CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Cooler Master GXII 750W (ATX v3.1) (MWE Gold 750 V3)
Serial NumberPS57513CD240220044BA1GZ
Lab IDCM75002512
  • Report: 24PS2512A
  • Receipt Date: Jun 25, 2024
  • Test Date: Jul 22, 2024
  • Report Date: Jul 31, 2024
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandCooler Master
Manufacturer (OEM)Lite-on
SeriesGXII
Model NumberMPX-7503-AFAG
Serial NumberPS57513CD240220044BA1GZ
DUT Notes

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
Watts120750153.6
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 24 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 (550mm+120mm+120mm+120mm) 2 8 20AWG No
4-pin Molex (500mm+120mm+120mm+120mm) 1 4 20AWG No
AC Power Cord (1385mm) - 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)22.7
AC Loss to PWR_OK Hold Up Time (ms)19
PWR_OK Inactive to DC Loss Delay (ms)3.7

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.08 V 115.04 V 113.85 V 115.12 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 0.17 % 2.00 % PASS
Real Power: 0.092 W 0.012 W N/A 0.114 W N/A N/A
Apparent Power: 7.873 W 7.449 W N/A 8.307 W N/A N/A
Power Factor: 0.012 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 231.02 V 230.92 V 227.70 V 231.10 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 % 0.15 % N/A 0.28 % 2.00 % PASS
Real Power: 0.133 W 0.108 W N/A 0.194 W N/A N/A
Apparent Power: 25.690 W 25.082 W N/A 26.354 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 0.231W 62.579% 0.048
5.149V 0.37W 114.87V
2 0.09A 0.463W 72.371% 0.081
5.147V 0.639W 114.87V
3 0.55A 2.819W 82.967% 0.262
5.127V 3.398W 114.87V
4 1A 5.107W 83.159% 0.319
5.108V 6.142W 114.87V
5 1.5A 7.63W 83.046% 0.348
5.088V 9.189W 114.86V
6 2.999A 15.075W 81.669% 0.39
5.026V 18.458W 114.86V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231W 56.096% 0.016
5.148V 0.413W 229.94V
2 0.09A 0.463W 67.523% 0.027
5.146V 0.688W 229.94V
3 0.55A 2.819W 81.287% 0.123
5.127V 3.469W 229.94V
4 1A 5.107W 82.786% 0.187
5.107V 6.169W 229.94V
5 1.5A 7.629W 82.968% 0.238
5.086V 9.192W 229.94V
6 3A 15.071W 82.486% 0.315
5.024V 18.271W 229.94V

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 1.97A 1.972A 0.98A 74.997 90.276% 0 <6.0 44.49°C 0.96
12.083V 5.076V 3.347V 5.104V 83.093 40.31°C 114.85V
20% 9.856A 2.961A 2.969A 1.179A 149.924 92.216% 0 <6.0 45.2°C 0.978
12.077V 5.066V 3.335V 5.087V 162.562 40.52°C 114.83V
30% 15.646A 3.46A 3.475A 1.38A 224.922 92.479% 0 <6.0 47.37°C 0.986
12.072V 5.057V 3.324V 5.072V 243.181 41.47°C 114.8V
40% 21.449A 3.962A 3.984A 1.582A 300.005 92.049% 0 <6.0 49.99°C 0.991
12.066V 5.048V 3.313V 5.055V 325.646 41.85°C 114.69V
50% 26.859A 4.962A 4.999A 1.787A 374.389 91.081% 1262 25.6 42.41°C 0.993
12.059V 5.039V 3.301V 5.037V 411.048 47.26°C 114.75V
60% 32.320A 5.965A 6.022A 1.993A 449.3 90.357% 1262 25.6 42.67°C 0.995
12.051V 5.03V 3.288V 5.019V 496.857 48.15°C 114.64V
70% 37.789A 6.974A 7.053A 2.2A 524.233 89.401% 1264 25.7 43.11°C 0.996
12.044V 5.02V 3.275V 5.001V 584.847 50.4°C 114.44V
80% 43.331A 7.984A 8.092A 2.306A 599.432 88.204% 1314 27.2 43.98°C 0.996
12.036V 5.01V 3.262V 4.987V 679.568 49.87°C 114.66V
90% 49.214A 8.498A 8.611A 2.413A 674.481 87.115% 2555 45.4 44.5°C 0.997
12.029V 5.001V 3.251V 4.974V 774.302 49.97°C 114.64V
100% 54.902A 9.014A 9.167A 3.038A 749.695 86.061% 2864 48.5 45.11°C 0.997
12.021V 4.992V 3.24V 4.938V 870.431 51.41°C 114.52V
110% 60.466A 10.036A 10.321A 3.044A 824.705 84.821% 2863 48.5 46.1°C 0.997
12.013V 4.982V 3.226V 4.928V 971.475 53.82°C 114.4V
CL1 0.115A 14.309A 14.487A 0A 121.287 84.989% 0 <6.0 52.43°C 0.975
12.068V 5.046V 3.292V 5.129V 142.703 40.78°C 114.83V
CL2 0.114A 19.775A 0A 0A 101.356 83.83% 0 <6.0 52.27°C 0.97
12.080V 5.055V 3.322V 5.141V 120.9 40.32°C 114.84V
CL3 0.114A 0A 20.087A 0A 67.377 77.385% 0 <6.0 52.72°C 0.961
12.077V 5.024V 3.285V 5.137V 87.076 40.52°C 114.85V
CL4 62.259A 0A 0A 0A 749.488 86.826% 2860 48.5 45.32°C 0.997
12.038V 4.996V 3.27V 5.085V 861.712 51.55°C 114.43V

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% 4.418A 1.969A 1.974A 0.979A 74.991 91.261% 0 <6.0 45.13°C 0.927
12.085V 5.077V 3.344V 5.105V 82.153 40.19°C 229.93V
20% 9.853A 2.96A 2.971A 1.179A 149.909 93.499% 0 <6.0 46.65°C 0.962
12.079V 5.068V 3.332V 5.088V 160.333 40.78°C 229.92V
30% 15.643A 3.459A 3.478A 1.38A 224.904 93.941% 0 <6.0 48.52°C 0.971
12.073V 5.058V 3.321V 5.072V 239.45 41.47°C 229.9V
40% 21.447A 3.961A 3.988A 1.582A 299.986 93.876% 0 <6.0 51.43°C 0.977
12.066V 5.049V 3.31V 5.055V 319.56 41.71°C 229.89V
50% 26.851A 4.96A 5.004A 1.787A 374.316 93.196% 1262 25.6 42.42°C 0.983
12.059V 5.04V 3.298V 5.037V 401.646 46.64°C 229.88V
60% 32.314A 5.963A 6.028A 1.992A 449.228 92.779% 1262 25.6 42.87°C 0.986
12.051V 5.031V 3.285V 5.019V 484.193 47.5°C 229.87V
70% 37.784A 6.972A 7.061A 2.199A 524.168 92.205% 1630 33.1 43.27°C 0.988
12.044V 5.021V 3.272V 5V 568.534 48.91°C 229.86V
80% 43.329A 7.983A 8.102A 2.306A 599.387 91.546% 1933 37.7 43.56°C 0.99
12.036V 5.01V 3.258V 4.986V 654.749 48.89°C 229.84V
90% 49.215A 8.499A 8.622A 2.413A 674.451 90.847% 2403 43.7 44.15°C 0.992
12.028V 5V 3.247V 4.973V 742.394 49.53°C 229.83V
100% 54.905A 9.017A 9.179A 3.038A 749.671 89.997% 2862 48.5 45.17°C 0.993
12.020V 4.99V 3.236V 4.937V 833.018 49.9°C 229.82V
110% 60.471A 10.04A 10.335A 3.044A 824.691 89.243% 2859 48.5 46.56°C 0.994
12.012V 4.98V 3.222V 4.927V 924.15 52.26°C 229.81V
CL1 0.114A 14.312A 14.501A 0A 121.284 86.039% 0 <6.0 48.62°C 0.958
12.067V 5.045V 3.289V 5.129V 140.979 40.43°C 229.93V
CL2 0.114A 19.777A 0A 0A 101.351 84.919% 0 <6.0 50.94°C 0.951
12.079V 5.055V 3.32V 5.14V 119.375 40.75°C 229.93V
CL3 0.114A 0A 20.101A 0A 67.375 78.28% 0 <6.0 51.76°C 0.931
12.076V 5.027V 3.283V 5.137V 86.031 40.57°C 229.93V
CL4 62.263A 0A 0A 0A 749.481 90.868% 2857 48.5 45.55°C 0.993
12.037V 4.998V 3.268V 5.084V 824.767 50.15°C 229.82V

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 1.228A 0.492A 0.491A 0.194A 19.994 82.444% 0 <6.0 39.61°C 0.898
12.087V 5.084V 3.358V 5.143V 24.284 36.57°C 114.86V
40W 2.704A 0.689A 0.688A 0.292A 39.995 87.176% 0 <6.0 40.21°C 0.941
12.085V 5.082V 3.355V 5.138V 45.915 37.08°C 114.86V
60W 4.181A 0.886A 0.886A 0.39A 59.995 89.501% 0 <6.0 41.83°C 0.953
12.084V 5.079V 3.352V 5.132V 67.014 38.24°C 114.86V
80W 5.652A 1.083A 1.084A 0.488A 79.934 91.067% 0 <6.0 42.95°C 0.961
12.084V 5.076V 3.349V 5.126V 87.787 39.1°C 114.84V

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 1.228A 0.492A 0.492A 0.194A 19.989 80.501% 0 <6.0 39.52°C 0.571
12.088V 5.085V 3.355V 5.143V 24.384 36.44°C 229.95V
40W 2.704A 0.689A 0.689A 0.292A 39.989 88.283% 0 <6.0 40.64°C 0.824
12.087V 5.083V 3.352V 5.138V 45.342 37.38°C 229.94V
60W 4.180A 0.886A 0.887A 0.39A 59.989 90.663% 0 <6.0 42.14°C 0.903
12.086V 5.08V 3.35V 5.132V 66.184 38.38°C 229.93V
80W 5.651A 1.083A 1.085A 0.488A 79.922 92.242% 0 <6.0 43.17°C 0.932
12.085V 5.078V 3.347V 5.126V 86.698 39.11°C 229.92V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load25.26mV12.62mV11.58mV7.85mVPass
20% Load25.62mV12.21mV11.43mV8.15mVPass
30% Load27.07mV12.57mV12.31mV8.62mVPass
40% Load28.67mV14.68mV12.51mV8.52mVPass
50% Load30.47mV13.39mV16.81mV8.73mVPass
60% Load33.51mV13.91mV19.70mV9.08mVPass
70% Load34.59mV14.22mV14.53mV10.48mVPass
80% Load36.04mV14.22mV14.63mV10.53mVPass
90% Load39.03mV14.99mV16.24mV11.46mVPass
100% Load65.50mV18.81mV17.44mV15.46mVPass
110% Load51.18mV16.60mV18.52mV16.29mVPass
Crossload137.02mV15.46mV15.16mV17.62mVPass
Crossload232.64mV20.20mV13.39mV18.74mVPass
Crossload334.44mV14.63mV16.44mV18.58mVPass
Crossload448.38mV15.53mV15.72mV18.34mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load24.54mV14.01mV12.57mV8.62mVPass
20% Load24.33mV13.19mV12.77mV8.83mVPass
30% Load26.86mV13.70mV12.36mV9.09mVPass
40% Load28.97mV14.37mV14.01mV8.88mVPass
50% Load30.42mV13.65mV17.11mV8.93mVPass
60% Load32.33mV14.32mV18.41mV9.45mVPass
70% Load34.39mV13.96mV15.00mV9.86mVPass
80% Load37.43mV14.27mV14.94mV10.63mVPass
90% Load49.39mV16.48mV16.34mV11.36mVPass
100% Load58.91mV18.04mV17.04mV14.78mVPass
110% Load53.16mV16.97mV18.71mV15.84mVPass
Crossload135.81mV15.47mV14.64mV17.40mVPass
Crossload232.33mV19.47mV12.83mV18.07mVPass
Crossload332.28mV13.29mV16.65mV18.43mVPass
Crossload455.49mV18.56mV15.77mV17.88mVPass

The results above are not used in the certification process

Cooler Master GXII 750W (ATX v3.1) (MWE Gold 750 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