CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Cooler Master XG 850 (#2)
Serial NumberMPG8501AFBAPEU2234400001
Lab IDCM85002310
  • Report: 23PS2310A
  • Receipt Date: Nov 27, 2023
  • Test Date: Dec 18, 2023
  • Report Date: Dec 19, 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)
SeriesXG
Model NumberMPG-8501-AFBAP
Serial NumberMPG8501AFBAPEU2234400001
DUT NotesNo 12VHPWR

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)12-6
Rated Frequency (Hz)50-60
Rated Power (W)850
TypeATX12V
Cooling140mm Fluid Dynamic Bearing Fan
(EFC-14E12D)
Semi-Passive Operation✓ (selectable)
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 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 (650mm) 1 1 18AWG No
4+4 pin EPS12V (650mm) 1 1 18AWG No
8 pin EPS12V (650mm) 1 1 18AWG No
6+2 pin PCIe (550mm+120mm) 3 6 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 (1380mm) - 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)25.1
AC Loss to PWR_OK Hold Up Time (ms)20.6
PWR_OK Inactive to DC Loss Delay (ms)4.5

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 114.92 V 114.83 V 113.85 V 115.01 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.97 Hz 59.40 Hz 60.02 Hz 60.60 Hz PASS
Mains Voltage CF: 1.421 1.419 1.340 1.423 1.490 PASS
Mains Voltage THD: 0.29 % 0.21 % N/A 0.39 % 2.00 % PASS
Real Power: 0.050 W 0.041 W N/A 0.059 W N/A N/A
Apparent Power: 6.302 W 6.288 W N/A 6.320 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 229.78 V 227.70 V 229.98 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 1.415 1.340 1.419 1.490 PASS
Mains Voltage THD: 0.19 % 0.14 % N/A 0.27 % 2.00 % PASS
Real Power: 0.090 W 0.064 W N/A 0.136 W N/A N/A
Apparent Power: 21.367 W 21.341 W N/A 21.400 W N/A N/A
Power Factor: 0.004 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 57.199% 0.032
5.11V 0.205W 114.91V
2 0.09A 0.46W 76.363% 0.092
5.109V 0.603W 114.91V
3 0.55A 2.804W 82.581% 0.328
5.099V 3.396W 114.91V
4 1A 5.089W 82.443% 0.407
5.089V 6.173W 114.91V
5 1.5A 7.618W 82.189% 0.443
5.079V 9.269W 114.91V
6 3A 15.136W 80.452% 0.498
5.046V 18.813W 114.91V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.23W 58.726% 0.016
5.11V 0.351W 229.89V
2 0.09A 0.46W 69.889% 0.031
5.109V 0.659W 229.88V
3 0.55A 2.804W 80.283% 0.148
5.099V 3.492W 229.88V
4 1A 5.089W 82.029% 0.228
5.089V 6.204W 229.88V
5 1.5A 7.619W 82.45% 0.29
5.079V 9.24W 229.88V
6 3A 15.137W 81.976% 0.377
5.046V 18.465W 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% 5.252A 1.995A 1.994A 0.984A 85 85.812% 0 <6.0 44.82°C 0.95
12.069V 5.013V 3.311V 5.084V 99.055 40.54°C 114.89V
20% 11.518A 2.993A 2.992A 1.183A 169.936 90.71% 0 <6.0 45.43°C 0.974
12.071V 5.011V 3.309V 5.073V 187.342 40.92°C 114.86V
30% 18.142A 3.492A 3.491A 1.383A 254.943 91.586% 0 <6.0 46.56°C 0.984
12.066V 5.011V 3.308V 5.063V 278.357 41.47°C 114.84V
40% 24.775A 3.992A 3.991A 1.583A 340.028 91.779% 0 <6.0 47.51°C 0.985
12.061V 5.01V 3.307V 5.052V 370.485 41.96°C 114.8V
50% 31.053A 4.991A 4.991A 1.785A 424.843 91.477% 0 <6.0 48.38°C 0.986
12.055V 5.009V 3.306V 5.042V 464.428 42.32°C 114.77V
60% 37.310A 5.992A 5.994A 1.988A 509.36 91.035% 478 7.5 42.78°C 0.988
12.049V 5.007V 3.304V 5.031V 559.517 49.33°C 114.74V
70% 43.634A 6.994A 6.997A 2.191A 594.675 90.497% 630 17.0 43.33°C 0.99
12.045V 5.005V 3.302V 5.021V 657.116 50.36°C 114.71V
80% 49.966A 7.994A 8A 2.294A 679.511 89.899% 657 18.3 43.71°C 0.991
12.040V 5.003V 3.3V 5.012V 755.86 51.77°C 114.68V
90% 56.703A 8.496A 8.488A 2.398A 764.93 89.246% 748 22.7 44.91°C 0.992
12.036V 5.002V 3.299V 5.003V 857.101 54.01°C 114.64V
100% 63.173A 8.998A 9.007A 3.01A 849.746 88.522% 823 25.7 45.92°C 0.993
12.031V 5V 3.297V 4.983V 959.93 55.98°C 114.61V
110% 69.512A 10.002A 10.105A 3.014A 934.329 87.716% 1241 37.8 47.27°C 0.994
12.028V 4.998V 3.295V 4.977V 1065.173 58.19°C 114.57V
CL1 0.114A 12.039A 12.043A 0A 101.274 83.339% 0 <6.0 45.98°C 0.955
12.078V 5V 3.297V 5.1V 121.523 40.57°C 114.87V
CL2 0.114A 19.986A 0A 0A 101.328 80.28% 0 <6.0 47.34°C 0.957
12.078V 5.001V 3.308V 5.102V 126.222 40.25°C 114.87V
CL3 0.114A 0A 20.033A 0A 67.39 74.606% 0 <6.0 50.32°C 0.939
12.068V 5.009V 3.295V 5.102V 90.326 41.31°C 114.88V
CL4 70.566A 0A 0A 0A 849.444 89.384% 944 29.8 45.11°C 0.993
12.038V 5.018V 3.315V 5.055V 950.324 56.01°C 114.62V

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% 5.254A 1.994A 1.993A 0.984A 84.997 86.401% 0 <6.0 44.73°C 0.795
12.066V 5.015V 3.312V 5.083V 98.377 40.46°C 229.87V
20% 11.518A 2.992A 2.991A 1.183A 169.93 91.842% 0 <6.0 45.37°C 0.905
12.071V 5.013V 3.31V 5.073V 185.022 40.85°C 229.85V
30% 18.140A 3.491A 3.491A 1.383A 254.939 93.065% 0 <6.0 46.43°C 0.942
12.066V 5.012V 3.309V 5.062V 273.938 41.37°C 229.84V
40% 24.774A 3.991A 3.991A 1.584A 340.025 93.437% 0 <6.0 47.21°C 0.959
12.062V 5.011V 3.308V 5.052V 363.909 41.62°C 229.83V
50% 31.050A 4.991A 4.991A 1.785A 424.848 93.338% 223 <6.0 42.28°C 0.97
12.056V 5.01V 3.306V 5.041V 455.17 48.34°C 229.82V
60% 37.307A 5.992A 5.994A 1.988A 509.384 93.112% 494 8.5 42.77°C 0.975
12.050V 5.008V 3.304V 5.031V 547.066 49.29°C 229.81V
70% 43.630A 6.993A 6.997A 2.191A 594.7 92.787% 629 17.0 43.06°C 0.979
12.046V 5.005V 3.302V 5.02V 640.925 50.16°C 229.79V
80% 49.963A 7.993A 8A 2.295A 679.537 92.448% 649 18.0 43.67°C 0.981
12.042V 5.004V 3.3V 5.012V 735.047 51.71°C 229.78V
90% 56.697A 8.494A 8.488A 2.399A 764.953 92.055% 923 29.0 44.77°C 0.983
12.037V 5.002V 3.299V 5.003V 830.978 53.86°C 229.76V
100% 63.170A 8.997A 9.007A 3.01A 849.769 91.536% 1168 35.7 45.2°C 0.985
12.033V 5.001V 3.298V 4.983V 928.337 55.31°C 229.74V
110% 69.507A 10A 10.105A 3.014A 934.346 90.983% 1432 41.1 46.77°C 0.986
12.029V 4.999V 3.296V 4.976V 1026.947 57.7°C 229.73V
CL1 0.116A 12.039A 12.046A 0A 101.298 84.119% 0 <6.0 46.64°C 0.838
12.067V 5V 3.296V 5.099V 120.427 41.14°C 229.87V
CL2 0.115A 19.988A 0A 0A 101.343 81.585% 0 <6.0 47.19°C 0.844
12.070V 5.001V 3.308V 5.101V 124.22 40.1°C 229.87V
CL3 0.115A 0A 20.037A 0A 67.399 75.031% 0 <6.0 49.81°C 0.777
12.061V 5.008V 3.295V 5.101V 89.831 40.79°C 229.88V
CL4 70.607A 0A 0A 0A 849.538 92.219% 1130 34.7 45.4°C 0.985
12.032V 5.018V 3.314V 5.054V 921.21 56.35°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 1.226A 0.498A 0.498A 0.196A 19.997 67.262% 0 <6.0 39.72°C 0.775
12.102V 5.015V 3.313V 5.106V 29.728 36.67°C 114.91V
40W 2.708A 0.698A 0.697A 0.294A 39.996 79.229% 0 <6.0 41.05°C 0.879
12.075V 5.015V 3.312V 5.102V 50.482 37.82°C 114.91V
60W 4.186A 0.897A 0.897A 0.392A 59.996 84.36% 0 <6.0 41.99°C 0.924
12.068V 5.015V 3.312V 5.099V 71.118 38.35°C 114.9V
80W 5.660A 1.097A 1.096A 0.491A 79.94 85.707% 0 <6.0 43.37°C 0.942
12.070V 5.014V 3.312V 5.095V 93.272 39.41°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 1.224A 0.498A 0.498A 0.196A 19.991 66.572% 0 <6.0 39.85°C 0.527
12.118V 5.017V 3.314V 5.105V 29.573 36.78°C 229.88V
40W 2.706A 0.698A 0.697A 0.294A 39.992 80.063% 0 <6.0 41.28°C 0.614
12.080V 5.017V 3.314V 5.102V 49.947 37.99°C 229.88V
60W 4.186A 0.897A 0.896A 0.392A 59.991 85.156% 0 <6.0 42.29°C 0.712
12.069V 5.016V 3.313V 5.098V 70.448 38.78°C 229.87V
80W 5.660A 1.096A 1.095A 0.491A 79.933 86.383% 0 <6.0 42.87°C 0.782
12.067V 5.016V 3.313V 5.095V 92.534 39.02°C 229.86V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load32.35mV8.84mV9.72mV12.63mVPass
20% Load21.66mV8.94mV10.38mV11.97mVPass
30% Load15.64mV8.79mV9.21mV11.10mVPass
40% Load17.55mV9.45mV10.18mV13.20mVPass
50% Load17.39mV9.09mV9.46mV12.17mVPass
60% Load17.40mV10.27mV9.82mV12.33mVPass
70% Load18.47mV10.73mV10.38mV13.25mVPass
80% Load20.62mV10.98mV12.89mV14.53mVPass
90% Load21.18mV11.80mV13.30mV13.76mVPass
100% Load34.57mV13.05mV14.42mV15.96mVPass
110% Load34.64mV13.00mV14.81mV16.62mVPass
Crossload132.80mV12.61mV14.85mV11.82mVPass
Crossload222.68mV18.49mV10.03mV11.15mVPass
Crossload325.67mV11.39mV19.28mV11.51mVPass
Crossload432.40mV10.18mV10.95mV14.89mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load22.31mV8.48mV8.90mV10.49mVPass
20% Load21.71mV8.99mV9.26mV10.90mVPass
30% Load16.24mV8.84mV8.54mV10.79mVPass
40% Load15.50mV9.35mV9.46mV11.10mVPass
50% Load16.63mV9.96mV10.28mV11.82mVPass
60% Load16.06mV9.56mV10.23mV13.25mVPass
70% Load17.50mV10.53mV10.59mV14.32mVPass
80% Load18.52mV11.24mV14.02mV14.94mVPass
90% Load20.36mV12.88mV14.63mV13.86mVPass
100% Load32.53mV12.36mV15.17mV15.40mVPass
110% Load34.74mV13.33mV15.33mV15.61mVPass
Crossload130.96mV12.16mV15.20mV12.26mVPass
Crossload222.48mV18.65mV10.28mV12.07mVPass
Crossload320.05mV10.73mV18.16mV11.61mVPass
Crossload432.58mV10.19mV10.67mV16.27mVPass

The results above are not used in the certification process

Cooler Master XG 850 (#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