CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Cooler Master GX III 850 Gold
Serial NumberPS58513CM23102000600CGZ
Lab IDCM85002508
  • Report: 24PS2508A
  • Receipt Date: Jun 25, 2024
  • Test Date: Jul 15, 2024
  • Report Date: Jul 15, 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-8503-AFAG-BAU
Serial NumberPS58513CM23102000600CGZ
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)10-5
Rated Frequency (Hz)50-60
Rated Power (W)850
TypeATX12V
Cooling135mm Fluid Dynamic Bearing Fan
(HA13525H12F-Z)
Semi-Passive Operation✓
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202070.830.3
Watts120850153.6
Total Max. Power (W)850

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) (450W) 1 1 16-28AWG No
SATA (500mm+120mm+120mm+120mm) 2 8 20AWG No
4-pin Molex (500mm+120mm+120mm+120mm) 1 4 20AWG No
AC Power Cord (1390mm) - 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✓
ALPM (Alternative Low Power Mode) compatible✓
ATX v3.1 PSU Power Excursion✓

Performance Summary

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)25.7
AC Loss to PWR_OK Hold Up Time (ms)21.9
PWR_OK Inactive to DC Loss Delay (ms)3.8

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.07 V 115.04 V 113.85 V 115.11 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.99 Hz 59.40 Hz 60.01 Hz 60.60 Hz PASS
Mains Voltage CF: 1.416 1.415 1.340 1.418 1.490 PASS
Mains Voltage THD: 0.13 % 0.09 % N/A 0.19 % 2.00 % PASS
Real Power: 0.103 W 0.092 W N/A 0.118 W N/A N/A
Apparent Power: 7.503 W 7.144 W N/A 7.898 W N/A N/A
Power Factor: 0.013 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 231.05 V 230.94 V 227.70 V 231.11 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: 1.417 1.417 1.340 1.419 1.490 PASS
Mains Voltage THD: 0.17 % 0.14 % N/A 0.26 % 2.00 % PASS
Real Power: 0.145 W 0.125 W N/A 0.198 W N/A N/A
Apparent Power: 24.404 W 23.938 W N/A 24.925 W N/A N/A
Power Factor: 0.006 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 0.232W 61.868% 0.052
5.149V 0.375W 115.13V
2 0.09A 0.463W 72.396% 0.087
5.148V 0.639W 115.14V
3 0.55A 2.82W 83.13% 0.312
5.126V 3.392W 115.14V
4 1A 5.106W 83.037% 0.396
5.105V 6.149W 115.13V
5 1.5A 7.624W 82.929% 0.434
5.082V 9.194W 115.13V
6 3A 15.037W 81.201% 0.488
5.012V 18.519W 115.13V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.232W 55.37% 0.018
5.149V 0.419W 230.34V
2 0.09A 0.463W 66.951% 0.029
5.147V 0.692W 230.34V
3 0.55A 2.82W 81.575% 0.135
5.125V 3.457W 230.35V
4 1A 5.105W 82.963% 0.212
5.104V 6.154W 230.35V
5 1.5A 7.623W 83.185% 0.273
5.081V 9.163W 230.34V
6 3A 15.033W 82.092% 0.363
5.011V 18.31W 230.34V

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% 5.264A 1.991A 1.972A 0.981A 85.003 90.871% 0 <6.0 44.74°C 0.96
12.043V 5.025V 3.347V 5.097V 93.529 40.44°C 115.13V
20% 11.554A 2.993A 2.969A 1.182A 169.959 92.584% 0 <6.0 45.36°C 0.979
12.035V 5.012V 3.335V 5.078V 183.655 40.74°C 115.11V
30% 18.201A 3.5A 3.475A 1.384A 254.97 92.832% 0 <6.0 46.93°C 0.988
12.028V 5.002V 3.324V 5.06V 274.726 41.23°C 115.08V
40% 24.861A 4.008A 3.985A 1.587A 340.062 92.39% 0 <6.0 51.16°C 0.992
12.021V 4.991V 3.313V 5.041V 368.11 41.77°C 115.06V
50% 31.177A 5.023A 5.002A 1.793A 425.025 91.59% 816 23.9 42.09°C 0.994
12.013V 4.978V 3.299V 5.021V 464.023 50.24°C 115.03V
60% 37.470A 6.043A 6.027A 2A 509.558 90.781% 919 27.5 42.72°C 0.995
12.003V 4.966V 3.286V 5V 561.304 50.57°C 115.01V
70% 43.837A 7.07A 7.061A 2.21A 594.899 89.802% 1105 31.6 43.13°C 0.996
11.994V 4.952V 3.272V 4.979V 662.429 51.69°C 114.99V
80% 50.214A 8.101A 8.103A 2.317A 679.742 88.756% 1438 38.5 43.96°C 0.996
11.985V 4.938V 3.258V 4.963V 765.894 53.41°C 114.97V
90% 56.998A 8.627A 8.627A 2.426A 765.168 87.567% 1665 41.7 44.6°C 0.997
11.977V 4.927V 3.245V 4.948V 873.861 54.21°C 114.94V
100% 63.523A 9.158A 9.188A 3.058A 849.978 86.261% 1666 41.7 45.68°C 0.997
11.969V 4.914V 3.232V 4.906V 985.395 57.3°C 114.92V
110% 69.922A 10.206A 10.351A 3.065A 934.569 84.64% 1666 41.7 46.51°C 0.997
11.961V 4.899V 3.217V 4.895V 1104.183 60.03°C 114.9V
CL1 0.116A 14.552A 14.468A 0A 121.304 84.356% 0 <6.0 56.96°C 0.974
12.039V 4.962V 3.297V 5.131V 143.82 40.58°C 115.12V
CL2 0.116A 20.179A 0A 0A 101.399 82.856% 0 <6.0 54.56°C 0.969
12.051V 4.956V 3.332V 5.143V 122.42 40.12°C 115.12V
CL3 0.116A 0A 20.042A 0A 67.391 78.013% 0 <6.0 53.76°C 0.959
12.047V 4.991V 3.293V 5.138V 86.475 40.64°C 115.13V
CL4 70.901A 0A 0A 0A 849.688 87.036% 1665 41.7 45.34°C 0.997
11.985V 4.949V 3.265V 5.075V 976.276 56.53°C 114.92V

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% 5.264A 1.991A 1.972A 0.981A 85.003 91.834% 0 <6.0 46.54°C 0.906
12.044V 5.024V 3.347V 5.097V 92.58 40.5°C 230.36V
20% 11.554A 2.993A 2.969A 1.182A 169.959 93.908% 0 <6.0 47.11°C 0.946
12.036V 5.012V 3.334V 5.077V 180.988 40.74°C 230.35V
30% 18.200A 3.5A 3.476A 1.384A 254.968 94.246% 0 <6.0 48.53°C 0.961
12.028V 5.002V 3.323V 5.059V 270.607 41.38°C 230.34V
40% 24.861A 4.009A 3.986A 1.588A 340.06 94.044% 0 <6.0 50.1°C 0.971
12.020V 4.99V 3.312V 5.039V 361.652 41.79°C 230.33V
50% 31.177A 5.024A 5.003A 1.794A 425.016 93.425% 816 23.9 42.15°C 0.978
12.012V 4.978V 3.298V 5.019V 454.929 48.05°C 230.32V
60% 37.472A 6.043A 6.028A 2A 509.549 92.913% 919 27.5 42.81°C 0.983
12.002V 4.965V 3.285V 4.998V 548.429 48.27°C 230.31V
70% 43.841A 7.07A 7.063A 2.21A 594.888 92.307% 1105 31.6 43.44°C 0.986
11.993V 4.952V 3.271V 4.977V 644.515 49.4°C 230.3V
80% 50.219A 8.101A 8.105A 2.318A 679.725 91.579% 1246 35 43.77°C 0.989
11.984V 4.938V 3.257V 4.962V 742.292 50.5°C 230.29V
90% 57.001A 8.627A 8.629A 2.426A 765.152 90.769% 1664 41.7 44.51°C 0.991
11.976V 4.927V 3.245V 4.946V 842.926 51.09°C 230.27V
100% 63.527A 9.158A 9.189A 3.059A 849.963 89.9% 1665 41.7 45.21°C 0.993
11.968V 4.914V 3.232V 4.904V 945.506 53.06°C 230.26V
110% 69.931A 10.205A 10.351A 3.066A 934.547 88.896% 1667 41.7 46.3°C 0.993
11.959V 4.9V 3.216V 4.893V 1051.23 55.66°C 230.25V
CL1 0.116A 14.548A 14.467A 0A 121.302 85.578% 0 <6.0 51.42°C 0.939
12.037V 4.963V 3.297V 5.13V 141.786 40.07°C 230.35V
CL2 0.116A 20.182A 0A 0A 101.397 83.91% 0 <6.0 50.89°C 0.93
12.048V 4.955V 3.331V 5.142V 120.918 41.09°C 230.35V
CL3 0.116A 0A 20.042A 0A 67.388 79.01% 0 <6.0 50.41°C 0.899
12.044V 4.991V 3.293V 5.137V 85.267 40.43°C 230.36V
CL4 70.907A 0A 0A 0A 849.655 90.722% 1666 41.7 45.25°C 0.993
11.983V 4.949V 3.265V 5.075V 936.501 52.37°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]) Temps (In/Out) PF/AC Volts
20W 1.233A 0.496A 0.491A 0.194A 20.003 81.304% 0 <6.0 38.81°C 0.888
12.047V 5.036V 3.359V 5.143V 24.732 36.22°C 115.15V
40W 2.714A 0.695A 0.688A 0.292A 40.001 86.722% 0 <6.0 40.71°C 0.939
12.044V 5.034V 3.356V 5.137V 46.2 37.58°C 115.14V
60W 4.196A 0.895A 0.886A 0.39A 60 89.274% 0 <6.0 41.5°C 0.949
12.044V 5.031V 3.353V 5.13V 67.287 38.18°C 115.13V
80W 5.674A 1.094A 1.083A 0.488A 79.959 91.105% 0 <6.0 43.07°C 0.957
12.043V 5.029V 3.351V 5.123V 87.84 39.23°C 115.13V

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 0.496A 0.491A 0.194A 20.003 76.987% 0 <6.0 41.16°C 0.499
12.051V 5.037V 3.359V 5.144V 24.309 36.2°C 230.37V
40W 2.714A 0.695A 0.688A 0.292A 40.001 87.912% 0 <6.0 42.95°C 0.754
12.047V 5.034V 3.356V 5.138V 45.626 37.55°C 230.37V
60W 4.194A 0.895A 0.886A 0.39A 60.001 90.276% 0 <6.0 43.75°C 0.857
12.046V 5.031V 3.353V 5.13V 66.474 38.31°C 230.36V
80W 5.673A 1.094A 1.083A 0.488A 79.96 92.157% 0 <6.0 44.93°C 0.899
12.044V 5.028V 3.351V 5.123V 86.784 39.31°C 230.36V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load17.55mV6.33mV4.73mV5.15mVPass
20% Load18.37mV6.53mV5.08mV5.45mVPass
30% Load20.81mV7.39mV7.78mV5.35mVPass
40% Load22.28mV7.19mV10.32mV5.40mVPass
50% Load22.14mV6.78mV7.37mV5.55mVPass
60% Load24.52mV7.35mV7.63mV5.91mVPass
70% Load24.37mV7.04mV8.39mV6.42mVPass
80% Load33.53mV8.16mV10.58mV6.57mVPass
90% Load34.19mV8.83mV11.04mV6.98mVPass
100% Load38.91mV9.58mV13.15mV8.84mVPass
110% Load47.87mV12.21mV14.19mV9.43mVPass
Crossload119.26mV7.27mV13.12mV13.24mVPass
Crossload216.59mV8.77mV6.61mV14.26mVPass
Crossload318.98mV5.56mV13.33mV12.74mVPass
Crossload433.63mV8.35mV8.57mV11.28mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load17.20mV6.32mV4.63mV5.55mVPass
20% Load18.01mV6.17mV4.93mV5.61mVPass
30% Load19.08mV6.33mV7.63mV5.30mVPass
40% Load20.86mV6.94mV10.32mV5.45mVPass
50% Load21.42mV6.58mV7.43mV5.66mVPass
60% Load21.37mV6.99mV7.12mV5.91mVPass
70% Load22.44mV6.74mV7.88mV6.22mVPass
80% Load36.79mV8.72mV12.41mV6.62mVPass
90% Load31.44mV7.96mV11.80mV6.67mVPass
100% Load40.03mV9.21mV12.36mV8.61mVPass
110% Load46.24mV12.62mV15.66mV9.14mVPass
Crossload122.08mV6.91mV13.33mV13.62mVPass
Crossload217.35mV9.13mV6.82mV14.06mVPass
Crossload318.83mV5.76mV12.87mV12.28mVPass
Crossload434.65mV8.99mV8.22mV10.95mVPass

The results above are not used in the certification process

Cooler Master GX III 850 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