CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Cooler Master GX III 1050 Gold
Serial Number
Lab IDCM10502428
  • Report: 24PS2428A
  • Receipt Date: Apr 9, 2024
  • Test Date: Apr 26, 2024
  • Report Date: Apr 30, 2024
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandCooler Master
Manufacturer (OEM)Lite-On
SeriesGX III
Model NumberMPX-A503-AFAG
Serial Number
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)13-7
Rated Frequency (Hz)50-60
Rated Power (W)1050
TypeATX12V
Cooling135mm Fluid Dynamic Bearing Fan
(HA13525H12F-Z)
Semi-Passive Operation✓
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202087.530.3
Watts1201050153.6
Total Max. Power (W)1050

Test Equipment

Electronic Loads Chroma 63601-5 x2
Chroma 63600-2
63640-80-80 x10
63610-80-20
AC Sources Chroma 6530, APM SP300VAC4000W-P
Power Analyzers RS HMC8015, N4L PPA1530, N4L PPA5530
Oscilloscopes Picoscope 4444, Rigol DS7014, Siglent SDS2104X PLUS
Sound Analyzer Bruel & Kjaer 2270 G4
Microphone Bruel & Kjaer Type 4955-A
Temperature Logger Picoscope TC-08
Tachometer UNI-T UT372
Multimeters Keysight 34465A, Keithley 2015 - THD
UPS FSP Champ Tower 3kVA, CyberPower OLS3000E 3kVA
Isolation Transformer 4kVA
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 (610mm) 1 1 18-22AWG No
4+4 pin EPS12V (600mm) 1 1 18AWG No
8 pin EPS12V (600mm) 1 1 18AWG No
6+2 pin PCIe (550mm) 3 3 16-18AWG No
12+4 pin PCIe (650mm) (600W) 1 1 16-28AWG No
SATA (500mm+120mm+120mm+120mm) 3 12 18AWG No
4-pin Molex (500mm+120mm+120mm+120mm) 1 4 18AWG No
AC Power Cord (1370mm) - C13 coupler 1 1 17AWG -

Test Results

Temperature & Compliance Info

Temperature Range (°C /°F)30-32 / 86-89.6
ErP Lot 3/6 Ready✓
(EU) No 617/2013 Compliance✓
ALPM (Alternative Low Power Mode) compatible✓
ATX v3.1 PSU Power Excursion✓

Performance Summary

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)25
AC Loss to PWR_OK Hold Up Time (ms)21.5
PWR_OK Inactive to DC Loss Delay (ms)3.5

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 114.85 V 114.79 V 113.85 V 114.91 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.98 Hz 59.40 Hz 60.01 Hz 60.60 Hz PASS
Mains Voltage CF: 1.420 1.418 1.340 1.422 1.490 PASS
Mains Voltage THD: 0.15 % 0.10 % N/A 0.27 % 2.00 % PASS
Real Power: 0.072 W 0.015 W N/A 0.107 W N/A N/A
Apparent Power: 10.948 W 10.929 W N/A 10.977 W N/A N/A
Power Factor: 0.009 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 229.87 V 229.78 V 227.70 V 229.93 V 232.30 V PASS
Mains Frequency: 50.00 Hz 49.99 Hz 49.50 Hz 50.01 Hz 50.50 Hz PASS
Mains Voltage CF: 1.418 1.417 1.340 1.420 1.490 PASS
Mains Voltage THD: 0.14 % 0.10 % N/A 0.19 % 2.00 % PASS
Real Power: 0.152 W 0.117 W N/A 0.182 W N/A N/A
Apparent Power: 36.809 W 36.785 W N/A 36.836 W N/A N/A
Power Factor: 0.004 N/A N/A N/A N/A N/A

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 0.228W 63.432% 0.033
5.066V 0.359W 114.84V
2 0.09A 0.456W 72.664% 0.057
5.064V 0.628W 114.84V
3 0.55A 2.777W 82.694% 0.248
5.049V 3.358W 114.83V
4 1A 5.035W 82.407% 0.355
5.035V 6.11W 114.84V
5 1.5A 7.53W 81.957% 0.414
5.019V 9.187W 114.83V
6 3A 14.918W 79.757% 0.498
4.973V 18.704W 114.83V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.228W 53.629% 0.012
5.066V 0.426W 229.85V
2 0.09A 0.456W 65.224% 0.019
5.064V 0.699W 229.84V
3 0.55A 2.777W 81.022% 0.09
5.05V 3.428W 229.84V
4 1A 5.035W 82.374% 0.152
5.035V 6.113W 229.84V
5 1.5A 7.53W 82.522% 0.21
5.02V 9.125W 229.84V
6 3A 14.919W 81.16% 0.323
4.973V 18.383W 229.84V

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% 6.906A 1.992A 1.972A 0.993A 104.926 88.519% 0 <6.0 44.52°C 0.963
12.067V 5.018V 3.347V 5.037V 118.572 40.3°C 114.81V
20% 14.843A 2.995A 2.966A 1.195A 209.909 91.804% 0 <6.0 45.47°C 0.994
12.060V 5.008V 3.337V 5.021V 228.612 40.86°C 114.77V
30% 23.139A 3.5A 3.469A 1.399A 314.909 92.227% 0 <6.0 46.5°C 0.996
12.052V 4.999V 3.329V 5.005V 341.451 41.46°C 114.75V
40% 31.408A 4.007A 3.974A 1.604A 419.446 92.087% 0 <6.0 47.61°C 0.997
12.043V 4.991V 3.321V 4.989V 455.495 42.04°C 114.71V
50% 39.409A 5.019A 4.983A 1.81A 524.8 91.662% 0 <6.0 48.75°C 0.998
12.035V 4.981V 3.311V 4.972V 572.531 42.67°C 114.67V
60% 47.372A 6.039A 6A 2A 629.28 90.985% 970 29.0 42.95°C 0.998
12.023V 4.968V 3.3V 4.954V 691.627 49.5°C 114.64V
70% 55.417A 7.061A 7.021A 2.229A 734.736 90.307% 971 29.0 43.42°C 0.998
12.011V 4.958V 3.29V 4.935V 813.646 50.45°C 114.59V
80% 63.464A 8.084A 8.047A 2.337A 839.531 89.515% 1140 33.0 43.77°C 0.998
12.001V 4.947V 3.281V 4.921V 937.85 51.87°C 114.56V
90% 71.931A 8.606A 8.557A 2.446A 944.916 88.636% 1540 40.0 44.78°C 0.998
11.990V 4.938V 3.272V 4.907V 1065.98 53.79°C 114.51V
100% 80.147A 9.13A 9.102A 3.077A 1049.729 87.692% 1920 45.6 45.63°C 0.998
11.978V 4.928V 3.263V 4.875V 1197.032 55.68°C 114.47V
110% 88.252A 10.168A 10.239A 3.085A 1154.365 86.634% 2214 47.6 47.04°C 0.998
11.966V 4.917V 3.252V 4.863V 1332.472 57.88°C 114.43V
CL1 0.116A 14.527A 14.415A 0A 121.298 82.362% 0 <6.0 41.37°C 0.984
12.070V 4.97V 3.309V 5.061V 147.247 47.02°C 114.79V
CL2 0.115A 20.05A 0A 0A 101.33 80.817% 0 <6.0 40.94°C 0.97
12.076V 4.985V 3.333V 5.068V 125.391 48.68°C 114.81V
CL3 0.114A 0A 19.883A 0A 67.38 72.518% 0 <6.0 40.4°C 0.941
12.077V 5.011V 3.319V 5.068V 92.975 50.29°C 114.82V
CL4 87.545A 0A 0A 0A 1049.49 88.384% 1869 44.8 45.93°C 0.998
11.988V 4.97V 3.295V 4.983V 1187.437 56.62°C 114.48V

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% 6.910A 1.993A 1.972A 0.993A 104.943 89.87% 0 <6.0 44.25°C 0.918
12.062V 5.017V 3.346V 5.034V 116.813 40.03°C 229.82V
20% 14.851A 2.996A 2.967A 1.196A 209.932 93.172% 0 <6.0 45.29°C 0.963
12.056V 5.006V 3.337V 5.018V 225.333 40.74°C 229.81V
30% 23.149A 3.501A 3.47A 1.399A 314.938 93.978% 0 <6.0 46.2°C 0.984
12.047V 4.998V 3.328V 5.002V 335.141 41.19°C 229.79V
40% 31.424A 4.008A 3.975A 1.605A 419.501 93.984% 0 <6.0 47.31°C 0.991
12.039V 4.99V 3.32V 4.986V 446.32 41.79°C 229.77V
50% 39.426A 5.02A 4.984A 1.811A 524.805 93.669% 0 <6.0 48.43°C 0.995
12.030V 4.98V 3.311V 4.969V 560.194 42.39°C 229.75V
60% 47.380A 6.039A 6A 2A 629.239 93.171% 966 29.0 42.95°C 0.997
12.020V 4.968V 3.3V 4.952V 675.418 49.51°C 229.74V
70% 55.429A 7.062A 7.023A 2.23A 734.692 92.826% 967 29.0 43.09°C 0.998
12.008V 4.957V 3.29V 4.933V 791.528 50.25°C 229.72V
80% 63.483A 8.087A 8.049A 2.338A 839.501 92.352% 1095 32.0 43.98°C 0.998
11.997V 4.946V 3.279V 4.918V 909.11 52.02°C 229.7V
90% 71.956A 8.608A 8.561A 2.447A 944.898 91.871% 1499 39.4 44.35°C 0.999
11.986V 4.937V 3.271V 4.903V 1028.512 53.43°C 229.68V
100% 80.178A 9.133A 9.106A 3.08A 1049.705 91.306% 1885 45.1 45.82°C 0.999
11.973V 4.927V 3.261V 4.871V 1149.8 55.89°C 229.66V
110% 88.292A 10.171A 10.244A 3.087A 1154.357 90.7% 2210 47.6 46.8°C 0.999
11.961V 4.915V 3.25V 4.859V 1272.751 57.68°C 229.65V
CL1 0.115A 14.523A 14.415A 0A 121.297 83.19% 0 <6.0 45.66°C 0.929
12.066V 4.972V 3.309V 5.06V 145.818 40.16°C 229.82V
CL2 0.115A 20.039A 0A 0A 101.332 81.895% 0 <6.0 48.9°C 0.923
12.073V 4.987V 3.332V 5.067V 123.832 41.14°C 229.83V
CL3 0.114A 0A 19.887A 0A 67.38 73.617% 0 <6.0 51.07°C 0.901
12.073V 5.011V 3.319V 5.067V 91.563 41.34°C 229.83V
CL4 87.577A 0A 0A 0A 1049.488 91.977% 1816 44.2 45.16°C 0.999
11.984V 4.968V 3.293V 4.981V 1141.274 55.66°C 229.67V

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 1.229A 0.497A 0.492A 0.197A 19.989 76.787% 0 <6.0 39.73°C 0.825
12.074V 5.029V 3.356V 5.07V 26.164 36.63°C 114.83V
40W 2.708A 0.696A 0.689A 0.296A 39.99 82.524% 0 <6.0 41.29°C 0.889
12.071V 5.027V 3.354V 5.065V 48.556 37.88°C 114.82V
60W 4.186A 0.895A 0.886A 0.395A 59.99 84.386% 0 <6.0 42.32°C 0.916
12.070V 5.024V 3.352V 5.06V 71.09 38.57°C 114.82V
80W 5.659A 1.095A 1.083A 0.494A 79.922 86.405% 0 <6.0 43.29°C 0.938
12.069V 5.023V 3.351V 5.055V 92.568 39.47°C 114.81V

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 1.232A 0.497A 0.492A 0.197A 19.998 76.771% 0 <6.0 39.72°C 0.455
12.059V 5.026V 3.355V 5.065V 25.831 36.54°C 229.84V
40W 2.710A 0.697A 0.689A 0.296A 39.999 83.59% 0 <6.0 40.56°C 0.715
12.061V 5.024V 3.354V 5.061V 47.953 37.23°C 229.83V
60W 4.190A 0.896A 0.886A 0.396A 59.998 85.503% 0 <6.0 41.72°C 0.849
12.060V 5.022V 3.351V 5.056V 70.162 38.1°C 229.83V
80W 5.664A 1.095A 1.083A 0.495A 79.939 87.677% 0 <6.0 42.9°C 0.898
12.060V 5.02V 3.35V 5.052V 91.187 39.13°C 229.82V

The results above are not used in the certification process

Ripple Measurements

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 27.9 mV 14.7 mV 14.2 mV 8.9 mV Pass
20% Load 20.7 mV 14.7 mV 15.4 mV 8.6 mV Pass
30% Load 20.0 mV 13.9 mV 15.2 mV 8.2 mV Pass
40% Load 23.9 mV 19.5 mV 14.8 mV 8.9 mV Pass
50% Load 22.6 mV 13.9 mV 15.9 mV 9.0 mV Pass
60% Load 25.7 mV 15.5 mV 16.7 mV 10.1 mV Pass
70% Load 27.1 mV 17.1 mV 16.9 mV 10.9 mV Pass
80% Load 27.6 mV 17.8 mV 17.7 mV 10.7 mV Pass
90% Load 30.3 mV 15.6 mV 17.8 mV 10.7 mV Pass
100% Load 34.2 mV 15.7 mV 17.6 mV 12.3 mV Pass
110% Load 45.5 mV 16.5 mV 18.4 mV 13.0 mV Pass
Crossload 1 30.9 mV 16.2 mV 17.8 mV 13.9 mV Pass
Crossload 2 31.8 mV 19.6 mV 15.7 mV 12.9 mV Pass
Crossload 3 30.5 mV 15.5 mV 19.7 mV 13.4 mV Pass
Crossload 4 35.5 mV 14.6 mV 17.0 mV 14.6 mV Pass

The results above are not used in the certification process

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 25.2 mV 12.4 mV 12.6 mV 6.9 mV Pass
20% Load 18.7 mV 10.5 mV 12.3 mV 6.8 mV Pass
30% Load 17.9 mV 11.0 mV 11.9 mV 7.0 mV Pass
40% Load 19.9 mV 17.6 mV 12.4 mV 7.4 mV Pass
50% Load 23.0 mV 11.7 mV 12.7 mV 7.6 mV Pass
60% Load 22.4 mV 12.5 mV 13.9 mV 8.0 mV Pass
70% Load 26.4 mV 13.3 mV 15.6 mV 9.2 mV Pass
80% Load 26.8 mV 14.3 mV 15.3 mV 9.2 mV Pass
90% Load 29.8 mV 14.0 mV 15.3 mV 9.7 mV Pass
100% Load 36.9 mV 16.5 mV 17.1 mV 11.4 mV Pass
110% Load 47.5 mV 19.2 mV 18.6 mV 12.0 mV Pass
Crossload 1 37.5 mV 16.0 mV 17.2 mV 12.7 mV Pass
Crossload 2 31.4 mV 17.8 mV 14.1 mV 11.5 mV Pass
Crossload 3 27.8 mV 13.3 mV 18.1 mV 12.5 mV Pass
Crossload 4 37.9 mV 13.1 mV 15.2 mV 14.2 mV Pass

The results above are not used in the certification process

Cooler Master GX III 1050 Gold

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