CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Cooler Master V750 SFX Gold (2021)
Serial NumberMPY7501SFHAGVEU1211500061
Lab IDCM75001904
  • Report: 21PS1904A
  • Receipt Date: Sep 6, 2021
  • Test Date: Sep 13, 2021
  • Report Date: Sep 15, 2021
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandCooler Master
Manufacturer (OEM)Gospower
SeriesV Gold SFX
Model NumberMPY-7501-SFHAGV-EU
Serial NumberMPY7501SFHAGVEU1211500061
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)10-5
Rated Frequency (Hz)50-60
Rated Power (W)750
TypeSFX
Cooling92mm Fluid Dynamic Bearing Fan
(HA9215VH12FD-F00)
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 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 (300mm) 1 1 18-22AWG No
4+4 pin EPS12V (460mm) 1 1 18AWG No
8 pin EPS12V (460mm) 1 1 18AWG No
6+2 pin PCIe (400mm+120mm) 2 4 16-18AWG No
SATA (100mm+110mm+110mm+110mm) 2 8 18AWG No
4 pin Molex (100mm+110mm+110mm+110mm) 1 4 18AWG No
AC Power Cord (1380mm) - C13 coupler 1 1 18AWG -

Parts Description

General Data -
Manufacturer (OEM) Gospower
PCB Type Double Sided
Primary Side -
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV, 1x MPS HF81 (Discharge IC)
Inrush Protection NTC Thermistor & Relay
Bridge Rectifier(s) 1x
APFC MOSFETs 2x STMicroelectronics STF33N60DM2 (600V, 15.5A @ 100°C, Rds(on): 0.13Ohm)
APFC Boost Diode 1x
Bulk Cap(s) 1x Nichicon (450V, 560uF, 2,000h @ 105°C, LGM)
Main Switchers 2x Sanrise Tech SRC60R140BTFE (600V, 11.2A @ 125°C, Rds(on): 0.14Ohm)
APFC Controller Champion CM6500UNX & CM03AX
Resonant Controller Champion CU6901VAC
Topology Primary side: APFC, Half-Bridge & LLC converter
Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side -
+12V MOSFETs 6x NCE Power NCEP40T15GU (40V, 106A @ 100°C, Rds(on): 1.35mOhm)
5V & 3.3V DC-DC Converters: 6x On Semiconductor NTMFS4C022N (30V, 136A, Rds(on): 1.7mOhm)
PWM Controller(s): ANPEC APW7159C
Filtering Capacitors Electrolytic: 4x Rubycon (4-10,000h @ 105°C, YXF)
Polymer: 28x FPCAP, 1x Nippon Chemi-Con
Supervisor IC IN1S313I-SAG
Fan Model Hong Hua HA9215VH12FD-F00 (92mm, 12V, 0.36A, Fluid Dynamic Bearing Fan)
5VSB Circuit -
Standby PWM Controller On-Bright OB2365SP

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

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)19.3
AC Loss to PWR_OK Hold Up Time (ms)16.2
PWR_OK Inactive to DC Loss Delay (ms)3.1

Vampire Power

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 0.231W 72.158% 0.03
5.134V 0.219W 115.15V
2 0.09A 0.462W 72.655% 0.07
5.132V 0.636W 115.15V
3 0.55A 2.811W 78.747% 0.291
5.111V 3.569W 115.15V
4 1A 4.904W 76.031% 0.386
4.905V 6.45W 115.15V
5 1.5A 7.349W 76.056% 0.437
4.9V 9.663W 115.14V
6 2.999A 14.513W 73.763% 0.495
4.839V 19.675W 115.14V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231W 57.916% 0.014
5.133V 0.399W 230.29V
2 0.09A 0.462W 67.391% 0.023
5.131V 0.686W 230.29V
3 0.55A 2.807W 78.377% 0.115
5.106V 3.581W 230.3V
4 1A 4.957W 77.122% 0.189
4.957V 6.427W 230.3V
5 1.5A 7.316W 76.41% 0.25
4.878V 9.575W 230.3V
6 2.999A 14.602W 76.415% 0.352
4.869V 19.108W 230.3V

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% 4.403A 2.004A 1.975A 1.013A 74.996 84.174% 2037 34.4 40.08°C 0.888
12.128V 4.989V 3.342V 4.937V 89.096 43.53°C 115.17V
20% 9.828A 3.01A 2.968A 1.22A 149.924 88.787% 2196 36.6 41.14°C 0.946
12.112V 4.983V 3.335V 4.918V 168.858 44.87°C 115.17V
30% 15.612A 3.516A 3.469A 1.437A 224.923 90.156% 2276 37.7 41.27°C 0.969
12.098V 4.977V 3.329V 4.871V 249.482 45.78°C 115.17V
40% 21.413A 4.023A 3.972A 1.66A 300 90.479% 2485 40.1 42.06°C 0.98
12.086V 4.972V 3.324V 4.822V 331.57 47.23°C 115.17V
50% 26.830A 5.035A 4.974A 1.871A 374.418 90.349% 2538 41.1 42.18°C 0.985
12.073V 4.966V 3.317V 4.81V 414.413 48.14°C 115.16V
60% 32.300A 6.05A 5.981A 2A 448.924 89.997% 2711 42.7 42.24°C 0.988
12.060V 4.96V 3.311V 4.791V 498.821 48.84°C 115.16V
70% 37.780A 7.066A 6.992A 2.284A 524.261 89.434% 2895 44.5 43.49°C 0.99
12.048V 4.954V 3.304V 4.815V 586.199 50.52°C 115.16V
80% 43.340A 8.003A 8.005A 2.42A 599.058 88.815% 3004 46.3 43.69°C 0.991
12.034V 4.948V 3.297V 4.75V 674.502 51.39°C 115.16V
90% 49.282A 8.6A 8.508A 2.45A 674.438 88.445% 2916 44.8 44.37°C 0.991
12.012V 4.941V 3.29V 4.896V 762.554 52.81°C 115.17V
100% 54.990A 9.114A 9.039A 3.128A 749.685 87.246% 3065 46.6 45.71°C 0.992
12.002V 4.937V 3.285V 4.794V 859.277 54.75°C 115.18V
110% 60.603A 10.139A 10.157A 3.139A 824.728 86.314% 3055 46.5 46.55°C 0.992
11.987V 4.931V 3.278V 4.777V 955.5 56.42°C 115.19V
CL1 0.114A 14.484A 14.339A 0A 121.282 83.527% 2837 43.5 42.69°C 0.936
12.133V 4.985V 3.326V 5.114V 145.201 48.54°C 115.18V
CL2 0.114A 20.046A 0A 0A 101.382 82.505% 2548 41.2 43.54°C 0.922
12.130V 4.989V 3.33V 5.122V 122.88 50.39°C 115.18V
CL4 62.530A 0A 0A 0.001A 749.527 88.218% 2747 42.9 45.14°C 0.992
11.987V 4.944V 3.297V 5.091V 849.638 54.03°C 115.18V

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% 4.404A 2.004A 1.975A 0.991A 74.994 86.509% 2067 34.8 40.07°C 0.779
12.126V 4.99V 3.342V 5.042V 86.689 44.37°C 230.31V
20% 9.828A 3.01A 2.968A 1.203A 149.915 90.696% 2337 38.5 40.22°C 0.878
12.110V 4.984V 3.336V 4.986V 165.294 45.28°C 230.31V
30% 15.610A 3.515A 3.468A 1.43A 224.908 91.936% 2414 39.5 41.7°C 0.919
12.099V 4.979V 3.33V 4.893V 244.636 47.55°C 230.31V
40% 21.417A 4.023A 3.972A 1.653A 299.981 92.48% 2376 39.0 41.78°C 0.941
12.083V 4.972V 3.323V 4.841V 324.374 48.27°C 230.32V
50% 26.828A 5.034A 4.973A 1.895A 374.369 92.402% 2622 41.3 42.85°C 0.954
12.072V 4.967V 3.318V 4.75V 405.153 49.71°C 230.32V
60% 32.300A 6.048A 5.98A 2A 448.779 92.308% 2710 42.7 43.19°C 0.963
12.059V 4.961V 3.311V 4.742V 486.178 50.49°C 230.31V
70% 37.785A 7.065A 6.991A 2.329A 524.219 92.035% 2863 43.9 43.97°C 0.97
12.045V 4.955V 3.304V 4.722V 569.587 51.73°C 230.31V
80% 43.353A 8.002A 8.005A 2.409A 599.044 91.737% 2963 45.4 44.04°C 0.973
12.031V 4.948V 3.297V 4.773V 653 52.17°C 230.32V
90% 49.262A 8.596A 8.505A 2.493A 674.488 91.299% 3076 46.5 44.81°C 0.977
12.018V 4.943V 3.291V 4.812V 738.765 53.63°C 230.32V
100% 54.990A 9.114A 9.039A 3.125A 749.709 90.793% 3073 46.5 45.02°C 0.979
12.003V 4.937V 3.285V 4.799V 825.73 54.23°C 230.32V
110% 60.608A 10.139A 10.156A 3.153A 824.737 90.247% 3072 46.5 46.9°C 0.982
11.986V 4.931V 3.278V 4.757V 913.871 56.78°C 230.32V
CL1 0.114A 14.485A 14.338A 0A 121.282 85.284% 2877 44.2 42.61°C 0.858
12.132V 4.984V 3.326V 5.114V 142.209 49.42°C 230.33V
CL2 0.113A 20.044A 0A 0A 101.383 84.263% 2612 41.3 43.26°C 0.832
12.132V 4.989V 3.331V 5.121V 120.317 50.98°C 230.33V
CL4 62.522A 0A 0A 0.001A 749.541 91.585% 2719 42.8 45.08°C 0.979
11.988V 4.945V 3.298V 5.091V 818.411 54.37°C 230.33V

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 0.501A 0.493A 0.196A 19.99 58.379% 1848 31.9 36.86°C 0.779
12.147V 4.994V 3.347V 5.094V 34.242 38.09°C 115.16V
40W 2.690A 0.701A 0.691A 0.296A 39.992 78.703% 1736 30.0 37.06°C 0.823
12.149V 4.992V 3.346V 5.072V 50.814 38.81°C 115.16V
60W 4.166A 0.902A 0.888A 0.396A 59.992 83.246% 1676 28.9 38.44°C 0.863
12.127V 4.99V 3.343V 5.05V 72.066 40.69°C 115.16V
80W 5.635A 1.102A 1.086A 0.497A 79.935 85.742% 1858 31.9 39.54°C 0.894
12.122V 4.989V 3.342V 5.028V 93.228 42.37°C 115.16V

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 0.501A 0.493A 0.196A 19.988 59.244% 1825 31.5 36.86°C 0.568
12.145V 4.994V 3.347V 5.115V 33.738 39.25°C 230.3V
40W 2.690A 0.701A 0.69A 0.294A 39.99 80.865% 1777 30.7 37.54°C 0.662
12.147V 4.993V 3.346V 5.105V 49.453 40.43°C 230.3V
60W 4.166A 0.901A 0.888A 0.392A 59.99 85.19% 1985 33.7 38.68°C 0.739
12.128V 4.992V 3.345V 5.095V 70.418 41.83°C 230.31V
80W 5.634A 1.102A 1.086A 0.492A 79.93 87.661% 2071 34.9 39.45°C 0.788
12.124V 4.99V 3.343V 5.085V 91.181 43.15°C 230.31V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load17.39mV5.84mV4.55mV16.80mVPass
20% Load10.66mV7.06mV6.12mV7.64mVPass
30% Load9.54mV7.11mV4.85mV9.82mVPass
40% Load9.55mV8.28mV5.31mV17.92mVPass
50% Load8.74mV8.64mV5.06mV18.32mVPass
60% Load8.53mV9.00mV4.90mV12.75mVPass
70% Load8.64mV9.96mV5.15mV14.12mVPass
80% Load8.89mV10.62mV6.37mV14.27mVPass
90% Load9.75mV11.94mV7.13mV24.44mVPass
100% Load16.30mV13.38mV7.97mV24.02mVPass
110% Load16.89mV14.16mV7.92mV21.62mVPass
Crossload116.12mV9.86mV7.99mV8.25mVPass
Crossload213.04mV8.99mV5.51mV7.08mVPass
Crossload30.00mV0.00mV0.00mV0.00mVPass
Crossload415.81mV12.81mV6.34mV12.42mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load20.33mV6.61mV5.41mV7.54mVPass
20% Load12.43mV7.27mV6.47mV15.69mVPass
30% Load10.86mV8.08mV5.16mV10.88mVPass
40% Load10.81mV8.33mV5.36mV13.31mVPass
50% Load9.75mV8.99mV5.21mV11.79mVPass
60% Load10.25mV9.35mV5.46mV12.45mVPass
70% Load10.36mV10.01mV5.16mV24.39mVPass
80% Load11.17mV10.47mV6.07mV15.84mVPass
90% Load10.91mV10.36mV6.07mV27.08mVPass
100% Load17.18mV12.67mV7.27mV25.46mVPass
110% Load17.96mV13.02mV7.36mV40.27mVPass
Crossload116.94mV9.17mV8.33mV8.33mVPass
Crossload215.32mV8.74mV5.21mV7.54mVPass
Crossload30.00mV0.00mV0.00mV0.00mVPass
Crossload417.31mV11.07mV5.93mV13.32mVPass

The results above are not used in the certification process

Cooler Master V750 SFX Gold (2021)

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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