CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
Cooler Master G GOLD 550 V2 (MWE GOLD 550 V3 Non-Modular)
Serial NumberMPE5502ACAAGEU1241400151
Lab IDCM55002484
Certification ID252484
  • Test Result Report ID: 24PS2484A
  • Certificate Issue Date: Jul 1, 2024
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Outside Validation Scope
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

DUT Information

BrandCooler Master
Manufacturer (OEM)Gospower
SeriesG Gold V2
Model NumberMPE-5502-ACAAG
Serial NumberMPE5502ACAAGEU1241400151
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)8-4
Rated Frequency (Hz)50-60
Rated Power (W)550
TypeATX12V
Dimensions (W x H x D)
Cooling120mm Fluid Dynamic Bearing Fan
(HA1225H12F-Z)
Semi-Passive Operation✓
Cable DesignFixed cables

Power Specifications

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

Test Equipment

Electronic Loads Chroma 63601-5 x2
Chroma 63600-2
Chroma 63640-80-80 x10
Chroma 63610-80-20
AC Sources Chroma 6530, APM SP300VAC4000W-P, GW Instek ASR-3500
Power Analyzers Rohde & Schwarz HMC8015 & NPA701
Oscilloscopes Picoscope 4444, Siglent SDS2104X PLUS
Sound Analyzer Bruel & Kjaer 2270 G4
Microphone Bruel & Kjaer Type 4955-A
Temperature Logger Picoscope TC-08
Tachometer UNI-T UT372
Multimeters Keysight 34465A
EMI Analyzer TekBox TBMR-110M-EU
Isolation Transformer 4kVA
UPS FSP Champ Tower 3kVA, CyberPower OLS3000E 3kVA
Testing Methodology Cybenetics PSU Test Protocol

Cables and Connectors(Non-accredited measurements)

Captive Cables
Description Cable Count Connector Count (Total) Gauge In Cable Capacitors
ATX connector 24 pin (500mm) 1 1 18AWG No
4+4 pin EPS12V (580mm) 1 1 18AWG No
6+2 pin PCIe (600mm+125mm) 1 2 16-18AWG No
SATA (410mm+150mm+150mm) 2 6 18AWG No
4-pin Molex (400mm+150mm+150mm) 1 3 18AWG No
Modular Cables
AC Power Cord (1380mm) - C13 coupler 1 1 18AWG -

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✓
ATX v3.1 PSU Power Excursion✓

Performance Summary

Efficiency RatingGOLD
Noise RatingA
Average Efficiency (>1450 load combinations)87.721%
Average Noise Output (>1450 Load Combinations)22.82dBA
Average PF (>1450 Load Combinations)0.977
Efficiency With 10W (≤500W) or 2% (>500W) Load71.339%
Standby Power Consumption0.0743W
12V Ripple (Full Load)73.10mV
5V Ripple (Full Load)22.02mV
3.3V Ripple (Full Load)18.33mV
5VSB Ripple (Full Load)44.44mV
12V Load Regulation1.42%
5V Load Regulation2.99%
3.3V Load Regulation3.44%
5VSB Load Regulation3.99%
Inrush Current65.900A
Efficiency Rating
Noise RatingA-
Average Efficiency (>1450 load combinations)89.325%
Average Noise Output (>1450 Load Combinations)25.86dBA
Average PF (>1450 Load Combinations)0.899
Efficiency With 10W (≤500W) or 2% (>500W) Load73.187%
Standby Power Consumption0.2015W
12V Ripple (Full Load)71.21mV
5V Ripple (Full Load)21.57mV
3.3V Ripple (Full Load)18.04mV
5VSB Ripple (Full Load)43.03mV
12V Load Regulation1.45%
5V Load Regulation3.01%
3.3V Load Regulation3.47%
5VSB Load Regulation4.01%
Inrush Current132.900A
12V Transient Response (150%)11.75V
5V Transient Response (150%)4.967V
3.3V Transient Response (150%)3.222V
5VSB Transient Response (150%)4.998V
Hold-Up Time & Power Ok Signal16.40ms
AC Loss to PWR_OK Hold Up Time14.40ms
PWR_OK Inactive to DC Loss Delay2.00ms
PSU Timings: T1 (20% / 100%)45.0ms45.0ms
PSU Timings: T3 (20% / 100%)126.0ms127.0ms
12V OCP (26.4°C / 43.0°C)69.00A (150.66%), 11.925V68.80A (150.22%), 11.948V
5V OCP (26.4°C / 43.0°C)25.9A (129.50%), 4.967V25.2A (126.00%), 4.969V
3.3V OCP (26.4°C / 43.0°C)30A (150.00%), 3.289V30A (150.00%), 3.287V
5VSB OCP (26.4°C / 43.0°C)4.2A (140.00%), 5.019V4.2A (140.00%), 5.002V
OPP (26.28°C / 43.42°C)150.00%150.00%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)16.4
AC Loss to PWR_OK Hold Up Time (ms)14.4
PWR_OK Inactive to DC Loss Delay (ms)2

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.07 V 115.04 V 113.85 V 115.11 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.95 Hz 59.40 Hz 60.01 Hz 60.60 Hz PASS
Mains Voltage CF: 1.416 1.415 1.340 1.418 1.490 PASS
Mains Voltage THD: 0.13 % 0.09 % N/A 0.18 % 2.00 % PASS
Real Power: 0.074 W 0.017 W N/A 0.103 W N/A N/A
Apparent Power: 15.970 W 15.896 W N/A 16.056 W N/A N/A
Power Factor: 0.004 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 231.03 V 230.93 V 227.70 V 231.10 V 232.30 V PASS
Mains Frequency: 50.00 Hz 49.99 Hz 49.50 Hz 50.01 Hz 50.50 Hz PASS
Mains Voltage CF: 1.417 1.416 1.340 1.419 1.490 PASS
Mains Voltage THD: 0.17 % 0.14 % N/A 0.26 % 2.00 % PASS
Real Power: 0.201 W 0.162 W N/A 0.284 W N/A N/A
Apparent Power: 52.685 W 52.427 W N/A 52.949 W N/A N/A
Power Factor: 0.004 N/A N/A N/A N/A N/A

Graphs

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

Conducted Emissions EN55032 & CISPR 32

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 0.232W 57.559% 0.025
5.147V 0.404W 114.86V
2 0.09A 0.463W 67.282% 0.043
5.146V 0.688W 114.86V
3 0.55A 2.823W 77.222% 0.202
5.132V 3.656W 114.86V
4 1A 5.119W 77.843% 0.306
5.119V 6.576W 114.86V
5 1.5A 7.656W 77.841% 0.371
5.103V 9.835W 114.86V
6 3A 15.173W 75.488% 0.461
5.057V 20.1W 114.86V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.232W 43.948% 0.01
5.145V 0.527W 229.94V
2 0.09A 0.463W 58.714% 0.015
5.144V 0.781W 229.95V
3 0.55A 2.822W 75.848% 0.068
5.13V 3.713W 229.95V
4 1A 5.118W 77.314% 0.117
5.118V 6.625W 229.95V
5 1.5A 7.655W 78.142% 0.165
5.103V 9.793W 229.94V
6 3A 15.175W 77.013% 0.276
5.058V 19.703W 229.94V

Protection Features

OCP (Cold @ 26.4°C)12V: 69.00A (150.66%), 11.925V
5V: 25.9A (129.50%), 4.967V
3.3V: 30A (150.00%), 3.289V
5VSB: 4.2A (140.00%), 5.019V
OCP (Hot) @ 43.0°C)12V: 68.80A (150.22%), 11.948V
5V: 25.2A (126.00%), 4.969V
3.3V: 30A (150.00%), 3.287V
5VSB: 4.2A (140.00%), 5.002V
OPP (Cold @ 26.3°C)824.99W (150.00%)
OPP (Hot @ 43.4°C)825.00W (150.00%)
OTP✓ (110°C @ Secondary Side)
SCP12V to Earth: ✓
5V to Earth: ✓
3.3V to Earth: ✓
5VSB to Earth: ✓
-12V to Earth: ✓
PWR_OKProper Operation
NLO✓
Fan Failure Protection✗
SIPSurge: MOV
Inrush: NTC & Bypass Relay

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% 2.744A 1.954A 1.965A 0.98A 54.998 82.046% 995 20.1 40.38°C 0.929
12.170V 5.118V 3.358V 5.104V 67.048 41.88°C 114.84V
20% 6.507A 2.94A 2.958A 1.18A 109.929 87.582% 1206 26 40.63°C 0.971
12.146V 5.103V 3.347V 5.087V 125.518 42.69°C 114.83V
30% 10.625A 3.438A 3.461A 1.381A 164.92 89.152% 1287 28.3 41.15°C 0.982
12.128V 5.091V 3.337V 5.071V 184.99 43.73°C 114.81V
40% 14.763A 3.938A 3.967A 1.583A 219.997 89.589% 1374 30.1 41.69°C 0.984
12.110V 5.079V 3.327V 5.054V 245.563 44.24°C 114.79V
50% 18.565A 4.938A 4.977A 1.787A 274.984 89.522% 1495 32.4 42.31°C 0.986
12.092V 5.064V 3.316V 5.037V 307.171 45.17°C 114.77V
60% 22.378A 5.944A 5.993A 1.993A 329.971 89.203% 1591 34.3 42.67°C 0.982
12.073V 5.048V 3.304V 5.019V 369.907 45.96°C 114.75V
70% 26.200A 6.958A 7.018A 2.2A 384.963 88.708% 1593 34.3 43.21°C 0.981
12.055V 5.031V 3.292V 5.001V 433.965 46.85°C 114.72V
80% 30.030A 7.976A 8.048A 2.307A 439.393 88.084% 1588 34.2 43.84°C 0.982
12.038V 5.014V 3.28V 4.985V 498.831 48.97°C 114.71V
90% 34.266A 8.497A 8.565A 2.415A 494.406 87.502% 1580 34 44.21°C 0.984
12.021V 5.001V 3.269V 4.97V 565.03 49.69°C 114.69V
100% 38.319A 9.022A 9.118A 3.037A 549.621 86.7% 1592 34.3 45.54°C 0.986
12.003V 4.987V 3.257V 4.939V 633.933 52.13°C 114.67V
110% 42.249A 10.061A 10.263A 3.046A 604.625 85.957% 1591 34.3 46.85°C 0.987
11.985V 4.969V 3.244V 4.924V 703.398 54.29°C 114.65V
CL1 0.114A 14.406A 14.391A 0.001A 121.287 81.248% 1583 34.1 41.6°C 0.974
12.146V 5.012V 3.314V 5.089V 149.281 45.89°C 114.82V
CL2 0.114A 19.968A 0A 0.001A 101.365 80.096% 1529 33 40.63°C 0.972
12.160V 5.007V 3.335V 5.109V 126.555 43.49°C 114.82V
CL3 0.114A 0A 19.8A 0.001A 67.383 74.558% 1543 33.3 41.46°C 0.957
12.158V 5.097V 3.333V 5.107V 90.382 43.53°C 114.84V
CL4 45.778A 0A 0A 0.001A 549.459 87.975% 1595 34.3 45.53°C 0.985
12.002V 5.062V 3.289V 5.054V 624.56 50.16°C 114.67V

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% 2.744A 1.954A 1.965A 0.98A 54.996 82.574% 1000 20.2 40.27°C 0.637
12.169V 5.118V 3.359V 5.104V 66.602 42.19°C 229.94V
20% 6.507A 2.94A 2.957A 1.179A 109.922 88.397% 1090 22.9 40.73°C 0.797
12.144V 5.103V 3.347V 5.087V 124.356 41.97°C 229.93V
30% 10.627A 3.437A 3.461A 1.38A 164.911 90.281% 1169 25.1 41.02°C 0.868
12.125V 5.091V 3.337V 5.071V 182.668 42.63°C 229.92V
40% 14.767A 3.938A 3.967A 1.583A 219.988 90.97% 1289 28.3 41.8°C 0.902
12.107V 5.079V 3.327V 5.055V 241.827 43.47°C 229.91V
50% 18.567A 4.938A 4.977A 1.787A 274.98 91.064% 1403 30.9 42.33°C 0.923
12.090V 5.064V 3.315V 5.037V 301.961 43.84°C 229.9V
60% 22.380A 5.944A 5.994A 1.992A 329.968 90.949% 1540 33.2 42.76°C 0.935
12.071V 5.048V 3.304V 5.02V 362.805 45.21°C 229.89V
70% 26.203A 6.959A 7.019A 2.2A 384.967 90.658% 1594 34.3 43.41°C 0.943
12.054V 5.031V 3.291V 5.001V 424.637 45.74°C 229.88V
80% 30.039A 7.978A 8.051A 2.307A 439.395 90.257% 1592 34.3 43.77°C 0.95
12.034V 5.013V 3.279V 4.985V 486.827 46.32°C 229.87V
90% 34.276A 8.499A 8.567A 2.414A 494.403 89.898% 1588 34.2 44.66°C 0.954
12.017V 5V 3.268V 4.97V 549.964 47.83°C 229.87V
100% 38.330A 9.024A 9.12A 3.037A 549.623 89.351% 1592 34.3 45.11°C 0.958
11.999V 4.986V 3.256V 4.939V 615.134 49.26°C 229.86V
110% 42.260A 10.063A 10.266A 3.047A 604.624 88.766% 1596 34.3 46.25°C 0.962
11.981V 4.968V 3.243V 4.924V 681.118 51.33°C 229.85V
CL1 0.114A 14.407A 14.392A 0.001A 121.287 82.216% 1588 34.2 41.78°C 0.83
12.145V 5.011V 3.314V 5.089V 147.516 45.71°C 229.94V
CL2 0.114A 19.97A 0A 0.001A 101.365 80.82% 1502 32.5 40.33°C 0.798
12.158V 5.006V 3.335V 5.11V 125.418 42.77°C 229.94V
CL3 0.113A 0A 19.802A 0.001A 67.381 75.135% 1473 32.1 40.78°C 0.72
12.157V 5.097V 3.333V 5.107V 89.678 42.24°C 229.94V
CL4 45.795A 0A 0A 0.001A 549.46 90.586% 1599 34.3 46.35°C 0.957
11.998V 5.061V 3.288V 5.055V 606.57 48.11°C 229.86V

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 1.232A 0.487A 0.49A 0.195A 19.997 78.919% 0 <6.0 41.5°C 0.74
12.052V 5.136V 3.369V 5.136V 25.345 36.87°C 114.85V
40W 2.690A 0.682A 0.686A 0.292A 39.997 81.233% 705 8.1 37.62°C 0.895
12.151V 5.131V 3.365V 5.13V 49.244 39.4°C 114.84V
60W 4.150A 0.878A 0.883A 0.39A 59.996 84.123% 979 19.5 38.2°C 0.933
12.174V 5.127V 3.362V 5.123V 71.32 40.69°C 114.83V
80W 5.619A 1.074A 1.081A 0.489A 79.936 86.208% 1026 21 39.13°C 0.958
12.158V 5.122V 3.358V 5.116V 92.727 41.07°C 114.83V

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 1.232A 0.487A 0.49A 0.195A 19.993 78.117% 0 <6.0 42.28°C 0.357
12.052V 5.136V 3.369V 5.137V 25.596 36.4°C 229.94V
40W 2.690A 0.682A 0.686A 0.292A 39.993 80.986% 711 8.4 37.84°C 0.548
12.151V 5.131V 3.365V 5.13V 49.394 39.97°C 229.94V
60W 4.150A 0.878A 0.883A 0.39A 59.993 84.488% 914 17.3 38.81°C 0.656
12.174V 5.127V 3.362V 5.124V 71.008 40.57°C 229.93V
80W 5.617A 1.074A 1.081A 0.489A 79.93 87.099% 930 17.6 39.16°C 0.728
12.158V 5.122V 3.358V 5.117V 91.769 40.73°C 229.93V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load135.51mV15.61mV11.17mV29.37mVFail
20% Load56.73mV12.00mV9.67mV29.58mVPass
30% Load55.13mV12.37mV10.08mV29.83mVPass
40% Load54.77mV12.98mV10.96mV30.30mVPass
50% Load55.24mV13.50mV11.69mV32.67mVPass
60% Load55.85mV14.32mV11.63mV33.24mVPass
70% Load55.75mV15.04mV12.77mV33.96mVPass
80% Load55.80mV18.86mV14.48mV34.32mVPass
90% Load55.02mV19.22mV14.32mV37.11mVPass
100% Load73.10mV22.02mV18.33mV44.44mVPass
110% Load73.89mV23.07mV19.60mV45.85mVPass
Crossload168.33mV29.13mV21.14mV34.05mVPass
Crossload254.00mV42.50mV15.67mV31.07mVPass
Crossload339.99mV13.81mV19.86mV29.88mVPass
Crossload468.94mV14.02mV10.43mV33.68mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load140.92mV16.43mV14.69mV30.45mVFail
20% Load66.78mV12.52mV9.67mV30.30mVPass
30% Load61.78mV12.62mV10.65mV30.66mVPass
40% Load60.18mV18.24mV15.31mV31.02mVPass
50% Load60.80mV13.91mV11.84mV31.33mVPass
60% Load60.18mV15.09mV12.41mV33.65mVPass
70% Load60.03mV15.45mV12.82mV33.29mVPass
80% Load60.39mV18.24mV14.74mV34.58mVPass
90% Load59.67mV20.35mV15.51mV35.41mVPass
100% Load71.21mV21.57mV18.04mV43.03mVPass
110% Load73.60mV23.05mV19.34mV44.11mVPass
Crossload171.35mV28.93mV22.11mV35.17mVPass
Crossload261.21mV43.94mV16.44mV32.11mVPass
Crossload349.31mV13.86mV19.81mV30.92mVPass
Crossload467.71mV14.23mV11.79mV31.20mVPass

The results above are not used in the certification process

Cooler Master G GOLD 550 V2 (MWE GOLD 550 V3 Non-Modular)

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