CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Cooler Master V550 Gold SFX (2021)
Serial NumberMPY5501SFHAGVEU1210500001
Lab IDCM55001834
  • Report: 21PS1834A
  • Receipt Date: Apr 5, 2021
  • Test Date: Apr 16, 2021
  • Report Date: Apr 21, 2021
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandCooler Master
Manufacturer (OEM)Gospower
SeriesV Gold SFX Series
Model NumberMPY-5501-SFHAGV
Serial NumberMPY5501SFHAGVEU1210500001
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)8-4
Rated Frequency (Hz)50-60
Rated Power (W)550
TypeSFX
Cooling92mm Fluid Dynamic Bearing Fan
(HA9215VH12FD-F00)
Semi-Passive Operation✓
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202045.830.3
Watts120549.6153.6
Total Max. Power (W)550

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 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  GBU2508 (800V, 25A @ 98°C)
APFC MOSFETs 2x STMicroelectronics STF33N60DM2 (650V, 15.5A @ 100°C, Rds(on): 0.13Ohm)
APFC Boost Diode 1x
Bulk Cap(s) 1x Nichicon (450V, 390uF, 2,000h @ 105°C, GM)
Main Switchers 2x Sanrise Tech SRC60R140BTFE (630V, 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: 29x FPCAP
Supervisor IC -
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)20.8
AC Loss to PWR_OK Hold Up Time (ms)15.6
PWR_OK Inactive to DC Loss Delay (ms)5.2

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 0.232 66.667% 0.041
5.145V 0.348 115.16V
2 0.090A 0.463 72.913% 0.074
5.144V 0.635 115.15V
3 0.550A 2.822 79.381% 0.295
5.131V 3.555 115.15V
4 1.000A 5.119 79.748% 0.386
5.118V 6.419 115.14V
5 1.500A 7.657 79.744% 0.433
5.103V 9.602 115.14V
6 3.000A 15.179 77.594% 0.502
5.060V 19.562 115.11V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.232 58.883% 0.014
5.144V 0.394 230.34V
2 0.090A 0.463 67.789% 0.025
5.143V 0.683 230.34V
3 0.550A 2.822 79.092% 0.119
5.130V 3.568 230.30V
4 1.000A 5.118 80.006% 0.193
5.117V 6.397 230.30V
5 1.500A 7.656 80.344% 0.253
5.103V 9.529 230.30V
6 3.000A 15.177 79.507% 0.351
5.059V 19.089 230.31V

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 2.749A 2.000A 1.955A 0.979A 54.962 83.354% 1911 32.8 40.19°C 0.973
12.139V 4.998V 3.374V 5.108V 65.938 42.79°C 115.16V
2 6.528A 3.003A 2.939A 1.177A 110.028 88.254% 2123 35.6 40.72°C 0.980
12.122V 4.993V 3.369V 5.098V 124.672 44.21°C 115.15V
3 10.651A 3.510A 3.432A 1.376A 165.024 90.151% 2148 36.2 40.73°C 0.988
12.109V 4.987V 3.364V 5.088V 183.052 44.75°C 115.14V
4 14.783A 4.016A 3.929A 1.576A 220.026 90.732% 2310 38.2 41.39°C 0.980
12.096V 4.982V 3.360V 5.077V 242.502 45.84°C 115.13V
5 18.576A 5.025A 4.920A 1.777A 275.018 90.869% 2360 38.8 42.20°C 0.982
12.086V 4.976V 3.354V 5.066V 302.654 47.27°C 115.15V
6 22.380A 6.037A 5.914A 1.979A 330.011 90.787% 2459 40.1 42.41°C 0.986
12.073V 4.971V 3.349V 5.054V 363.499 48.68°C 115.18V
7 26.196A 7.051A 6.911A 2.182A 385.092 90.527% 2544 41.2 43.01°C 0.989
12.062V 4.965V 3.343V 5.043V 425.389 49.79°C 115.22V
8 30.016A 8.002A 7.910A 2.386A 439.803 90.131% 2730 42.9 43.52°C 0.991
12.051V 4.959V 3.337V 5.030V 487.960 50.88°C 115.19V
9 34.234A 8.579A 8.400A 2.389A 494.646 89.842% 2781 42.9 44.20°C 0.993
12.039V 4.954V 3.333V 5.025V 550.576 52.42°C 115.19V
10 38.260A 9.095A 8.926A 3.001A 549.860 89.361% 2852 43.7 45.53°C 0.994
12.027V 4.948V 3.327V 5.001V 615.327 54.66°C 115.18V
11 42.895A 9.106A 8.938A 3.004A 605.097 88.942% 2965 45.3 46.71°C 0.995
12.015V 4.943V 3.323V 4.994V 680.331 56.46°C 115.20V
CL1 0.117A 14.003A 13.999A 0.000A 118.150 84.690% 2678 42.4 42.96°C 0.985
12.133V 4.984V 3.353V 5.114V 139.508 47.63°C 115.13V
CL2 45.845A 1.000A 1.000A 1.000A 564.284 89.995% 2656 41.6 45.90°C 0.994
12.017V 4.954V 3.339V 5.073V 627.017 54.68°C 115.15V

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 2.747A 2.001A 1.956A 0.979A 54.963 84.198% 2071 34.9 40.12°C 0.815
12.143V 4.999V 3.375V 5.108V 65.278 43.75°C 230.32V
2 6.528A 3.004A 2.938A 1.177A 110.029 89.926% 2058 34.6 40.74°C 0.908
12.122V 4.993V 3.369V 5.097V 122.355 44.60°C 230.32V
3 10.652A 3.509A 3.434A 1.376A 165.025 91.795% 2166 36.4 41.50°C 0.937
12.108V 4.987V 3.364V 5.087V 179.775 45.87°C 230.32V
4 14.784A 4.016A 3.927A 1.576A 220.028 92.528% 2246 37.3 42.11°C 0.952
12.096V 4.982V 3.359V 5.077V 237.797 47.23°C 230.32V
5 18.579A 5.025A 4.920A 1.777A 275.023 92.683% 2540 41.1 42.85°C 0.959
12.084V 4.977V 3.354V 5.066V 296.734 48.60°C 230.32V
6 22.375A 6.036A 5.914A 1.980A 330.016 92.710% 2562 41.2 43.04°C 0.965
12.076V 4.971V 3.349V 5.053V 355.965 49.43°C 230.33V
7 26.198A 7.052A 6.912A 2.182A 385.099 92.665% 2573 41.1 43.69°C 0.967
12.061V 4.965V 3.343V 5.043V 415.581 50.81°C 230.35V
8 30.020A 8.002A 7.911A 2.386A 439.823 92.444% 2700 42.6 43.87°C 0.970
12.050V 4.959V 3.337V 5.030V 475.773 51.82°C 230.34V
9 34.241A 8.583A 8.403A 2.389A 494.674 92.307% 2733 42.9 44.07°C 0.973
12.037V 4.953V 3.332V 5.025V 535.903 52.85°C 230.33V
10 38.269A 9.097A 8.926A 3.001A 549.899 91.954% 2877 44.2 45.55°C 0.975
12.025V 4.948V 3.327V 5.000V 598.015 54.85°C 230.37V
11 42.914A 9.104A 8.938A 3.002A 605.103 91.764% 2927 44.8 46.54°C 0.976
12.010V 4.943V 3.323V 4.998V 659.409 56.31°C 230.36V
CL1 0.117A 14.001A 14.001A 0.000A 118.146 86.188% 2685 42.4 42.29°C 0.917
12.134V 4.984V 3.353V 5.113V 137.080 48.47°C 230.37V
CL2 45.845A 1.000A 1.000A 1.000A 564.241 92.663% 2629 41.3 45.44°C 0.974
12.016V 4.954V 3.339V 5.073V 608.914 54.59°C 230.35V

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 1.221A 0.501A 0.487A 0.195A 19.992 53.489% 1638 28.1 0.940
12.153V 5.002V 3.379V 5.136V 37.376 115.17V
2 2.442A 1.001A 0.976A 0.390A 39.981 80.356% 1670 28.7 0.961
12.154V 5.000V 3.377V 5.128V 49.755 115.17V
3 3.673A 1.501A 1.466A 0.586A 60.011 84.687% 1848 31.9 0.976
12.132V 4.998V 3.375V 5.120V 70.862 115.16V
4 4.894A 2.002A 1.957A 0.782A 79.960 86.776% 1887 32.3 0.978
12.129V 4.996V 3.373V 5.113V 92.145 115.16V

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]) PF/AC Volts
1 1.221A 0.500A 0.489A 0.195A 19.992 53.965% 1770 30.5 0.682
12.152V 5.002V 3.379V 5.136V 37.046 230.39V
2 2.442A 1.000A 0.977A 0.390A 39.981 81.497% 1856 31.9 0.757
12.155V 5.000V 3.377V 5.127V 49.058 230.33V
3 3.672A 1.502A 1.466A 0.586A 60.011 86.072% 1842 31.7 0.826
12.134V 4.998V 3.375V 5.120V 69.722 230.33V
4 4.894A 2.002A 1.957A 0.783A 79.960 88.276% 1942 33.2 0.867
12.128V 4.996V 3.373V 5.112V 90.580 230.32V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load18.10mV5.40mV3.90mV6.60mVPass
20% Load10.70mV6.10mV4.50mV8.20mVPass
30% Load9.10mV6.70mV4.80mV8.30mVPass
40% Load9.10mV7.40mV5.20mV9.10mVPass
50% Load9.50mV7.40mV4.70mV10.00mVPass
60% Load8.40mV7.70mV4.80mV10.60mVPass
70% Load8.30mV8.30mV5.10mV11.70mVPass
80% Load8.90mV8.30mV9.00mV13.00mVPass
90% Load9.30mV9.40mV8.70mV14.00mVPass
100% Load12.40mV10.40mV9.40mV15.10mVPass
110% Load13.10mV11.00mV9.80mV15.90mVPass
Crossload114.20mV8.40mV10.40mV7.70mVPass
Crossload212.80mV9.80mV5.80mV12.90mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load22.90mV6.10mV4.20mV7.10mVPass
20% Load12.80mV6.30mV4.40mV8.20mVPass
30% Load9.50mV6.80mV4.80mV8.80mVPass
40% Load9.80mV7.80mV4.30mV8.70mVPass
50% Load10.50mV7.90mV5.60mV10.40mVPass
60% Load9.90mV7.80mV5.30mV11.10mVPass
70% Load10.50mV8.70mV5.40mV11.80mVPass
80% Load9.50mV8.60mV9.00mV12.90mVPass
90% Load10.10mV9.00mV8.20mV13.40mVPass
100% Load14.20mV10.60mV9.40mV15.30mVPass
110% Load14.70mV10.40mV9.80mV16.50mVPass
Crossload115.90mV8.60mV10.60mV8.40mVPass
Crossload214.10mV9.50mV5.70mV12.30mVPass

The results above are not used in the certification process

Cooler Master V550 Gold SFX (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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