CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Cooler Master GX II 850 GOLD (MWE Gold 850 V3)
Serial NumberPS58513CD2312020014A1GZ
Lab IDCM85002478
  • Report: 24PS2478A
  • Receipt Date: May 29, 2024
  • Test Date: Jun 17, 2024
  • Report Date: Jun 18, 2024
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandCooler Master
Manufacturer (OEM)Lite-on
SeriesGX II / MWE Gold V3
Model NumberMPX-8503-AFAG
Serial NumberPS58513CD2312020014A1GZ
DUT NotesAlso sold as: MWE Gold 850 V3

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)5-10
Rated Frequency (Hz)50-60
Rated Power (W)850
TypeATX12V
Cooling120mm Fluid Dynamic Bearing Fan
(HA1225H12F-Z)
Semi-Passive Operation✓
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202070.830.3
Watts120849.6153.6
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 (605mm) 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) 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

Efficiency RatingPLATINUM
Noise RatingA
Average Efficiency (>1450 load combinations)89.579%
Average Noise Output (>1450 Load Combinations)22.87dBA
Average PF (>1450 Load Combinations)0.992
Efficiency With 10W (≤500W) or 2% (>500W) Load82.480%
Standby Power Consumption0.0680W
12V Ripple (Full Load)58.45mV
5V Ripple (Full Load)17.33mV
3.3V Ripple (Full Load)18.63mV
5VSB Ripple (Full Load)16.20mV
12V Load Regulation0.81%
5V Load Regulation2.42%
3.3V Load Regulation3.49%
5VSB Load Regulation4.26%
Inrush Current0.000A
Efficiency RatingPLATINUM
Noise RatingA+
Average Efficiency (>1450 load combinations)91.725%
Average Noise Output (>1450 Load Combinations)18.91dBA
Average PF (>1450 Load Combinations)0.981
Efficiency With 10W (≤500W) or 2% (>500W) Load77.935%
Standby Power Consumption0.1253W
12V Ripple (Full Load)56.06mV
5V Ripple (Full Load)17.50mV
3.3V Ripple (Full Load)19.53mV
5VSB Ripple (Full Load)16.10mV
12V Load Regulation0.75%
5V Load Regulation2.40%
3.3V Load Regulation3.42%
5VSB Load Regulation4.16%
Inrush Current0.000A
12V Transient Response (200%)11.15V
5V Transient Response (200%)4.803V
3.3V Transient Response (200%)3.191V
5VSB Transient Response (200%)4.941V
Hold-Up Time & Power Ok Signal20.90ms
AC Loss to PWR_OK Hold Up Time18.20ms
PWR_OK Inactive to DC Loss Delay2.70ms
PSU Timings: T1 (20% / 100%)61.0ms36.0ms
PSU Timings: T3 (20% / 100%)125.0ms126.0ms
12V OCP (26.3°C / °C)- 5V- 5V
5V OCP (26.3°C / °C)
3.3V OCP (26.3°C / °C)
5VSB OCP (26.3°C / °C)
OPP (27.11°C / 0.00°C)126.90%0.00%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)20.9
AC Loss to PWR_OK Hold Up Time (ms)18.2
PWR_OK Inactive to DC Loss Delay (ms)2.7

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 0.18 % 2.00 % PASS
Real Power: 0.068 W -0.002 W N/A 0.125 W N/A N/A
Apparent Power: 7.900 W 7.539 W N/A 8.267 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: 231.03 V 230.92 V 227.70 V 231.09 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 1.416 1.340 1.419 1.490 PASS
Mains Voltage THD: 0.17 % 0.14 % N/A 0.27 % 2.00 % PASS
Real Power: 0.125 W 0.079 W N/A 0.210 W N/A N/A
Apparent Power: 25.453 W 24.984 W N/A 25.920 W N/A N/A
Power Factor: 0.004 N/A N/A N/A N/A N/A

Graphs

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 0.231W 62.265% 0.05
5.14V 0.371W 114.94V
2 0.09A 0.463W 72.567% 0.083
5.138V 0.639W 114.94V
3 0.55A 2.816W 83.392% 0.265
5.12V 3.377W 114.92V
4 1A 5.101W 83.532% 0.319
5.101V 6.106W 114.92V
5 1.5A 7.622W 83.456% 0.347
5.081V 9.135W 114.92V
6 3A 15.059W 82.045% 0.387
5.02V 18.354W 114.91V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.232W 56.245% 0.017
5.144V 0.418W 229.9V
2 0.09A 0.463W 67.99% 0.027
5.141V 0.684W 229.88V
3 0.55A 2.816W 81.485% 0.126
5.121V 3.459W 229.89V
4 1A 5.102W 83.186% 0.193
5.102V 6.135W 229.88V
5 1.5A 7.623W 83.508% 0.243
5.081V 9.131W 229.88V
6 3A 15.059W 82.919% 0.316
5.02V 18.163W 229.88V

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 1.975A 1.957A 0.98A 85 91.283% 0 <6.0 51.96°C 0.973
12.042V 5.063V 3.372V 5.1V 93.149 40.09°C 114.89V
20% 11.555A 2.969A 2.946A 1.18A 169.936 92.666% 0 <6.0 54.04°C 0.985
12.033V 5.051V 3.361V 5.083V 183.448 40.85°C 114.87V
30% 18.204A 3.471A 3.447A 1.382A 254.939 92.835% 0 <6.0 56.68°C 0.991
12.024V 5.042V 3.351V 5.066V 274.558 41.03°C 114.84V
40% 24.871A 3.976A 3.952A 1.584A 340.027 92.018% 1260 25.5 41.91°C 0.994
12.015V 5.031V 3.341V 5.05V 369.508 47.88°C 114.81V
50% 31.183A 4.982A 4.957A 1.789A 424.819 91.363% 1258 25.5 42.2°C 0.995
12.004V 5.018V 3.328V 5.031V 464.942 48.39°C 114.79V
60% 37.479A 5.994A 5.971A 1.995A 509.347 90.54% 1258 25.5 42.95°C 0.996
11.994V 5.006V 3.317V 5.014V 562.53 50.22°C 114.74V
70% 43.852A 7.011A 6.992A 2.202A 594.668 89.59% 1310 26.9 43.15°C 0.997
11.985V 4.993V 3.304V 4.996V 663.766 52.37°C 114.72V
80% 50.235A 8.031A 8.019A 2.308A 679.484 88.432% 2541 45.4 43.84°C 0.997
11.975V 4.98V 3.292V 4.982V 768.396 52.02°C 114.68V
90% 57.032A 8.551A 8.532A 2.415A 764.896 87.259% 2556 45.6 44.15°C 0.997
11.965V 4.969V 3.282V 4.969V 876.595 51.74°C 114.64V
100% 63.573A 9.074A 9.08A 3.041A 849.724 85.98% 2868 49.1 45.51°C 0.997
11.955V 4.958V 3.271V 4.933V 988.268 53.59°C 114.61V
110% 69.993A 10.111A 10.222A 3.047A 934.317 84.563% 2865 49 46.77°C 0.997
11.945V 4.944V 3.258V 4.923V 1104.9 56.39°C 114.57V
CL1 0.116A 14.425A 14.357A 0A 121.29 84.775% 0 <6.0 56.13°C 0.981
12.032V 5.004V 3.323V 5.131V 143.088 40.34°C 114.87V
CL2 0.115A 19.97A 0A 0A 101.339 83.131% 0 <6.0 55.79°C 0.978
12.040V 5.005V 3.357V 5.139V 121.921 40.91°C 114.87V
CL3 0.115A 0A 19.834A 0A 67.395 78.832% 0 <6.0 54.76°C 0.972
12.040V 5.041V 3.328V 5.139V 85.518 40.83°C 114.89V
CL4 70.997A 0A 0A 0A 849.481 86.705% 2859 48.9 45.17°C 0.997
11.966V 5.002V 3.31V 5.075V 979.761 53.15°C 114.61V

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% 5.266A 1.975A 1.958A 0.981A 85.002 92.475% 0 <6.0 48.65°C 0.949
12.041V 5.062V 3.371V 5.099V 91.966 40.42°C 229.88V
20% 11.556A 2.97A 2.947A 1.181A 169.941 94.09% 0 <6.0 48.97°C 0.973
12.032V 5.05V 3.36V 5.083V 180.662 40.53°C 229.86V
30% 18.203A 3.472A 3.447A 1.382A 254.937 94.283% 0 <6.0 52.07°C 0.981
12.024V 5.041V 3.351V 5.066V 270.402 41.05°C 229.85V
40% 24.870A 3.976A 3.952A 1.584A 340.02 93.897% 1254 25.5 41.96°C 0.986
12.015V 5.03V 3.34V 5.05V 362.206 44.9°C 229.83V
50% 31.180A 4.983A 4.957A 1.789A 424.802 93.446% 1254 25.5 42.13°C 0.989
12.005V 5.018V 3.328V 5.032V 454.691 45.21°C 229.82V
60% 37.475A 5.994A 5.97A 1.995A 509.338 92.942% 1256 25.5 42.67°C 0.991
11.996V 5.005V 3.317V 5.014V 548.035 47.01°C 229.8V
70% 43.848A 7.011A 6.991A 2.202A 594.671 92.296% 1257 25.5 43.08°C 0.992
11.986V 4.993V 3.305V 4.996V 644.357 48.32°C 229.79V
80% 50.231A 8.031A 8.018A 2.308A 679.496 91.556% 1473 30.3 43.78°C 0.994
11.976V 4.98V 3.293V 4.983V 742.118 49.84°C 229.77V
90% 57.026A 8.552A 8.531A 2.415A 764.909 90.634% 2443 44.4 44.14°C 0.995
11.967V 4.969V 3.282V 4.969V 843.908 49.51°C 229.76V
100% 63.570A 9.076A 9.08A 3.041A 849.738 89.737% 2863 49 45.28°C 0.995
11.956V 4.957V 3.271V 4.933V 946.923 50.06°C 229.74V
110% 69.988A 10.112A 10.221A 3.047A 934.321 88.789% 2866 49.1 46.81°C 0.996
11.946V 4.943V 3.258V 4.923V 1052.298 53.05°C 229.73V
CL1 0.115A 14.426A 14.355A 0A 121.287 86.106% 0 <6.0 50.79°C 0.967
12.032V 5.004V 3.323V 5.131V 140.941 40.92°C 229.87V
CL2 0.115A 19.967A 0A 0A 101.337 84.306% 0 <6.0 51.51°C 0.962
12.040V 5.006V 3.357V 5.138V 120.261 40.58°C 229.87V
CL3 0.115A 0A 19.83A 0A 67.395 79.996% 0 <6.0 51.17°C 0.943
12.040V 5.042V 3.329V 5.138V 84.304 40°C 229.88V
CL4 70.995A 0A 0A 0A 849.485 90.474% 2862 49 45.96°C 0.995
11.966V 5.002V 3.31V 5.075V 938.946 50.95°C 229.75V

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 1.232A 0.492A 0.487A 0.194A 19.998 83.062% 0 <6.0 48.65°C 0.916
12.052V 5.078V 3.385V 5.143V 24.093 36.75°C 114.91V
40W 2.713A 0.69A 0.683A 0.292A 39.997 87.574% 0 <6.0 48.93°C 0.955
12.048V 5.075V 3.382V 5.137V 45.704 37.1°C 114.9V
60W 4.194A 0.887A 0.879A 0.39A 59.996 89.615% 0 <6.0 49.19°C 0.966
12.046V 5.072V 3.379V 5.13V 66.949 38.63°C 114.9V
80W 5.672A 1.085A 1.075A 0.488A 79.942 91.496% 0 <6.0 51.07°C 0.972
12.044V 5.068V 3.376V 5.123V 87.411 39.07°C 114.89V

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 0.492A 0.488A 0.195A 19.998 81.674% 0 <6.0 42.5°C 0.575
12.046V 5.076V 3.383V 5.138V 24.167 36.15°C 229.89V
40W 2.714A 0.69A 0.683A 0.292A 39.997 88.674% 0 <6.0 44.31°C 0.842
12.044V 5.074V 3.381V 5.134V 45.297 37.03°C 229.88V
60W 4.196A 0.887A 0.879A 0.39A 59.996 90.733% 0 <6.0 45.57°C 0.918
12.043V 5.07V 3.378V 5.127V 66.123 38.3°C 229.88V
80W 5.674A 1.085A 1.076A 0.488A 79.942 92.778% 0 <6.0 46.74°C 0.945
12.041V 5.067V 3.375V 5.121V 86.239 38.92°C 229.88V

The results above are not used in the certification process

Ripple Measurements

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 24.8 mV 12.1 mV 12.5 mV 10.3 mV Pass
20% Load 26.8 mV 11.8 mV 11.9 mV 10.4 mV Pass
30% Load 28.6 mV 13.4 mV 19.0 mV 10.7 mV Pass
40% Load 27.5 mV 12.2 mV 17.9 mV 11.2 mV Pass
50% Load 30.4 mV 12.3 mV 13.4 mV 10.9 mV Pass
60% Load 34.7 mV 13.0 mV 13.0 mV 10.7 mV Pass
70% Load 36.1 mV 12.6 mV 13.2 mV 11.9 mV Pass
80% Load 49.1 mV 14.7 mV 15.0 mV 12.3 mV Pass
90% Load 45.1 mV 15.0 mV 15.9 mV 12.6 mV Pass
100% Load 58.5 mV 17.3 mV 18.6 mV 16.2 mV Pass
110% Load 66.5 mV 22.6 mV 31.0 mV 14.7 mV Pass
Crossload 1 34.1 mV 16.1 mV 14.8 mV 18.6 mV Pass
Crossload 2 31.4 mV 19.8 mV 13.0 mV 19.3 mV Pass
Crossload 3 34.0 mV 13.4 mV 16.9 mV 19.1 mV Pass
Crossload 4 49.8 mV 14.5 mV 18.0 mV 18.2 mV Pass

The results above are not used in the certification process

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 24.5 mV 12.6 mV 12.7 mV 11.7 mV Pass
20% Load 26.8 mV 12.4 mV 13.9 mV 11.4 mV Pass
30% Load 31.7 mV 13.5 mV 18.2 mV 11.1 mV Pass
40% Load 31.5 mV 13.5 mV 19.4 mV 10.9 mV Pass
50% Load 31.0 mV 12.9 mV 12.8 mV 10.8 mV Pass
60% Load 32.1 mV 12.2 mV 13.7 mV 11.4 mV Pass
70% Load 35.7 mV 12.9 mV 13.5 mV 10.8 mV Pass
80% Load 43.1 mV 15.2 mV 15.6 mV 12.0 mV Pass
90% Load 48.2 mV 15.0 mV 16.4 mV 12.4 mV Pass
100% Load 56.1 mV 17.5 mV 19.5 mV 16.1 mV Pass
110% Load 65.1 mV 26.3 mV 23.3 mV 15.6 mV Pass
Crossload 1 32.1 mV 15.4 mV 15.1 mV 18.5 mV Pass
Crossload 2 30.0 mV 20.4 mV 12.8 mV 18.8 mV Pass
Crossload 3 32.7 mV 13.7 mV 15.6 mV 18.9 mV Pass
Crossload 4 51.6 mV 15.3 mV 17.6 mV 18.1 mV Pass

The results above are not used in the certification process

Cooler Master GX II 850 GOLD (MWE Gold 850 V3)

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