in the certification process

Chieftronic SteelPower 750W

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