CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Cooler Master V850 Gold V2
Serial NumberMPY850VAFBAGEU1204600002
Lab IDCM85001766
  • Report: 20PS1766A
  • Receipt Date: Dec 4, 2020
  • Test Date: Dec 11, 2020
  • Report Date: Dec 14, 2020
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandCooler Master
Manufacturer (OEM)Gospower
SeriesV Gold V2 Series
Model NumberMPY-850V-AFBAG-EU
Serial NumberMPY850VAFBAGEU1204600002
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)12-6
Rated Frequency (Hz)50-60
Rated Power (W)850
TypeATX12V
Cooling135mm Fluid Dynamic Bearing Fan
(HA13525M12F-Z)
Semi-Passive Operation✓ (selectable)
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 (650mm) 1 1 18-22AWG No
8 pin EPS12V (650mm) 1 1 18AWG No
4+4 pin EPS12V (650mm) 1 1 18AWG No
6+2 pin PCIe (600mm+120mm) 3 6 16-18AWG No
SATA (500mm+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 17AWG -

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 16D-20 (16 Ohm) & Relay
Bridge Rectifier(s) 2x Yangzhou Yangjie Electronics GBU3008 (800V, 30A @ 90°C)
APFC MOSFETs 2x Sanrise Tech SRC60R140BTFE (630V, 11.2A @ 125°C, Rds(on): 0.14Ohm)
APFC Boost Diode 1x CREE C3D16065 (650V, 16A @ 142°C)
Bulk Cap(s) 1x TK (450V, 680uF, 2,000h @ 105°C, LGW)
Main Switchers 2x Sanrise Tech SRC60R140BTFE (630V, 11.2A @ 125°C, Rds(on): 0.14Ohm)
APFC Controller Champion CM6500UNX & CM03AX
Resonant Controller Champion CU6901V
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 IPS FTD05N03NA (30V, 75A @ 100°C, Rds(on): 6mOhm)
PWM Controllers: ANPEC APW7159C
Filtering Capacitors Electrolytic: 2x Nippon Chemi-Con (5-6,000h @ 105°C, KZH), 1x Rubycon (6-10,000h @ 105°C, ZLH), 3x Rubycon (4-10,000h @ 105°C, YXJ), 2x Rubycon (4-10,000h @ 105°C, YXF)
Polymer: 42x FPCAP, 5x United Chemi-con
Supervisor IC IN1S313I-SAG
Fan Model Hong Hua HA13525M12F-Z (135mm, 12V, 0.36A, Fluid Dynamic Bearing Fan)
5VSB Circuit -
Rectifier 1x 45R15S
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)25.1
AC Loss to PWR_OK Hold Up Time (ms)22.7
PWR_OK Inactive to DC Loss Delay (ms)2.4

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 0.225 68.182% 0.311
4.993V 0.330 115.15V
2 0.090A 0.449 74.461% 0.354
4.992V 0.603 115.13V
3 0.550A 2.740 81.499% 0.463
4.982V 3.362 115.13V
4 1.000A 4.972 81.361% 0.503
4.973V 6.111 115.13 V
5 1.500A 7.444 81.187% 0.529
4.963V 9.169 115.14V
6 3.000A 14.791 79.347% 0.553
4.931V 18.641 115.15V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.225 61.308% 0.238
4.992V 0.367 230.30V
2 0.090A 0.449 69.720% 0.279
4.992V 0.644 230.31V
3 0.550A 2.740 81.137% 0.373
4.982V 3.377 230.31V
4 1.000A 4.973 81.752% 0.407
4.973V 6.083 230.30V
5 1.500A 7.444 81.937% 0.430
4.962V 9.085 230.31V
6 3.000A 14.791 81.189% 0.464
4.931V 18.218 230.32V

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
1 5.154A 1.947A 1.985A 1.007A 84.952 86.749% 0 <6.0 43.77°C 0.946
12.293V 5.135V 3.324V 4.964V 97.928 40.07°C 115.13V
2 11.340A 2.926A 2.981A 1.211A 170.005 90.835% 0 <6.0 44.91°C 0.956
12.267V 5.126V 3.321V 4.953V 187.158 40.65°C 115.13V
3 17.876A 3.418A 3.482A 1.416A 255.006 91.828% 0 <6.0 46.08°C 0.961
12.249V 5.118V 3.317V 4.943V 277.700 41.14°C 115.13V
4 24.432A 3.916A 3.985A 1.622A 340.012 91.743% 700 26.8 41.45°C 0.970
12.230V 5.109V 3.313V 4.932V 370.613 46.83°C 115.13V
5 30.651A 4.903A 4.986A 1.829A 424.807 91.460% 759 27.7 42.64°C 0.977
12.212V 5.099V 3.309V 4.920V 464.471 48.56°C 115.13V
6 36.857A 5.896A 5.992A 2.000A 509.142 90.994% 838 30.4 42.92°C 0.983
12.196V 5.090V 3.305V 4.910V 559.532 49.54°C 115.14V
7 43.156A 6.892A 7.000A 2.245A 594.632 90.389% 907 31.5 43.08°C 0.986
12.177V 5.080V 3.302V 4.898V 657.857 50.34°C 115.13V
8 49.470A 7.892A 8.002A 2.456A 679.965 89.707% 996 33.8 43.81°C 0.989
12.160V 5.071V 3.298V 4.886V 757.984 51.80°C 115.12V
9 56.198A 8.397A 8.497A 2.459A 764.856 88.901% 1099 37.0 44.14°C 0.991
12.142V 5.062V 3.295V 4.879V 860.350 52.74°C 115.12V
10 62.685A 8.906A 9.023A 3.088A 849.682 87.871% 1347 40.8 45.53°C 0.992
12.124V 5.052V 3.291V 4.858V 966.967 54.82°C 115.12V
11 69.782A 8.920A 9.031A 3.091A 934.465 86.928% 1426 42.6 46.52°C 0.994
12.106V 5.044V 3.288V 4.852V 1074.985 56.45°C 115.12V
CL1 0.120A 14.000A 13.998A 0.000A 119.557 82.607% 0 <6.0 48.32°C 0.966
12.284V 5.114V 3.321V 4.966V 144.729 42.22°C 115.16V
CL2 70.818A 0.999A 1.001A 1.000A 872.373 88.213% 1356 41.1 44.96°C 0.993
12.131V 5.072V 3.299V 4.911V 988.939 54.59°C 115.12V

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
1 5.154A 1.948A 1.984A 1.007A 84.951 87.860% 0 <6.0 43.43°C 0.898
12.292V 5.135V 3.324V 4.965V 96.689 40.22°C 230.30V
2 11.344A 2.927A 2.980A 1.211A 170.008 92.210% 0 <6.0 44.47°C 0.931
12.263V 5.126V 3.320V 4.954V 184.371 40.56°C 230.31V
3 17.876A 3.419A 3.481A 1.416A 255.013 93.216% 0 <6.0 45.90°C 0.941
12.249V 5.118V 3.318V 4.944V 273.572 41.14°C 230.32V
4 24.434A 3.916A 3.984A 1.622A 340.015 93.289% 693 25.6 41.36°C 0.946
12.229V 5.109V 3.314V 4.933V 364.473 46.51°C 230.31V
5 30.649A 4.904A 4.986A 1.829A 424.772 93.179% 728 27.1 41.56°C 0.953
12.211V 5.100V 3.310V 4.922V 455.865 47.49°C 230.32V
6 36.860A 5.895A 5.989A 2.000A 509.106 92.960% 814 29.4 43.11°C 0.959
12.194V 5.091V 3.306V 4.912V 547.660 49.77°C 230.32V
7 43.152A 6.892A 6.996A 2.245A 594.581 92.591% 908 31.5 43.30°C 0.962
12.177V 5.081V 3.302V 4.900V 642.161 50.47°C 230.32V
8 49.467A 7.890A 7.998A 2.454A 679.917 92.136% 997 33.8 43.57°C 0.965
12.160V 5.072V 3.299V 4.888V 737.951 51.59°C 230.32V
9 56.186A 8.393A 8.493A 2.458A 764.807 91.662% 1110 36.7 44.39°C 0.969
12.144V 5.063V 3.296V 4.881V 834.376 53.23°C 230.32V
10 62.676A 8.903A 9.016A 3.085A 849.620 91.032% 1343 40.6 45.37°C 0.972
12.125V 5.054V 3.292V 4.861V 933.319 54.65°C 230.32V
11 69.768A 8.916A 9.025A 3.089A 934.373 90.489% 1415 42.6 46.66°C 0.974
12.107V 5.047V 3.290V 4.856V 1032.578 56.60°C 230.32V
CL1 0.116A 14.000A 13.996A 0.000A 119.529 84.139% 0 <6.0 47.47°C 0.916
12.283V 5.115V 3.322V 4.967V 142.062 41.42°C 230.32V
CL2 70.815A 1.000A 1.001A 1.000A 872.273 91.475% 1344 40.8 45.88°C 0.973
12.130V 5.072V 3.300V 4.912V 953.568 54.83°C 230.31V

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]) PF/AC Volts
1 1.210A 0.486A 0.497A 0.200A 19.977 75.113% 0 <6.0 0.924
12.253V 5.144V 3.328V 4.987V 26.596 115.13V
2 2.410A 0.972A 0.992A 0.401A 39.968 79.374% 0 <6.0 0.935
12.314V 5.139V 3.325V 4.981V 50.354 115.13V
3 3.619A 1.460A 1.487A 0.603A 60.000 84.120% 0 <6.0 0.950
12.312V 5.137V 3.324V 4.975V 71.327 115.13V
4 4.827A 1.948A 1.984A 0.805A 79.951 86.378% 0 <6.0 0.942
12.296V 5.135V 3.324V 4.969V 92.559 115.13V

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]) PF/AC Volts
1 1.210A 0.486A 0.496A 0.200A 19.975 76.800% 0 <6.0 0.822
12.254V 5.145V 3.328V 4.987V 26.009 230.32V
2 2.410A 0.973A 0.991A 0.401A 39.967 80.913% 0 <6.0 0.864
12.313V 5.140V 3.325V 4.981V 49.395 230.31V
3 3.619A 1.460A 1.487A 0.603A 59.999 85.095% 0 <6.0 0.884
12.311V 5.137V 3.325V 4.976V 70.508 230.31V
4 4.828A 1.945A 1.986A 0.805A 79.950 87.472% 0 <6.0 0.895
12.295V 5.135V 3.324V 4.969V 91.401 230.31V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load21.00mV8.60mV9.10mV6.90mVPass
20% Load14.40mV7.80mV8.30mV7.00mVPass
30% Load8.40mV7.70mV7.80mV5.90mVPass
40% Load13.40mV8.00mV8.00mV7.70mVPass
50% Load8.60mV8.00mV7.20mV6.70mVPass
60% Load9.50mV8.00mV7.90mV8.20mVPass
70% Load14.50mV10.70mV9.40mV9.70mVPass
80% Load10.40mV9.60mV10.00mV8.90mVPass
90% Load11.10mV10.70mV11.80mV9.00mVPass
100% Load16.60mV13.10mV14.10mV13.30mVPass
110% Load17.80mV12.50mV13.20mV13.00mVPass
Crossload116.90mV9.50mV12.20mV6.40mVPass
Crossload216.20mV9.60mV10.40mV7.20mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load24.00mV7.10mV7.10mV5.40mVPass
20% Load15.60mV8.10mV8.80mV6.70mVPass
30% Load8.80mV8.00mV8.40mV6.00mVPass
40% Load14.00mV8.20mV8.80mV8.00mVPass
50% Load9.30mV8.20mV7.60mV7.40mVPass
60% Load15.50mV9.50mV10.30mV9.60mVPass
70% Load9.80mV9.40mV9.70mV7.80mVPass
80% Load10.20mV9.50mV10.50mV8.50mVPass
90% Load10.50mV10.40mV11.20mV9.30mVPass
100% Load16.70mV12.70mV14.00mV12.40mVPass
110% Load17.50mV12.70mV13.90mV13.10mVPass
Crossload119.20mV9.70mV12.30mV6.60mVPass
Crossload216.70mV9.40mV10.30mV7.10mVPass

The results above are not used in the certification process

Cooler Master V850 Gold V2

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