CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Cooler Master MWE Gold 850 V2 (GX Gold 850)
Serial Number
Lab IDCM85001769
  • Report: 20PS1769A
  • Receipt Date: Dec 14, 2020
  • Test Date: Dec 17, 2020
  • Report Date: Dec 22, 2020
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandCooler Master
Manufacturer (OEM)Huizhou Xin Hui Yuan Tech (Fusion Power)
SeriesMWE Gold V2 / GX Gold
Model NumberMPE-8501-AFAAG
Serial Number
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)12-6
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
Watts100849.6153.6
Total Max. Power (W)850

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 (610mm) 1 1 18-22AWG No
4+4 pin EPS12V (610mm) 1 1 18AWG No
8 pin EPS12V (650mm) 1 1 18AWG No
6+2 pin PCIe (560mm+125mm) 2 4 16-18AWG No
SATA (500mm+125mm+125mm+125mm) 3 12 18AWG No
4-pin Molex (500mm+125mm+125mm+125mm) 1 4 18-20AWG No
AC Power Cord (1400mm) - C13 coupler 1 1 16AWG -

Parts Description

General Data -
Manufacturer (OEM) Huizhou Xin Hui Yuan Tech (Fusion Power)
PCB Type Double  Sided
Primary Side -
Transient Filter 4x Y caps, 3x X caps, 2x CM chokes, 1x MOV
Inrush Protection NTC Thermistor MF72 5D15 (5Ohm) & Relay
Bridge Rectifier(s) 2x GBU15J (600V, 15A @ 100°C)
APFC MOSFETs 2x NCE Power NCE65TF130 (650V, 18A @ 100°C, Rds(on): 0.13Ohm)
APFC Boost Diode 1x GH3D08065I
Bulk Cap(s) 1x Elite (400V, 680uF, 2,000h @ 105°C, PL)
Main Switchers 4x Great Power GPT13N50DG (500V, 13A, Rds(on): 0.49Ohm)
APFC Controller ON Semiconductor NCP1654
Resonant Controller Champion CM6901T6X
Topology Primary side: APFC, Full-Bridge & LLC converter
Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side -
+12V MOSFETs 4x Excelliance MOS Corp EMP16N04HS (40V, 100A @ 100°C, Rds(on): 1.6mOhm)
5V & 3.3V DC-DC Converters: 4x Excelliance MOS Corp EMB06N03HR (30V, 45A @ 100°C, Rds(on): 6mOhm)
PWM Controller(s): ANPEC APW7159C
Filtering Capacitors Electrolytic: 10x Elite (4-10,000h @ 105°C, EY), 7x Lelon (105°C, LZG)
Polymer: 6x FPCAP, 4x Elite, 4x no info
Supervisor IC IN1S313I-DAG
Fan Model Hong Hua HA1225H12F-Z (120mm, 12V, 0.58A, Fluid Dynamic Bearing Fan)
5VSB Circuit -
Standby PWM Controller Excelliance MOS Corp EM8569C

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✓

Performance Summary

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)20.6
AC Loss to PWR_OK Hold Up Time (ms)16.2
PWR_OK Inactive to DC Loss Delay (ms)4.4

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 0.231 66.763% 0.041
5.127V 0.346 115.12V
2 0.090A 0.461 74.959% 0.072
5.126V 0.615 115.12V
3 0.550A 2.813 81.821% 0.289
5.114V 3.438 115.11V
4 1.000A 5.101 81.538% 0.379
5.101V 6.256 115.11V
5 1.500A 7.631 81.224% 0.427
5.087V 9.395 115.12V
6 3.000A 15.136 78.267% 0.490
5.045V 19.339 115.12V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231 54.739% 0.015
5.127V 0.422 230.25V
2 0.090A 0.461 66.812% 0.025
5.126V 0.690 230.25V
3 0.550A 2.813 79.756% 0.118
5.113V 3.527 230.26V
4 1.000A 5.101 80.968% 0.190
5.101V 6.300 230.26V
5 1.500A 7.631 80.983% 0.251
5.087V 9.423 230.26V
6 3.000A 15.136 81.368% 0.349
5.045V 18.602 230.26V

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 5.273A 1.977A 1.965A 0.983A 84.963 85.519% 788 15.9 40.13°C 0.972
12.017V 5.058V 3.359V 5.085V 99.350 43.35°C 115.10V
2 11.582A 2.968A 2.950A 1.184A 170.033 89.600% 788 15.9 40.51°C 0.980
12.013V 5.054V 3.355V 5.068V 189.769 44.36°C 115.10V
3 18.234A 3.464A 3.445A 1.386A 255.042 90.584% 793 16.1 41.04°C 0.987
12.010V 5.052V 3.353V 5.051V 281.553 45.46°C 115.10V
4 24.890A 3.962A 3.941A 1.589A 340.059 90.685% 800 16.5 41.83°C 0.992
12.007V 5.049V 3.350V 5.034V 374.991 47.41°C 115.09V
5 31.196A 4.955A 4.930A 1.795A 424.948 90.243% 1065 24.6 42.04°C 0.994
12.003V 5.046V 3.346V 5.016V 470.893 48.32°C 115.09V
6 37.475A 5.951A 5.923A 2.000A 509.463 89.578% 1694 38.1 42.97°C 0.996
11.999V 5.042V 3.343V 4.997V 568.739 50.27°C 115.08V
7 43.824A 6.947A 6.917A 2.210A 594.781 88.843% 2032 43.0 43.28°C 0.996
11.995V 5.039V 3.340V 4.979V 669.478 51.37°C 115.08V
8 50.179A 7.946A 7.912A 2.420A 680.105 88.057% 2044 43.1 43.80°C 0.997
11.991V 5.035V 3.336V 4.961V 772.347 52.27°C 115.07V
9 56.938A 8.447A 8.398A 2.426A 765.015 87.203% 2051 43.2 44.72°C 0.997
11.987V 5.032V 3.333V 4.948V 877.277 53.85°C 115.07V
10 63.429A 8.946A 8.916A 3.051A 849.836 86.201% 2056 43.3 45.83°C 0.997
11.984V 5.030V 3.331V 4.918V 985.874 55.66°C 115.06V
11 70.513A 8.952A 8.924A 3.058A 934.592 85.387% 2064 43.4 46.77°C 0.998
11.982V 5.027V 3.328V 4.907V 1094.535 57.48°C 115.05V
CL1 0.117A 12.001A 11.998A 0.000A 102.085 82.586% 827 17.2 42.27°C 0.986
12.018V 5.042V 3.348V 5.090V 123.610 48.47°C 115.10V
CL2 70.834A 1.001A 1.001A 1.000A 862.325 86.898% 2057 43.3 45.34°C 0.997
11.985V 5.042V 3.339V 4.991V 992.347 55.25°C 115.06V

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 5.272A 1.976A 1.966A 0.983A 84.956 86.863% 789 15.9 40.03°C 0.825
12.018V 5.058V 3.358V 5.087V 97.805 43.99°C 230.23V
2 11.580A 2.968A 2.951A 1.184A 170.014 90.912% 790 16.0 40.44°C 0.925
12.013V 5.054V 3.355V 5.069V 187.010 45.05°C 230.23V
3 18.232A 3.465A 3.446A 1.386A 255.021 92.085% 793 16.1 41.23°C 0.954
12.010V 5.051V 3.352V 5.052V 276.942 46.49°C 230.23V
4 24.888A 3.962A 3.941A 1.589A 340.038 92.388% 802 16.5 41.69°C 0.971
12.007V 5.049V 3.350V 5.035V 368.053 47.85°C 230.22V
5 31.195A 4.956A 4.931A 1.794A 424.905 92.202% 1140 27.6 42.15°C 0.978
12.002V 5.045V 3.346V 5.017V 460.842 49.13°C 230.23V
6 37.480A 5.951A 5.924A 2.000A 509.454 91.852% 1609 37.0 42.32°C 0.984
11.997V 5.042V 3.343V 4.999V 554.648 50.21°C 230.23V
7 43.828A 6.948A 6.918A 2.209A 594.784 91.362% 2029 42.9 43.16°C 0.985
11.994V 5.038V 3.340V 4.980V 651.019 51.70°C 230.23V
8 50.180A 7.948A 7.910A 2.419A 680.118 90.888% 2042 43.1 43.77°C 0.987
11.991V 5.035V 3.336V 4.962V 748.305 52.76°C 230.23V
9 56.940A 8.446A 8.400A 2.425A 765.039 90.409% 2048 43.2 44.52°C 0.988
11.987V 5.032V 3.333V 4.949V 846.195 53.98°C 230.24V
10 63.436A 8.950A 8.920A 3.051A 849.871 89.742% 2056 43.3 45.86°C 0.989
11.983V 5.029V 3.330V 4.918V 947.015 56.04°C 230.24V
11 70.520A 8.954A 8.926A 3.058A 934.624 89.177% 2062 43.4 46.70°C 0.990
11.981V 5.027V 3.328V 4.907V 1048.057 57.46°C 230.24V
CL1 0.117A 12.002A 11.998A 0.000A 102.089 83.922% 822 17.0 42.40°C 0.877
12.018V 5.042V 3.348V 5.090V 121.648 49.60°C 230.25V
CL2 70.846A 1.000A 0.998A 1.000A 862.314 90.338% 2057 43.3 45.78°C 0.989
11.983V 5.041V 3.339V 4.992V 954.542 55.86°C 230.25V

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 1.235A 0.494A 0.490A 0.195A 19.990 66.921% 780 15.3 0.834
12.019V 5.062V 3.362V 5.118V 29.871 115.11V
2 2.470A 0.987A 0.981A 0.392A 39.979 78.127% 783 15.6 0.923
12.018V 5.060V 3.361V 5.109V 51.172 115.11V
3 3.708A 1.483A 1.473A 0.588A 60.010 83.182% 785 15.7 0.962
12.017V 5.059V 3.360V 5.101V 72.143 115.11V
4 4.940A 1.976A 1.964A 0.786A 79.962 85.063% 787 15.9 0.968
12.018V 5.058V 3.359V 5.092V 94.003 115.10V

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 1.235A 0.492A 0.491A 0.195A 19.984 67.607% 784 15.6 0.539
12.020V 5.062V 3.362V 5.119V 29.559 230.22V
2 2.469A 0.988A 0.982A 0.391A 39.972 79.124% 785 15.7 0.678
12.019V 5.060V 3.361V 5.110V 50.518 230.22V
3 3.708A 1.482A 1.471A 0.588A 60.003 83.970% 785 15.7 0.761
12.018V 5.059V 3.360V 5.102V 71.458 230.22V
4 4.939A 1.977A 1.965A 0.785A 79.954 86.526% 789 15.9 0.812
12.018V 5.058V 3.359V 5.093V 92.405 230.23V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load11.60mV7.60mV13.70mV8.40mVPass
20% Load15.20mV7.60mV13.50mV8.80mVPass
30% Load14.50mV8.30mV14.00mV8.60mVPass
40% Load13.10mV11.50mV15.40mV9.20mVPass
50% Load13.00mV12.50mV16.00mV9.90mVPass
60% Load12.30mV10.70mV15.00mV10.60mVPass
70% Load12.80mV10.40mV14.80mV12.20mVPass
80% Load14.00mV11.50mV15.70mV13.00mVPass
90% Load14.40mV12.60mV16.50mV13.50mVPass
100% Load28.30mV16.90mV34.70mV16.30mVPass
110% Load30.20mV18.30mV35.80mV17.00mVPass
Crossload116.60mV10.60mV20.30mV8.10mVPass
Crossload224.20mV14.20mV19.80mV15.10mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load13.30mV7.80mV13.30mV8.70mVPass
20% Load17.50mV8.10mV13.60mV8.70mVPass
30% Load16.60mV9.00mV12.90mV8.70mVPass
40% Load14.80mV11.70mV15.30mV9.00mVPass
50% Load12.40mV12.70mV17.40mV9.50mVPass
60% Load12.70mV10.80mV16.30mV10.10mVPass
70% Load13.20mV10.90mV15.90mV10.40mVPass
80% Load14.20mV11.80mV16.80mV10.70mVPass
90% Load14.70mV12.90mV16.90mV10.90mVPass
100% Load23.40mV14.30mV18.70mV12.30mVPass
110% Load26.80mV15.00mV19.60mV13.10mVPass
Crossload117.00mV10.50mV18.80mV7.80mVPass
Crossload224.00mV13.10mV19.00mV11.90mVPass

The results above are not used in the certification process

Cooler Master MWE Gold 850 V2 (GX Gold 850)

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
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