CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
MSI MPG A850G PCIE5
Serial Number
Lab IDMS85002404
  • Report: 24PS2404A
  • Receipt Date: Mar 13, 2024
  • Test Date: Apr 5, 2024
  • Report Date: Apr 8, 2024
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandMSI
Manufacturer (OEM)CWT
SeriesMPG A-G PCIE5
Model Number
Serial Number
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)10-5
Rated Frequency (Hz)50-60
Rated Power (W)850
TypeATX12V
Cooling135mm Fluid Dynamic Bearing Fan
(HA13525Η12SF-Z)
Semi-Passive Operation✓ (selectable)
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps222270.830.3
Watts120850153.6
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 (600mm) 1 1 18-22AWG No
4+4 pin EPS12V (750mm) 2 2 18AWG No
6+2 pin PCIe (600mm+150mm) 2 4 16-18AWG No
2x 6+2 pin PCIe (600mm) 1 2 16-18AWG No
12+4 pin PCIe (590mm) (600W) 1 1 16-26AWG No
SATA (500mm+150mm+150mm) 2 6 18AWG No
SATA (500mm+150mm) 1 2 18AWG No
4-pin Molex (500mm+150mm+150mm+150mm) / FDD (+150mm) 1 4 / 1 18-20AWG No

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 RatingGOLD
Noise RatingA-
Average Efficiency (>1450 load combinations)88.498%
Average Noise Output (>1450 Load Combinations)28.69dBA
Average PF (>1450 Load Combinations)0.991
Efficiency With 10W (≤500W) or 2% (>500W) Load61.779%
Standby Power Consumption0.0175W
12V Ripple (Full Load)25.21mV
5V Ripple (Full Load)14.59mV
3.3V Ripple (Full Load)14.32mV
5VSB Ripple (Full Load)14.06mV
12V Load Regulation0.70%
5V Load Regulation0.50%
3.3V Load Regulation0.88%
5VSB Load Regulation1.31%
Inrush Current57.590A
Efficiency RatingGOLD
Noise RatingA-
Average Efficiency (>1450 load combinations)90.768%
Average Noise Output (>1450 Load Combinations)28.64dBA
Average PF (>1450 Load Combinations)0.965
Efficiency With 10W (≤500W) or 2% (>500W) Load60.631%
Standby Power Consumption0.0802W
12V Ripple (Full Load)26.51mV
5V Ripple (Full Load)15.39mV
3.3V Ripple (Full Load)14.10mV
5VSB Ripple (Full Load)13.94mV
12V Load Regulation0.72%
5V Load Regulation0.56%
3.3V Load Regulation0.95%
5VSB Load Regulation1.35%
Inrush Current46.370A
12V Transient Response (200%)11.45V
5V Transient Response (200%)4.946V
3.3V Transient Response (200%)3.146V
5VSB Transient Response (200%)4.981V
Hold-Up Time & Power Ok Signal16.30ms
AC Loss to PWR_OK Hold Up Time13.90ms
PWR_OK Inactive to DC Loss Delay2.40ms
PSU Timings: T1 (20% / 100%)59.0ms59.0ms
PSU Timings: T3 (20% / 100%)124.0ms123.0ms
OPP (27.95°C / 42.90°C)126.19%126.20%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)16.3
AC Loss to PWR_OK Hold Up Time (ms)13.9
PWR_OK Inactive to DC Loss Delay (ms)2.4

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 114.87 V 114.82 V 113.85 V 114.92 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.99 Hz 59.40 Hz 60.02 Hz 60.60 Hz PASS
Mains Voltage CF: 1.419 1.417 1.340 1.422 1.490 PASS
Mains Voltage THD: 0.15 % 0.09 % N/A 0.29 % 2.00 % PASS
Real Power: 0.018 W 0.016 W N/A 0.019 W N/A N/A
Apparent Power: 10.103 W 10.085 W N/A 10.126 W N/A N/A
Power Factor: 0.002 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 229.98 V 229.90 V 227.70 V 230.03 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: 0.14 % 0.11 % N/A 0.21 % 2.00 % PASS
Real Power: 0.080 W 0.068 W N/A 0.097 W N/A N/A
Apparent Power: 34.101 W 34.074 W N/A 34.136 W N/A N/A
Power Factor: 0.002 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 0.229W 70.983% 0.032
5.096V 0.323W 114.86V
2 0.09A 0.459W 75.56% 0.059
5.095V 0.607W 114.86V
3 0.55A 2.796W 79.596% 0.273
5.084V 3.513W 114.87V
4 1A 5.073W 79.348% 0.381
5.073V 6.393W 114.86V
5 1.5A 7.592W 79.571% 0.43
5.061V 9.541W 114.86V
6 3A 15.077W 77.614% 0.512
5.025V 19.425W 114.86V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.229W 60.157% 0.011
5.095V 0.381W 229.94V
2 0.09A 0.459W 67.611% 0.02
5.094V 0.679W 229.94V
3 0.55A 2.796W 77.64% 0.102
5.083V 3.601W 229.94V
4 1A 5.073W 78.846% 0.17
5.072V 6.434W 229.94V
5 1.5A 7.592W 79.327% 0.232
5.06V 9.571W 229.94V
6 3.001A 15.076W 79.594% 0.331
5.025V 18.941W 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% 5.235A 1.98A 2.002A 0.987A 85.008 86.036% 0 <6.0 44.26°C 0.978
12.112V 5.05V 3.298V 5.064V 98.806 40.02°C 114.84V
20% 11.486A 2.972A 3.005A 1.187A 169.958 89.45% 0 <6.0 45.39°C 0.99
12.106V 5.049V 3.295V 5.054V 190.001 40.86°C 114.81V
30% 18.109A 3.467A 3.508A 1.37A 254.97 90.994% 0 <6.0 46.38°C 0.993
12.088V 5.048V 3.293V 5.112V 280.204 41.31°C 114.78V
40% 24.752A 3.963A 4.011A 1.564A 340.065 91.108% 0 <6.0 47.44°C 0.992
12.074V 5.048V 3.291V 5.117V 373.255 41.89°C 114.75V
50% 31.031A 4.955A 5.018A 1.762A 424.956 90.555% 393 <6.0 42.08°C 0.992
12.067V 5.047V 3.289V 5.108V 469.279 48.16°C 114.72V
60% 37.287A 5.948A 6.026A 1.962A 509.484 89.937% 496 9.2 42.78°C 0.993
12.060V 5.045V 3.286V 5.097V 566.492 49.29°C 114.7V
70% 43.616A 6.941A 7.036A 2.163A 594.796 89.163% 725 21.1 43°C 0.994
12.052V 5.044V 3.284V 5.087V 667.089 50.05°C 114.66V
80% 49.957A 7.933A 8.046A 2.265A 679.618 88.309% 923 29.2 43.84°C 0.994
12.045V 5.043V 3.281V 5.079V 769.592 51.9°C 114.63V
90% 56.701A 8.431A 8.54A 2.367A 765.034 87.423% 1202 37.0 44.85°C 0.995
12.037V 5.041V 3.279V 5.071V 875.091 53.87°C 114.59V
100% 63.176A 8.93A 9.064A 2.97A 849.76 86.503% 1496 43.3 45.83°C 0.996
12.031V 5.04V 3.277V 5.051V 982.35 55.87°C 114.56V
110% 69.529A 9.925A 10.17A 2.973A 934.264 85.38% 1769 47.7 46.56°C 0.996
12.024V 5.038V 3.274V 5.046V 1094.243 57.48°C 114.53V
CL1 0.115A 14.296A 14.485A 0A 121.288 83.269% 395 <6.0 40.73°C 0.988
12.104V 5.05V 3.293V 5.076V 145.657 46.24°C 114.82V
CL2 0.114A 21.747A 0A 0A 111.341 81.638% 394 <6.0 40.59°C 0.987
12.111V 5.056V 3.304V 5.082V 136.384 47.62°C 114.83V
CL3 0.114A 0A 22.073A 0A 73.98 76.388% 394 <6.0 41.54°C 0.978
12.108V 5.065V 3.289V 5.079V 96.849 50.57°C 114.84V
CL4 70.596A 0A 0A 0A 849.406 87.482% 1341 40.3 45.92°C 0.995
12.032V 5.061V 3.29V 5.132V 970.959 56.86°C 114.58V

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% 5.233A 1.979A 2A 0.988A 85.002 87.176% 0 <6.0 44.45°C 0.858
12.115V 5.055V 3.3V 5.064V 97.506 40.21°C 229.93V
20% 11.480A 2.969A 3.002A 1.187A 169.916 90.625% 0 <6.0 45.21°C 0.944
12.109V 5.053V 3.297V 5.053V 187.495 40.69°C 229.92V
30% 18.098A 3.464A 3.505A 1.367A 254.9 92.642% 0 <6.0 46.06°C 0.967
12.092V 5.052V 3.295V 5.12V 275.145 41.05°C 229.91V
40% 24.739A 3.959A 4.008A 1.563A 339.974 92.957% 0 <6.0 47.41°C 0.977
12.077V 5.052V 3.293V 5.117V 365.731 41.86°C 229.9V
50% 31.005A 4.952A 5.014A 1.762A 424.7 92.715% 394 <6.0 42.21°C 0.982
12.069V 5.05V 3.291V 5.108V 458.072 48.3°C 229.89V
60% 37.263A 5.945A 6.023A 1.962A 509.247 92.378% 557 11.7 42.67°C 0.985
12.061V 5.047V 3.288V 5.098V 551.262 49.22°C 229.87V
70% 43.595A 6.938A 7.032A 2.162A 594.564 91.928% 735 21.5 43.23°C 0.986
12.053V 5.045V 3.285V 5.088V 646.776 50.31°C 229.86V
80% 49.936A 7.93A 8.041A 2.264A 679.394 91.398% 924 29.2 43.77°C 0.988
12.045V 5.044V 3.282V 5.08V 743.338 51.85°C 229.85V
90% 56.682A 8.428A 8.535A 2.366A 764.823 90.863% 1137 35.6 44.33°C 0.989
12.038V 5.042V 3.28V 5.072V 841.736 53.39°C 229.83V
100% 63.165A 8.928A 9.061A 2.969A 849.639 90.208% 1451 42.4 45.89°C 0.99
12.031V 5.04V 3.277V 5.052V 941.858 55.91°C 229.82V
110% 69.525A 9.923A 10.167A 2.972A 934.21 89.431% 1765 47.6 46.95°C 0.99
12.023V 5.039V 3.275V 5.046V 1044.613 57.86°C 229.8V
CL1 0.114A 14.294A 14.483A 0A 121.284 84.578% 395 <6.0 40.53°C 0.919
12.105V 5.051V 3.293V 5.076V 143.399 46.07°C 229.94V
CL2 0.114A 21.741A 0A 0A 111.319 82.825% 395 <6.0 40.2°C 0.911
12.112V 5.057V 3.305V 5.082V 134.403 47.26°C 229.94V
CL3 0.114A 0A 22.072A 0A 73.979 77.223% 394 <6.0 40.52°C 0.855
12.108V 5.066V 3.289V 5.079V 95.799 49.55°C 229.94V
CL4 70.594A 0A 0A 0A 849.389 91.047% 1342 40.3 45.95°C 0.99
12.033V 5.06V 3.29V 5.132V 932.914 56.89°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 1.226A 0.494A 0.499A 0.197A 20.003 63.53% 0 <6.0 39.64°C 0.888
12.115V 5.064V 3.306V 5.089V 31.485 36.56°C 114.86V
40W 2.698A 0.691A 0.699A 0.295A 40.003 80.11% 0 <6.0 41.13°C 0.946
12.113V 5.065V 3.306V 5.085V 49.934 37.89°C 114.85V
60W 4.172A 0.89A 0.9A 0.394A 60.003 84.183% 0 <6.0 42.65°C 0.964
12.112V 5.055V 3.301V 5.081V 71.276 38.87°C 114.85V
80W 5.640A 1.089A 1.1A 0.492A 79.954 86.192% 0 <6.0 43.51°C 0.977
12.112V 5.052V 3.299V 5.077V 92.764 39.54°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 1.224A 0.493A 0.499A 0.197A 19.986 63.403% 0 <6.0 39.67°C 0.52
12.118V 5.067V 3.308V 5.089V 31.522 36.58°C 229.95V
40W 2.697A 0.691A 0.698A 0.295A 39.989 80.602% 0 <6.0 40.71°C 0.676
12.117V 5.068V 3.308V 5.085V 49.614 37.36°C 229.94V
60W 4.170A 0.889A 0.899A 0.394A 59.992 84.979% 0 <6.0 42.04°C 0.784
12.117V 5.06V 3.303V 5.081V 70.596 38.53°C 229.94V
80W 5.637A 1.088A 1.1A 0.492A 79.935 87.298% 0 <6.0 43.09°C 0.845
12.116V 5.056V 3.301V 5.077V 91.566 39.22°C 229.94V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load8.76mV9.79mV9.36mV5.68mVPass
20% Load9.38mV9.43mV9.93mV5.89mVPass
30% Load22.82mV10.25mV9.72mV7.33mVPass
40% Load16.07mV10.30mV9.88mV7.90mVPass
50% Load15.76mV11.28mV10.81mV7.59mVPass
60% Load15.14mV10.92mV13.08mV8.78mVPass
70% Load15.14mV13.71mV15.05mV9.09mVPass
80% Load15.50mV12.62mV12.62mV9.39mVPass
90% Load15.19mV12.83mV12.26mV10.01mVPass
100% Load25.21mV14.59mV14.32mV14.06mVPass
110% Load25.69mV15.25mV15.27mV13.48mVPass
Crossload111.34mV14.91mV13.28mV10.22mVPass
Crossload212.99mV20.40mV10.29mV10.43mVPass
Crossload39.33mV11.38mV14.43mV10.58mVPass
Crossload422.21mV13.02mV12.64mV14.01mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load9.85mV9.07mV9.88mV6.04mVPass
20% Load9.13mV9.94mV9.26mV5.84mVPass
30% Load26.02mV9.84mV9.72mV5.99mVPass
40% Load16.53mV10.41mV10.24mV7.38mVPass
50% Load15.90mV11.59mV10.50mV7.33mVPass
60% Load15.09mV12.05mV13.24mV8.05mVPass
70% Load15.19mV12.73mV14.94mV8.11mVPass
80% Load15.24mV12.57mV12.10mV9.14mVPass
90% Load16.64mV12.88mV12.52mV9.45mVPass
100% Load26.51mV15.39mV14.10mV13.94mVPass
110% Load26.85mV16.17mV14.57mV13.51mVPass
Crossload110.40mV15.40mV12.94mV10.83mVPass
Crossload213.04mV20.45mV10.03mV10.38mVPass
Crossload39.64mV10.82mV15.36mV10.32mVPass
Crossload422.36mV12.63mV12.65mV12.74mVPass

The results above are not used in the certification process

MSI MPG A850G PCIE5

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
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