CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Cooler Master MWE Bronze 550 V3 230V
Serial NumberMPE5501ACABW3BEU1241500002
Lab IDCM55002483
Certification ID252483
  • Test Result Report ID: 24PS2483A
  • Certificate Issue Date: Jun 20, 2024
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Outside Validation Scope
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

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

DUT Information(Non-accredited measurements)

Product Identification Details
BrandCooler Master
ModelMWE Bronze 550 V3 230V
OEM/ODMGospower
Serial NumberMPE5501ACABW3BEU1241500002
Product Specifications
Manufacturer-Provided Information
Rated Voltage (Vrms)200-240
Rated Current (Arms)5
Rated Frequency (Hz)50-60
Rated Power (W)550
Operating Temperature (Continuous Full Load) (°C)
TypeATX12V
Cable DesignFixed cables
Warranty-
Cybenetics Measurements
Dimensions (W x H x D)
Weight
Cooling120mm Fluid Dynamic Bearing Fan
(HA1225H12F-Z)
Semi-Passive Operation✓
Cybenetics Testing Information
Lab IDCM55002483
Date of receiptMay 29, 2024
Testing DateJun 19, 2024
Report Issued DateJun 20, 2024
Engineer Name-
Authorized By the Laboratory Technical ManagerAristeidis Bitziopoulos
Signature

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(570mm) 1 1 18AWG No
6+2 pin PCIe (545mm+100mm) 1 2 16-18AWG No
SATA (430mm+150mm+150mm) 2 6 18AWG No
4-pin Molex (430mm+150mm+150mm) 1 3 18AWG No
Modular Cables
AC Power Cord (1380mm) - C13 coupler 1 1 18AWG -

Protection Features(Manufacturer)

Over Power Protection ✓
Over Current (+12V) Protection ✓
Over Temperature Protection ✓
Short Circuit Protection ✓
Surge Protection ✓
Inrush Current Protection ✓
Fan Failure Protection ✗

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps17174530.3
Watts110540153.6
Total Max. Power (W)550

Test Results

Temperature & Compliance Info

Temperature Range (°C /°F)28-32 / 82.4-89.6
ErP Lot 3/6 Ready✓
(EU) No 617/2013 Compliance✓
ALPM (Alternative Low Power Mode) compatible✓
ATX v3.1 PSU Power Excursion✓

Performance Summary 230V

Accredited
Average Efficiency (>1450 load combinations)87.453%
Average Noise Output (>1450 Load Combinations)27.29dBA
Average PF (>1450 Load Combinations)0.942
Efficiency With 10W (≤500W) or 2% (>500W) Load-
Standby Power Consumption0.1777W
Non-Accredited
12V Ripple (Full Load)44.61mV
5V Ripple (Full Load)18.04mV
3.3V Ripple (Full Load)18.13mV
5VSB Ripple (Full Load)51.14mV
12V Load Regulation1.66%
5V Load Regulation2.73%
3.3V Load Regulation3.47%
5VSB Load Regulation3.98%
Inrush Current225.300A
12V Transient Response (150%)11.72V
5V Transient Response (150%)4.959V
3.3V Transient Response (150%)3.233V
5VSB Transient Response (150%)4.984V
Hold-Up Time & PWR_OK Signal24.50ms
AC Loss to PWR_OK Hold Up Time22.80ms
PWR_OK Inactive to DC Loss Delay1.70ms
PSU Timings: T1 (20% / 100%)55.0ms56.0ms
PSU Timings: T3 (20% / 100%)114.0ms114.0ms
12V OCP (28.1°C / 43.0°C)68.60A (152.44%), 11.880V63.20A (140.44%), 11.915V
5V OCP (28.1°C / 43.0°C)25.4A (149.41%), 4.966V25.7A (151.18%), 4.962V
3.3V OCP (28.1°C / 43.0°C)30A (176.47%), 3.292V30A (176.47%), 3.291V
5VSB OCP (28.1°C / 43.0°C)4.5`A (150.00%), 4.998V4.3A (143.33%), 4.989V
OPP (27.96°C / 43.62°C)150.17%142.71%

Hold-Up Time & PWR_OK Signal

Hold-Up Time (ms)24.5
AC Loss to PWR_OK Hold Up Time (ms)22.8
PWR_OK Inactive to DC Loss Delay (ms)1.7

Stromverbrauch im Ruhezustand

Tables 230V

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 231.02 V 230.93 V 227.70 V 231.09 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 % 0.15 % N/A 0.26 % 2.00 % PASS
Real Power: 0.178 W 0.139 W N/A 0.241 W N/A N/A
Apparent Power: 51.973 W 51.669 W N/A 52.321 W N/A N/A
Power Factor: 0.003 N/A N/A N/A N/A N/A

Graphs 230V

Efficiency Graph

230V

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

230V

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 EN 55032 & 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) 230V

Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231W 47.924% 0.01
5.132V 0.483W 230.37V
2 0.09A 0.462W 59.845% 0.015
5.131V 0.773W 230.36V
3 0.55A 2.816W 75.592% 0.073
5.118V 3.726W 230.36V
4 1A 5.107W 77.056% 0.124
5.105V 6.627W 230.36V
5 1.5A 7.638W 77.641% 0.173
5.091V 9.835W 230.36V
6 3A 15.142W 76.568% 0.277
5.047V 19.779W 230.36V

Protection Features

OCP (Cold @ 28.1°C)12V: 68.60A (152.44%), 11.880V
5V: 25.4A (149.41%), 4.966V
3.3V: 30A (176.47%), 3.292V
5VSB: 4.5`A (150.00%), 4.998V
OCP (Hot) @ 43.0°C)12V: 63.20A (140.44%), 11.915V
5V: 25.7A (151.18%), 4.962V
3.3V: 30A (176.47%), 3.291V
5VSB: 4.3A (143.33%), 4.989V
OPP (Cold @ 28.0°C)825.92W (150.17%)
OPP (Hot @ 43.6°C)784.89W (142.71%)
OTP✓ (133°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 230V

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
10% 2.756A 1.962A 1.967A 0.983A 55.006 78.834% 1261 27.2 40.09°C 0.721
12.119V 5.098V 3.355V 5.089V 69.775 41.87°C 230.37V
20% 6.533A 2.951A 2.961A 1.183A 109.957 86.253% 1307 28.9 40.58°C 0.874
12.100V 5.084V 3.344V 5.072V 127.482 42.48°C 230.36V
30% 10.679A 3.451A 3.465A 1.385A 164.954 88.668% 1372 29.6 41.15°C 0.927
12.069V 5.073V 3.333V 5.056V 186.043 43.13°C 230.36V
40% 14.851A 3.952A 3.972A 1.588A 220.038 89.263% 1489 31.9 41.89°C 0.952
12.041V 5.062V 3.323V 5.04V 246.506 44.06°C 230.36V
50% 18.677A 4.955A 4.983A 1.792A 275.037 89.216% 1535 33.2 42.07°C 0.965
12.021V 5.047V 3.311V 5.023V 308.281 44.7°C 230.35V
60% 22.514A 5.963A 6.002A 1.999A 330.031 88.993% 1534 33.2 42.66°C 0.973
12.002V 5.032V 3.299V 5.005V 370.851 45.67°C 230.35V
70% 26.365A 6.978A 7.029A 2.206A 385.031 88.552% 1535 33.2 43.22°C 0.978
11.982V 5.017V 3.287V 4.986V 434.808 46.58°C 230.34V
80% 30.240A 7.998A 8.06A 2.314A 439.644 87.973% 1534 33.2 43.65°C 0.982
11.962V 5.002V 3.275V 4.971V 499.749 47.75°C 230.33V
90% 34.514A 8.517A 8.577A 2.422A 494.671 87.361% 1533 33.2 44°C 0.985
11.943V 4.99V 3.264V 4.955V 566.236 48.49°C 230.32V
100% 38.592A 9.041A 9.13A 3.047A 549.886 86.479% 1531 33.2 45.64°C 0.986
11.925V 4.978V 3.253V 4.925V 635.861 50.99°C 230.31V
110% 42.555A 10.078A 10.278A 3.056A 604.902 85.465% 1531 33.2 46.38°C 0.988
11.905V 4.961V 3.24V 4.91V 707.779 52.52°C 230.3V
CL1 0.116A 13.203A 13.195A 0.001A 111.304 80.72% 1524 33 40.92°C 0.889
12.106V 5.014V 3.312V 5.077V 137.889 44.54°C 230.36V
CL2 0.115A 16.937A 0A 0.001A 86.402 79.092% 1528 33.1 40.08°C 0.842
12.117V 5.019V 3.34V 5.1V 109.243 42.7°C 230.36V
CL3 0.115A 0A 16.86A 0.001A 57.494 72.381% 1531 33.2 40.87°C 0.76
12.111V 5.089V 3.327V 5.097V 79.431 43.21°C 230.36V
CL4 46.136A 0A 0A 0.001A 549.675 87.759% 1538 33 45.8°C 0.986
11.914V 5.045V 3.288V 5.039V 626.353 49.38°C 230.3V

The results above are not used in the certification process

Light Load Tests 230V

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
20W 1.228A 0.489A 0.49A 0.195A 20.001 81.701% 0 <6.0 42.33°C 0.367
12.101V 5.114V 3.366V 5.121V 24.483 36.7°C 230.36V
40W 2.696A 0.685A 0.687A 0.293A 40 65.43% 1124 24.7 37.22°C 0.672
12.122V 5.11V 3.362V 5.114V 61.136 40.21°C 230.36V
60W 4.170A 0.882A 0.884A 0.392A 60.002 80.23% 1195 25.3 38.5°C 0.742
12.118V 5.107V 3.359V 5.106V 74.719 40.86°C 230.37V
80W 5.643A 1.078A 1.082A 0.49A 79.96 84.167% 1216 26.3 39.35°C 0.808
12.108V 5.101V 3.355V 5.101V 95.002 41.18°C 230.36V

The results above are not used in the certification process

Ripple Measurements 230V

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 10.7 mV 11.4 mV 6.0 mV 34.7 mV Pass
20% Load 9.7 mV 11.5 mV 7.0 mV 34.7 mV Pass
30% Load 36.0 mV 11.8 mV 7.2 mV 35.7 mV Pass
40% Load 30.7 mV 11.8 mV 7.6 mV 36.4 mV Pass
50% Load 28.9 mV 12.2 mV 8.5 mV 36.8 mV Pass
60% Load 28.7 mV 13.0 mV 9.3 mV 37.8 mV Pass
70% Load 28.5 mV 14.0 mV 10.2 mV 39.8 mV Pass
80% Load 28.4 mV 15.5 mV 15.8 mV 40.5 mV Pass
90% Load 28.9 mV 16.0 mV 17.0 mV 41.6 mV Pass
100% Load 44.6 mV 18.0 mV 18.1 mV 51.1 mV Fail
110% Load 46.0 mV 19.7 mV 19.0 mV 52.4 mV Fail
Crossload 1 18.2 mV 20.9 mV 21.2 mV 37.2 mV Pass
Crossload 2 15.5 mV 24.3 mV 10.3 mV 36.4 mV Pass
Crossload 3 15.1 mV 14.9 mV 20.8 mV 36.4 mV Pass
Crossload 4 41.5 mV 14.0 mV 9.5 mV 38.3 mV Pass

The results above are not used in the certification process

Cooler Master MWE Bronze 550 V3 230V

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Power specifications label
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