CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
MSI MPG A750G
Serial Number
Lab IDMS75001979
  • Report: 22PS1979A
  • Receipt Date: Feb 9, 2022
  • Test Date: Feb 17, 2022
  • Report Date: Feb 18, 2022
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Lab Director

General Information

DUT Information

BrandMSI
Manufacturer (OEM)CWT
SeriesMPG
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)750
TypeATX12V
Cooling135mm Fluid Dynamic Bearing Fan
(HA13525H12SF-Z)
Semi-Passive Operation✓ (selectable)
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps222262.530.3
Watts120750153.6
Total Max. Power (W)750

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 (600mm) 1 1 18AWG No
4+4 pin EPS12V (700mm) 2 2 18AWG No
6+2 pin PCIe (600mm) 2 2 18AWG No
6+2 pin PCIe (600mm+150mm) 2 4 18AWG 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

Parts Description

General Data
Manufacturer (OEM) CWT
PCB Type Double Sided
Primary Side
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection 1x NTC Thermistor SCK-037 (3 Ohm) & Relay
Bridge Rectifier(s) 2x GBU806 (600V, 8A @ 100°C)
APFC MOSFETs 2x On Semiconductor FCPF190N60E (600V, 13.1A @ 100°C, Rds(on): 0.19Ohm)
APFC Boost Diode 1x On Semiconductor FFSP0665B (650V, 6A @ 150°C)
Bulk Cap(s) 1x Nippon Chemi-Con (400V, 560uF, 2,000h @ 105°C, KMR)
Main Switchers 2x On Semiconductor FCPF190N60E (600V, 13.1A @ 100°C, Rds(on): 0.19Ohm)
APFC Controller Champion CM6500UNX & CM03X
Resonant Controller Champion CU6901VA
Topology Primary side: APFC, Half-Bridge & LLC converter
Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side
+12V MOSFETs 4x On Semiconductor NTMFS5C430N (40V, 131A @ 100°C, Rds(on): 1.7mOhm)
5V & 3.3V DC-DC Converters: 2x UBIQ QM3054M6 (30V, 61A @ 100°C, Rds(on): 4.8mOhm) &
2x UBIQ QN3107M6N (30V, 70A @ 100°C, Rds(on): 2.6mOhm)
PWM Controller(s): uPI-Semi uP3861P
Filtering Capacitors Electrolytic: 2x Nichicon (2-5,000h @ 105°C, HD), 3x Nippon Chemi-Con (1-5,000h @ 105°C, KZE), 2x Nichicon (4-10,000h @ 105°C, HE), 1x Nippon Chemi-Con (4-10,000h @ 105°C, KY), 1x Rubycon (4-10,000h @ 105°C, YXJ), 1x Rubycon (2-10,000h @ 105°C, YXF)
Polymer: 18x United Chemi-Con, 8x FPCAP
Supervisor IC Weltrend WT7502R (OVP, UVP, SCP, PG)
Fan Controller Microchip PIC16F1503
Fan Model Hong Hua HA13525H12SF-Z (135mm, 12V, 0.5A, Fluid Dynamic Bearing Fan)
5VSB Circuit
Rectifier 1x PS1045L SBR (45V, 10A)
Standby PWM Controller On Bright OB2365T

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

Efficiency RatingGOLD
Noise RatingA
Average Efficiency (>1450 load combinations)88.074%
Average Noise Output (>1450 Load Combinations)22.69dBA
Average PF (>1450 Load Combinations)0.991
Efficiency With 10W (≤500W) or 2% (>500W) Load50.595%
Standby Power Consumption0.0286W
12V Ripple (Full Load)21.14mV
5V Ripple (Full Load)12.69mV
3.3V Ripple (Full Load)20.00mV
5VSB Ripple (Full Load)10.61mV
12V Load Regulation0.68%
5V Load Regulation0.90%
3.3V Load Regulation1.39%
5VSB Load Regulation1.51%
Inrush Current28.870A
Efficiency RatingGOLD
Noise RatingA
Average Efficiency (>1450 load combinations)90.311%
Average Noise Output (>1450 Load Combinations)23.82dBA
Average PF (>1450 Load Combinations)0.965
Efficiency With 10W (≤500W) or 2% (>500W) Load0.000%
Standby Power Consumption0.0544W
12V Ripple (Full Load)20.67mV
5V Ripple (Full Load)12.63mV
3.3V Ripple (Full Load)10.18mV
5VSB Ripple (Full Load)9.73mV
12V Load Regulation0.70%
5V Load Regulation1.08%
3.3V Load Regulation0.40%
5VSB Load Regulation1.61%
Inrush Current87.560A
12V Transient Response (150%)0.00V
5V Transient Response (150%)V
3.3V Transient Response (150%)V
5VSB Transient Response (150%)V
Hold-Up Time & Power Ok Signal18.10ms
AC Loss to PWR_OK Hold Up Time15.80ms
PWR_OK Inactive to DC Loss Delay2.30ms
PSU Timings: T1 (20% / 100%)50.0ms50.0ms
PSU Timings: T3 (20% / 100%)141.0ms139.0ms
OPP (28.39°C / 40.37°C)127.05%127.04%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)18.1
AC Loss to PWR_OK Hold Up Time (ms)15.8
PWR_OK Inactive to DC Loss Delay (ms)2.3

Vampire Power

Tables

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 0.229W 72.167% 0.032
5.079V 0.317W 115.12V
2 0.09A 0.457W 75.478% 0.06
5.079V 0.605W 115.11V
3 0.55A 2.788W 79.092% 0.259
5.069V 3.525W 115.12V
4 1A 5.058W 79.072% 0.347
5.058V 6.397W 115.12V
5 1.5A 7.57W 79.403% 0.394
5.046V 9.533W 115.12V
6 3A 15.032W 77.607% 0.457
5.01V 19.369W 115.12V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.229W 62.001% 0.011
5.08V 0.369W 230.25V
2 0.09A 0.457W 68.1% 0.02
5.079V 0.671W 230.24V
3 0.55A 2.788W 76.917% 0.101
5.068V 3.625W 230.25V
4 1A 5.058W 78.088% 0.166
5.058V 6.477W 230.25V
5 1.5A 7.57W 78.614% 0.221
5.046V 9.629W 230.25V
6 3.001A 15.031W 78.969% 0.316
5.01V 19.034W 230.25V

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% 4.391A 1.988A 2.013A 0.991A 75.022 85.064% 0 <6.0 45.69°C 0.979
12.165V 5.031V 3.28V 5.046V 88.195 40.57°C 115.14V
20% 9.793A 2.985A 3.023A 1.192A 150 88.835% 0 <6.0 46.38°C 0.989
12.160V 5.027V 3.275V 5.034V 168.852 40.63°C 115.13V
30% 15.569A 3.484A 3.531A 1.371A 225.009 90.689% 0 <6.0 47.12°C 0.992
12.137V 5.025V 3.272V 5.106V 248.112 41.1°C 115.13V
40% 21.344A 3.983A 4.039A 1.569A 300.092 90.635% 417 7.5 41.37°C 0.993
12.129V 5.022V 3.268V 5.099V 331.101 48.21°C 115.11V
50% 26.745A 4.983A 5.055A 1.769A 374.693 90.195% 416 7.5 42.01°C 0.992
12.122V 5.018V 3.264V 5.089V 415.427 49.27°C 115.11V
60% 32.176A 5.983A 6.073A 1.969A 449.579 89.587% 645 18.1 42.82°C 0.992
12.113V 5.015V 3.26V 5.079V 501.837 50.58°C 115.1V
70% 37.616A 6.985A 7.095A 2.171A 524.477 88.865% 786 24.6 43.1°C 0.993
12.106V 5.012V 3.256V 5.068V 590.199 51.36°C 115.09V
80% 43.134A 7.989A 8.116A 2.273A 599.68 88.085% 944 30.3 43.42°C 0.994
12.096V 5.009V 3.253V 5.06V 680.795 52.12°C 115.09V
90% 48.981A 8.491A 8.616A 2.376A 674.69 87.235% 1370 41.2 44.62°C 0.995
12.090V 5.006V 3.249V 5.051V 773.422 53.68°C 115.08V
100% 54.634A 8.996A 9.147A 2.982A 749.901 86.304% 1655 46.6 45.98°C 0.995
12.084V 5.003V 3.247V 5.03V 868.906 55.63°C 115.08V
110% 60.166A 10.002A 10.26A 2.986A 824.926 85.298% 2009 51.1 47.91°C 0.996
12.077V 5V 3.245V 5.024V 967.109 58.52°C 115.07V
CL1 0.115A 14.413A 14.629A 0A 121.314 82.779% 445 8.3 42.39°C 0.987
12.160V 5.011V 3.26V 5.051V 146.55 49.49°C 115.11V
CL2 0.115A 21.939A 0A 0A 111.42 81.825% 444 8.3 43.51°C 0.986
12.166V 5.015V 3.281V 5.06V 136.168 51.71°C 115.11V
CL3 0.115A 0A 22.387A 0A 73.983 75.483% 442 8.3 44.77°C 0.981
12.164V 5.021V 3.242V 5.056V 98.013 54.08°C 115.11V
CL4 61.990A 0A 0A 0A 749.622 87.405% 1560 44.7 46.2°C 0.995
12.092V 5.026V 3.268V 5.114V 857.646 55.97°C 115.07V

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% 4.392A 1.988A 2.005A 0.991A 75.01 85.965% 0 <6.0 44.13°C 0.853
12.163V 5.029V 3.292V 5.045V 87.257 40.07°C 230.23V
20% 9.794A 2.985A 3.008A 1.192A 149.966 90.282% 0 <6.0 45.19°C 0.939
12.157V 5.025V 3.292V 5.032V 166.108 40.87°C 230.23V
30% 15.572A 3.485A 3.514A 1.372A 224.979 92.221% 0 <6.0 45.55°C 0.963
12.133V 5.021V 3.287V 5.102V 243.957 41°C 230.23V
40% 21.352A 3.987A 4.018A 1.57A 300.081 92.408% 412 7.7 41.69°C 0.974
12.125V 5.017V 3.285V 5.095V 324.736 46.43°C 230.23V
50% 26.755A 4.988A 5.023A 1.771A 374.678 92.211% 412 7.7 42.45°C 0.98
12.116V 5.013V 3.285V 5.083V 406.325 47.53°C 230.23V
60% 32.189A 5.99A 6.028A 1.972A 449.579 91.864% 618 16.7 42.76°C 0.983
12.109V 5.009V 3.285V 5.071V 489.396 49.24°C 230.23V
70% 37.617A 6.991A 7.02A 2.173A 524.232 91.503% 764 23.6 43.09°C 0.985
12.099V 5.006V 3.29V 5.062V 572.914 50.13°C 230.18V
80% 43.132A 7.997A 8.021A 2.276A 599.44 91.041% 975 31.4 43.43°C 0.987
12.092V 5.002V 3.29V 5.053V 658.429 51.67°C 230.18V
90% 48.983A 8.503A 8.511A 2.38A 674.485 90.506% 1294 40.1 44.46°C 0.988
12.086V 4.998V 3.289V 5.043V 745.241 53.56°C 230.18V
100% 54.645A 9.011A 9.033A 2.988A 749.709 89.905% 1625 46.2 45.61°C 0.989
12.078V 4.994V 3.287V 5.021V 833.894 55.72°C 230.19V
110% 60.190A 10.021A 10.126A 2.993A 824.774 89.229% 1968 50.5 47.31°C 0.99
12.069V 4.99V 3.288V 5.012V 924.331 58.44°C 230.19V
CL1 0.115A 14.41A 14.306A 0A 121.297 84.4% 441 8.2 43.32°C 0.926
12.154V 5.011V 3.334V 5.048V 143.716 48.46°C 230.2V
CL2 0.115A 21.918A 0A 0A 111.408 82.485% 439 8.2 42.03°C 0.92
12.162V 5.02V 3.281V 5.057V 135.065 49.24°C 230.2V
CL3 0.115A 0A 21.566A 0A 73.975 78.486% 438 8.2 40.79°C 0.867
12.160V 5.019V 3.366V 5.054V 94.252 50.23°C 230.21V
CL4 62.004A 0A 0A 0A 749.567 90.755% 1611 46.0 45.96°C 0.989
12.089V 5.018V 3.262V 5.106V 825.929 57.12°C 230.2V

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 1.222A 0.495A 0.501A 0.197A 20.014 54.738% 0 <6.0 40.08°C 0.924
12.166V 5.048V 3.292V 5.071V 36.564 36.95°C 115.13V
40W 2.688A 0.694A 0.702A 0.296A 40.014 80.236% 0 <6.0 41.28°C 0.949
12.165V 5.047V 3.291V 5.067V 49.87 37.61°C 115.13V
60W 4.156A 0.893A 0.904A 0.395A 60.016 83.903% 0 <6.0 42.53°C 0.969
12.164V 5.038V 3.285V 5.063V 71.53 38.36°C 115.13V
80W 5.620A 1.093A 1.106A 0.494A 79.991 86.287% 0 <6.0 44.55°C 0.98
12.164V 5.034V 3.283V 5.059V 92.704 39.99°C 115.14V

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 1.222A 0.495A 0.5A 0.197A 20.009 55.071% 0 <6.0 40.24°C 0.614
12.162V 5.048V 3.298V 5.072V 36.334 37.15°C 230.23V
40W 2.688A 0.694A 0.7A 0.296A 40.007 80.607% 0 <6.0 41.01°C 0.712
12.161V 5.047V 3.297V 5.067V 49.633 37.66°C 230.23V
60W 4.156A 0.893A 0.902A 0.395A 60.007 84.787% 0 <6.0 42.1°C 0.808
12.161V 5.037V 3.292V 5.063V 70.774 38.5°C 230.24V
80W 5.620A 1.093A 1.103A 0.494A 79.967 87.376% 0 <6.0 43.19°C 0.862
12.161V 5.032V 3.29V 5.058V 91.521 39.36°C 230.24V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load8.34mV9.96mV17.54mV4.76mVPass
20% Load9.62mV10.32mV15.24mV4.66mVPass
30% Load15.12mV10.62mV15.44mV5.01mVPass
40% Load12.77mV10.42mV16.41mV6.50mVPass
50% Load11.99mV10.57mV16.11mV5.89mVPass
60% Load13.00mV11.59mV16.16mV6.14mVPass
70% Load13.76mV11.03mV15.80mV7.06mVPass
80% Load14.23mV11.90mV17.39mV7.57mVPass
90% Load13.71mV11.54mV16.93mV8.19mVPass
100% Load21.14mV12.69mV20.00mV10.61mVPass
110% Load22.27mV14.01mV20.47mV11.07mVPass
Crossload110.16mV13.66mV18.96mV8.70mVPass
Crossload210.64mV16.69mV16.26mV9.01mVPass
Crossload39.01mV9.86mV17.85mV8.65mVPass
Crossload420.39mV12.17mV19.18mV11.76mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load6.04mV9.14mV5.58mV3.89mVPass
20% Load6.14mV8.58mV5.73mV3.94mVPass
30% Load16.29mV9.76mV6.09mV4.30mVPass
40% Load13.68mV9.50mV6.24mV5.84mVPass
50% Load12.61mV9.75mV6.55mV5.48mVPass
60% Load11.79mV10.26mV7.47mV5.53mVPass
70% Load11.44mV10.83mV6.90mV6.09mVPass
80% Load11.95mV11.03mV9.26mV6.70mVPass
90% Load12.54mV11.03mV9.87mV6.96mVPass
100% Load20.67mV12.63mV10.18mV9.73mVPass
110% Load22.00mV12.84mV10.99mV10.14mVPass
Crossload18.64mV13.20mV10.22mV8.22mVPass
Crossload28.34mV14.71mV7.67mV8.75mVPass
Crossload37.01mV9.76mV11.91mV7.93mVPass
Crossload419.94mV11.42mV7.15mV10.30mVPass

The results above are not used in the certification process

MSI MPG A750G

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