CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Cooler Master V850 SFX Gold (2021)
Serial NumberMPY8501SFHAGVEU1211500121
Lab IDCM85001903
  • Report: 21PS1903A
  • Receipt Date: Sep 6, 2021
  • Test Date: Sep 10, 2021
  • Report Date: Sep 14, 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-8501-SFHAGV-EU
Serial NumberMPY8501SFHAGVEU1211500121
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)6
Rated Frequency (Hz)50-60
Rated Power (W)850
TypeSFX
Cooling92mm Fluid Dynamic Bearing Fan
(HA9215VH12FD-F00)
Semi-Passive Operation✓
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202070.830.3
Watts120849.6153.6
Total Max. Power (W)850

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 On Semiconductor NTMFS5C410NL (40V, 230A @ 100°C, Rds(on): 0.82mOhm)
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)17.2
AC Loss to PWR_OK Hold Up Time (ms)16.1
PWR_OK Inactive to DC Loss Delay (ms)1.1

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 65.007% 0.038
5.136V 0.341W 115.13V
2 0.09A 0.462W 72.205% 0.069
5.135V 0.64W 115.13V
3 0.55A 2.817W 79.059% 0.275
5.121V 3.563W 115.13V
4 1A 5.108W 79.297% 0.371
5.107V 6.442W 115.13V
5 1.5A 7.638W 79.08% 0.424
5.091V 9.658W 115.13V
6 3.001A 15.133W 77.12% 0.49
5.043V 19.622W 115.13V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231W 57.455% 0.013
5.135V 0.402W 230.28V
2 0.09A 0.462W 67.17% 0.022
5.135V 0.688W 230.28V
3 0.55A 2.817W 78.929% 0.11
5.12V 3.569W 230.29V
4 1A 5.108W 79.873% 0.18
5.106V 6.395W 230.29V
5 1.5A 7.637W 80.096% 0.24
5.09V 9.535W 230.29V
6 3.001A 15.131W 79.591% 0.344
5.042V 19.011W 230.28V

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% 5.240A 2.001A 1.98A 0.982A 85.019 85.501% 1993 33.7 40.14°C 0.949
12.102V 4.998V 3.333V 5.094V 99.436 43.32°C 115.14V
20% 11.512A 3.007A 2.978A 1.181A 169.995 89.556% 2148 36.2 40.88°C 0.97
12.082V 4.989V 3.325V 5.081V 189.821 44.57°C 115.14V
30% 18.151A 3.514A 3.483A 1.382A 255.017 90.631% 2247 37.3 41.07°C 0.983
12.063V 4.981V 3.317V 5.068V 281.378 45.33°C 115.13V
40% 24.820A 4.022A 3.99A 1.583A 340.124 90.782% 2423 39.6 41.35°C 0.989
12.043V 4.974V 3.309V 5.055V 374.662 46.43°C 115.13V
50% 31.155A 5.037A 5A 1.786A 425.189 90.417% 2611 41.3 42.24°C 0.992
12.026V 4.965V 3.3V 5.039V 470.254 47.84°C 115.12V
60% 37.470A 6.055A 6.017A 1.991A 509.718 89.871% 2743 42.9 42.39°C 0.993
12.007V 4.956V 3.292V 5.024V 567.166 48.78°C 115.12V
70% 43.874A 7.078A 7.039A 2.197A 595.04 89.232% 2870 44.1 43.47°C 0.994
11.987V 4.947V 3.282V 5.008V 666.847 50.27°C 115.12V
80% 50.304A 8.004A 8.067A 2.303A 679.379 88.302% 3016 46.5 43.68°C 0.995
11.966V 4.938V 3.273V 4.996V 769.381 51.01°C 115.12V
90% 57.160A 8.627A 8.578A 2.41A 765.297 87.308% 3060 46.5 44.55°C 0.995
11.945V 4.929V 3.265V 4.982V 876.552 52.45°C 115.12V
100% 63.781A 9.151A 9.123A 3.032A 850.109 86.08% 3062 46.5 45.44°C 0.992
11.922V 4.92V 3.256V 4.949V 987.582 54.27°C 115.15V
110% 70.295A 10.188A 10.258A 3.04A 934.699 84.953% 3062 46.5 46.57°C 0.991
11.898V 4.91V 3.246V 4.935V 1100.257 56.49°C 115.12V
CL1 0.116A 14.514A 14.398A 0A 121.336 83.547% 2758 41.1 42.2°C 0.961
12.120V 4.976V 3.313V 5.105V 145.231 47.4°C 115.14V
CL2 0.116A 20.104A 0A 0A 101.441 82.405% 2578 41.1 43.27°C 0.957
12.115V 4.976V 3.329V 5.116V 123.101 49.62°C 115.14V
CL4 71.398A 0A 0A 0.002A 849.838 86.763% 2792 43.0 45.93°C 0.993
11.903V 4.938V 3.274V 5.072V 979.497 55.13°C 115.13V

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% 5.240A 2.001A 1.98A 0.982A 85.018 87.109% 2088 35.3 40.13°C 0.843
12.103V 4.998V 3.334V 5.093V 97.599 43.89°C 230.28V
20% 11.512A 3.007A 2.978A 1.181A 169.993 91.27% 2132 35.8 40.41°C 0.923
12.081V 4.99V 3.325V 5.08V 186.253 44.54°C 230.28V
30% 18.150A 3.513A 3.482A 1.382A 255.012 92.339% 2402 39.4 41.28°C 0.951
12.063V 4.982V 3.318V 5.066V 276.17 45.85°C 230.28V
40% 24.816A 4.021A 3.989A 1.584A 340.118 92.657% 2479 40.0 41.72°C 0.963
12.045V 4.974V 3.31V 5.052V 367.07 46.76°C 230.28V
50% 31.158A 5.036A 5A 1.787A 425.166 92.584% 2591 41.2 42.17°C 0.972
12.024V 4.966V 3.301V 5.038V 459.222 47.81°C 230.28V
60% 37.479A 6.054A 6.016A 1.991A 509.683 92.367% 2676 42.3 42.69°C 0.977
12.003V 4.957V 3.292V 5.024V 551.802 48.93°C 230.28V
70% 43.891A 7.077A 7.039A 2.196A 594.969 92.026% 2792 42.9 43.41°C 0.98
11.981V 4.947V 3.282V 5.01V 646.521 50.07°C 230.28V
80% 50.313A 8.004A 8.065A 2.303A 679.352 91.413% 3067 46.6 43.62°C 0.982
11.964V 4.939V 3.274V 4.994V 743.166 51.26°C 230.28V
90% 57.171A 8.625A 8.576A 2.411A 765.287 90.839% 3066 46.6 44.65°C 0.984
11.942V 4.929V 3.265V 4.98V 842.469 52.9°C 230.27V
100% 63.792A 9.151A 9.123A 3.033A 850.118 90.189% 3069 46.6 45.42°C 0.986
11.920V 4.92V 3.256V 4.946V 942.599 54.55°C 230.27V
110% 70.323A 10.187A 10.26A 3.039A 934.666 89.566% 3066 46.6 46.92°C 0.988
11.893V 4.91V 3.246V 4.938V 1043.549 56.74°C 230.27V
CL1 0.116A 14.514A 14.399A 0A 121.339 85.136% 2773 43.0 42.86°C 0.897
12.117V 4.976V 3.313V 5.106V 142.524 47.81°C 230.29V
CL2 0.116A 20.105A 0A 0A 101.441 84.052% 2456 40.1 43.68°C 0.876
12.108V 4.976V 3.328V 5.118V 120.689 49.99°C 230.29V
CL4 71.425A 0A 0A 0.002A 849.794 90.873% 2762 43.0 45.25°C 0.986
11.898V 4.938V 3.274V 5.074V 935.153 54.26°C 230.28V

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 0.5A 0.494A 0.195A 20.011 53.242% 1774 30.6 36.79°C 0.864
12.127V 5.005V 3.341V 5.127V 37.586 38.13°C 115.14V
40W 2.696A 0.7A 0.692A 0.293A 40.012 77.611% 1785 30.8 37.94°C 0.89
12.131V 5.003V 3.339V 5.121V 51.555 39.61°C 115.14V
60W 4.174A 0.9A 0.89A 0.391A 60.014 82.472% 1831 31.6 38.68°C 0.922
12.107V 5.001V 3.337V 5.116V 72.769 40.83°C 115.14V
80W 5.648A 1.1A 1.089A 0.489A 79.981 85.493% 1920 32.9 39.59°C 0.944
12.102V 5V 3.335V 5.112V 93.553 42.32°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 1.224A 0.5A 0.494A 0.195A 20.012 67.087% 1622 27.7 36.9°C 0.561
12.134V 5.006V 3.341V 5.125V 29.83 38.29°C 230.28V
40W 2.696A 0.7A 0.692A 0.293A 40.012 79.111% 1758 30.4 37.31°C 0.705
12.130V 5.004V 3.34V 5.12V 50.577 39.22°C 230.28V
60W 4.174A 0.9A 0.89A 0.391A 60.012 84.303% 1870 32.1 38.53°C 0.786
12.107V 5.002V 3.338V 5.116V 71.186 40.77°C 230.28V
80W 5.648A 1.1A 1.088A 0.489A 79.978 87.174% 1945 33.4 39.54°C 0.834
12.101V 5V 3.336V 5.111V 91.746 42.52°C 230.28V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load15.66mV11.08mV13.50mV5.12mVPass
20% Load12.90mV11.03mV13.70mV5.68mVPass
30% Load13.00mV12.67mV14.42mV6.86mVPass
40% Load13.00mV12.51mV12.99mV7.57mVPass
50% Load13.71mV13.43mV13.86mV8.60mVPass
60% Load14.18mV13.99mV15.44mV9.72mVPass
70% Load14.48mV15.17mV14.88mV12.44mVPass
80% Load15.86mV16.55mV15.55mV13.92mVPass
90% Load18.78mV15.99mV18.31mV16.79mVPass
100% Load63.21mV35.79mV86.38mV24.61mVFail
110% Load82.99mV51.36mV102.50mV35.69mVFail
Crossload119.88mV13.04mV14.63mV6.71mVPass
Crossload214.99mV11.08mV12.84mV4.81mVPass
Crossload30.00mV0.00mV0.00mV0.00mVPass
Crossload422.97mV18.45mV18.88mV15.77mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load17.47mV10.47mV13.19mV5.37mVPass
20% Load11.56mV11.44mV11.91mV5.73mVPass
30% Load12.54mV11.95mV13.55mV6.91mVPass
40% Load11.51mV12.26mV12.94mV7.42mVPass
50% Load12.38mV12.41mV12.74mV8.90mVPass
60% Load12.02mV13.23mV13.91mV9.31mVPass
70% Load12.69mV13.79mV13.81mV11.15mVPass
80% Load13.92mV13.94mV15.09mV13.41mVPass
90% Load16.73mV13.84mV13.50mV15.35mVPass
100% Load23.08mV15.37mV15.58mV19.03mVPass
110% Load24.74mV15.71mV15.53mV20.77mVPass
Crossload119.60mV13.51mV14.53mV6.16mVPass
Crossload214.64mV11.85mV11.97mV4.81mVPass
Crossload30.00mV0.00mV0.00mV0.00mVPass
Crossload423.31mV14.69mV14.96mV14.95mVPass

The results above are not used in the certification process

Cooler Master V850 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
www.cybenetics.com - info@cybenetics.com