CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Cooler Master MWE Gold 750 V2 (GX Gold 750) (#2)
Serial Number
Lab IDCM75002260
  • Report: 23PS2260A
  • Receipt Date: Sep 27, 2023
  • Test Date: Oct 13, 2023
  • Report Date: Oct 16, 2023
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-7501-AFAAG
Serial Number
DUT NotesThe unit doesn't have 12VHPWR

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)10-5
Rated Frequency (Hz)50-60
Rated Power (W)750
TypeATX12V
Cooling120mm Fluid Dynamic Bearing Fan
(HA1225H12F-Z)
Semi-Passive Operation✗
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202062.530.3
Watts100750153.6
Total Max. Power (W)750

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 18AWG No
4+4 pin EPS12V (610mm) 1 1 18AWG No
8 pin EPS12V (660mm) 1 1 18AWG No
6+2 pin PCIe (550mm+125mm) 2 4 16-18AWG No
SATA (510mm+120mm+120mm+120mm) 3 12 18AWG No
4-pin Molex (500mm+120mm+120mm+120mm) 1 4 18AWG No
AC Power Cord (1410mm) - 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)24.6
AC Loss to PWR_OK Hold Up Time (ms)22
PWR_OK Inactive to DC Loss Delay (ms)2.6

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 114.93 V 114.88 V 113.85 V 114.97 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.98 Hz 59.40 Hz 60.02 Hz 60.60 Hz PASS
Mains Voltage CF: 1.417 1.415 1.340 1.422 1.490 PASS
Mains Voltage THD: 0.14 % 0.11 % N/A 0.19 % 2.00 % PASS
Real Power: 0.047 W 0.011 W N/A 0.074 W N/A N/A
Apparent Power: 8.280 W 8.256 W N/A 8.303 W N/A N/A
Power Factor: 0.008 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 229.88 V 229.83 V 227.70 V 229.95 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: 1.416 1.415 1.340 1.419 1.490 PASS
Mains Voltage THD: 0.18 % 0.15 % N/A 0.21 % 2.00 % PASS
Real Power: 0.133 W 0.106 W N/A 0.166 W N/A N/A
Apparent Power: 28.017 W 27.994 W N/A 28.046 W N/A N/A
Power Factor: 0.005 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 0.23W 66.539% 0.041
5.123V 0.346W 114.91V
2 0.09A 0.461W 72.963% 0.074
5.122V 0.632W 114.93V
3 0.55A 2.81W 81.429% 0.294
5.108V 3.451W 114.92V
4 1A 5.096W 81.381% 0.376
5.095V 6.262W 114.92V
5 1.5A 7.622W 81.981% 0.427
5.08V 9.298W 114.93V
6 3A 15.111W 78.688% 0.491
5.037V 19.205W 114.92V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.23W 53.249% 0.015
5.123V 0.432W 229.88V
2 0.09A 0.461W 63.321% 0.026
5.122V 0.729W 229.87V
3 0.55A 2.81W 78.876% 0.119
5.108V 3.563W 229.88V
4 1A 5.096W 80.622% 0.193
5.095V 6.322W 229.88V
5 1.5A 7.622W 81.319% 0.24
5.081V 9.374W 229.88V
6 3A 15.112W 79.869% 0.349
5.037V 18.921W 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% 4.420A 1.981A 2.001A 0.984A 75.007 85.151% 771 16.7 40.44°C 0.974
12.083V 5.049V 3.299V 5.084V 88.087 44.54°C 114.9V
20% 9.856A 2.972A 3.004A 1.184A 149.958 89.008% 772 16.7 40.91°C 0.984
12.080V 5.048V 3.296V 5.066V 168.478 45.19°C 114.89V
30% 15.642A 3.468A 3.507A 1.387A 224.966 90.307% 773 16.7 41.01°C 0.986
12.077V 5.046V 3.294V 5.049V 249.105 45.72°C 114.86V
40% 21.438A 3.964A 4.011A 1.59A 300.061 90.594% 776 16.8 41.92°C 0.99
12.075V 5.045V 3.291V 5.032V 331.216 46.98°C 114.85V
50% 26.840A 4.957A 5.016A 1.795A 374.557 90.295% 780 16.8 42.49°C 0.993
12.074V 5.044V 3.289V 5.013V 414.814 47.99°C 114.83V
60% 32.283A 5.95A 6.024A 2A 449.483 89.742% 1058 25 42.91°C 0.995
12.071V 5.042V 3.287V 4.995V 500.862 48.99°C 114.81V
70% 37.728A 6.946A 7.036A 2.211A 524.396 89.078% 1497 35 43.12°C 0.996
12.067V 5.04V 3.283V 4.976V 588.692 50.24°C 114.8V
80% 43.241A 7.941A 8.045A 2.319A 599.593 88.354% 1716 38.3 43.88°C 0.997
12.065V 5.038V 3.281V 4.96V 678.621 52.02°C 114.78V
90% 49.078A 8.439A 8.538A 2.427A 674.615 87.626% 1719 38.3 44.57°C 0.997
12.064V 5.037V 3.279V 4.944V 769.878 53.61°C 114.77V
100% 54.726A 8.937A 9.063A 3.053A 749.831 86.711% 1724 38.4 45.68°C 0.997
12.062V 5.036V 3.277V 4.913V 864.746 55.69°C 114.73V
110% 60.245A 9.933A 10.167A 3.062A 824.864 85.64% 1731 38.5 46.88°C 0.998
12.060V 5.035V 3.275V 4.899V 963.176 57.78°C 114.72V
CL1 0.116A 11.933A 12.026A 0A 101.303 82.527% 789 17 44.2°C 0.985
12.085V 5.046V 3.3V 5.089V 122.751 49.61°C 114.9V
CL2 0.116A 19.825A 0A 0A 101.415 80.321% 783 16.9 43.52°C 0.988
12.087V 5.045V 3.303V 5.098V 126.263 50.56°C 114.89V
CL3 0.115A 0A 20.003A 0A 67.379 75.049% 781 16.9 41.46°C 0.974
12.082V 5.047V 3.299V 5.093V 89.782 50.53°C 114.9V
CL4 62.138A 0A 0A 0A 749.787 87.512% 1723 38.4 46.26°C 0.997
12.066V 5.043V 3.279V 5.023V 856.783 57.19°C 114.74V

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% 4.420A 1.979A 2A 0.984A 75.007 86.428% 772 16.7 40.31°C 0.798
12.081V 5.053V 3.3V 5.084V 86.786 44.56°C 229.87V
20% 9.856A 2.97A 3.002A 1.184A 149.957 90.5% 775 16.8 40.64°C 0.908
12.079V 5.051V 3.298V 5.066V 165.697 45.18°C 229.87V
30% 15.643A 3.465A 3.505A 1.387A 224.966 91.84% 776 16.8 41.38°C 0.944
12.077V 5.05V 3.296V 5.049V 244.955 46.49°C 229.85V
40% 21.439A 3.962A 4.008A 1.59A 300.068 92.264% 778 16.8 41.61°C 0.962
12.074V 5.049V 3.293V 5.031V 325.229 47.29°C 229.85V
50% 26.846A 4.954A 5.014A 1.795A 374.576 92.208% 783 16.9 42.43°C 0.973
12.072V 5.047V 3.291V 5.013V 406.228 48.44°C 229.84V
60% 32.286A 5.946A 6.021A 2A 449.509 91.988% 1158 27.6 42.89°C 0.977
12.070V 5.046V 3.289V 4.994V 488.663 49.45°C 229.83V
70% 37.734A 6.941A 7.033A 2.211A 524.423 91.566% 1688 37.9 43.26°C 0.982
12.067V 5.043V 3.285V 4.975V 572.726 50.33°C 229.82V
80% 43.246A 7.935A 8.041A 2.319A 599.606 91.169% 1713 38.2 43.8°C 0.985
12.064V 5.041V 3.283V 4.959V 657.687 52.01°C 229.81V
90% 49.086A 8.433A 8.533A 2.428A 674.614 90.763% 1721 38.3 44.84°C 0.986
12.063V 5.041V 3.281V 4.944V 743.277 53.87°C 229.8V
100% 54.732A 8.931A 9.058A 3.054A 749.815 90.212% 1726 38.4 45.01°C 0.987
12.060V 5.039V 3.278V 4.913V 831.165 55.06°C 229.79V
110% 60.250A 9.927A 10.163A 3.062A 824.827 89.617% 1732 38.5 46.66°C 0.988
12.058V 5.038V 3.276V 4.899V 920.396 57.58°C 229.78V
CL1 0.116A 11.925A 12.02A 0A 101.296 83.856% 793 17.1 45.18°C 0.864
12.084V 5.049V 3.302V 5.089V 120.799 50.64°C 229.87V
CL2 0.116A 19.808A 0A 0A 101.413 81.554% 786 16.9 43.86°C 0.869
12.087V 5.05V 3.305V 5.098V 124.352 51.01°C 229.87V
CL3 0.115A 0A 19.958A 0A 67.378 76.195% 790 17.0 42.84°C 0.802
12.082V 5.056V 3.306V 5.093V 88.428 51.88°C 229.88V
CL4 62.138A 0A 0A 0A 749.755 91.125% 1727 38.4 46.73°C 0.987
12.066V 5.046V 3.28V 5.023V 822.775 57.66°C 229.79V

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 1.224A 0.495A 0.5A 0.195A 20.003 67.868% 761 16.5 37.04°C 0.841
12.142V 5.048V 3.298V 5.117V 29.475 40.09°C 114.91V
40W 2.708A 0.693A 0.7A 0.294A 40.003 79.636% 760 16.5 37.92°C 0.925
12.074V 5.048V 3.298V 5.111V 50.233 41.22°C 114.91V
60W 4.184A 0.891A 0.901A 0.392A 60.004 83.75% 763 16.5 38.2°C 0.956
12.079V 5.048V 3.298V 5.105V 71.648 41.74°C 114.9V
80W 5.656A 1.089A 1.101A 0.49A 79.962 86.1% 765 16.6 38.88°C 0.973
12.080V 5.049V 3.298V 5.099V 92.871 42.79°C 114.9V

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 1.226A 0.495A 0.5A 0.195A 20.002 68.725% 763 16.5 36.72°C 0.524
12.115V 5.052V 3.3V 5.117V 29.101 39.78°C 229.88V
40W 2.708A 0.693A 0.7A 0.294A 40.002 80.894% 763 16.5 37.67°C 0.666
12.074V 5.052V 3.3V 5.111V 49.446 41.05°C 229.88V
60W 4.183A 0.891A 0.9A 0.392A 60.002 85.207% 766 16.6 38.33°C 0.755
12.080V 5.053V 3.3V 5.105V 70.417 41.84°C 229.88V
80W 5.656A 1.088A 1.1A 0.49A 79.957 87.552% 768 16.6 39.31°C 0.808
12.080V 5.053V 3.3V 5.099V 91.323 43.09°C 229.88V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load22.18mV9.70mV9.31mV6.96mVPass
20% Load25.10mV10.21mV10.64mV6.96mVPass
30% Load18.60mV10.88mV10.28mV7.47mVPass
40% Load17.37mV10.37mV11.45mV7.47mVPass
50% Load18.03mV11.75mV12.48mV7.98mVPass
60% Load15.02mV10.73mV12.84mV9.31mVPass
70% Load15.68mV12.11mV14.06mV8.65mVPass
80% Load15.64mV12.10mV15.03mV8.95mVPass
90% Load17.29mV12.67mV15.55mV9.42mVPass
100% Load28.23mV13.89mV17.91mV11.41mVPass
110% Load31.86mV14.59mV18.05mV12.69mVPass
Crossload127.04mV11.16mV14.73mV7.45mVPass
Crossload222.33mV10.98mV11.10mV6.35mVPass
Crossload320.18mV7.30mV13.35mV7.42mVPass
Crossload427.61mV11.98mV14.49mV10.05mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load27.81mV9.24mV9.05mV7.11mVPass
20% Load29.66mV13.28mV11.76mV7.78mVPass
30% Load21.22mV10.32mV10.23mV9.11mVPass
40% Load19.27mV10.11mV11.71mV7.73mVPass
50% Load19.37mV11.54mV12.22mV7.98mVPass
60% Load16.91mV11.13mV12.88mV8.19mVPass
70% Load16.40mV11.44mV13.29mV8.29mVPass
80% Load16.40mV13.28mV14.78mV8.70mVPass
90% Load17.99mV13.79mV16.21mV9.57mVPass
100% Load28.96mV13.85mV16.91mV11.36mVPass
110% Load30.13mV14.75mV18.13mV11.66mVPass
Crossload131.73mV10.97mV13.60mV7.75mVPass
Crossload228.22mV10.62mV11.20mV7.32mVPass
Crossload326.33mV7.61mV12.68mV7.42mVPass
Crossload428.43mV12.60mV14.70mV10.31mVPass

The results above are not used in the certification process

Cooler Master MWE Gold 750 V2 (GX Gold 750) (#2)

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