CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Cooler Master MWE Bronze 550
Serial NumberMPE5501ACAAB1191400003
Lab IDCM19550052
  • Report:
  • Receipt Date: Jul 5, 2019
  • Test Date: Oct 6, 2019
  • Report Date: Jun 21, 2019
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandCooler Master
Manufacturer (OEM)Gospower
SeriesMWE Bronze
Model Number
Serial NumberMPE5501ACAAB1191400003
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)8-4
Rated Frequency (Hz)50-60
Rated Power (W)550
TypeATX12V
Cooling120mm Rifle Bearing Fan
(DF1202512SELN)
Semi-Passive Operation✓
Cable DesignFixed cables

Power Specifications

Rail 3.3V 5V 12V 5VSB -12V
Max. Power Amps 20 20 45.8 3 0.3
Watts 120 549.6 15 3.6
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
UPS CyberPower OLS3000E 3kVA x2
Transformer 3kVA x2
Testing Methodology Cybenetics PSU Test Protocol

Cables and Connectors

Captive Cables
Description Cable Count Connector Count (Total) Gauge In Cable Capacitors
ATX connector 20+4 pin (610mm) 1 1 18-20AWG No
4+4 pin EPS12V (630mm) 1 1 18AWG No
6+2 pin PCIe (530mm+120mm) 1 2 18AWG No
SATA (520mm+120mm+120mm) 2 6 18AWG No
4-pin Molex (500mm+120mm+120mm+120mm) 1 4 18AWG No
AC Power Cord (1400mm) - C13 coupler 1 1 18AWG -

Parts Description

General Data
Manufacturer (OEM) Gospower
PCB Type Single Sided
Primary Side
Transient Filter 3x Y caps, 2x X caps, 2x CM chokes
Inrush Protection NTC Thermistor & Relay
Bridge Rectifier(s) 1x GBU1508 (800V, 15A @ 100°C)
APFC MOSFETS 2x Sanrise Tech SRC60R200 (630V, 7.1A @ 125°C, 0.2Ohm)
APFC Boost Diode 1x Jilin Sino Microelectronics 15F60UHF (600V, 15A @ 100°C)
Hold-up Cap(s) 1x Elite (420V, 470uF, 2000h @ 85°C, GM)
Main Switchers 2x Jilin Sino Microelectronics JCS18N50FH (500V, 11A @ 100°C, 0.27Ohm)
APFC Controller Champion CM6500UNX
Resonant Controllers Champion CU6901V
Topology Primary side: Half-Bridge & LLC converter
Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side
+12V MOSFETS 4x Nce Power NCEP40T11K (40V, 85A @ 100°C, 2.8mOhm)
5V & 3.3V DC-DC Converters: 4x IPS FTD05N03NA (30V, 75A @ 100°C, 6mOhm)
PWM Controllers: ANPEC APW7159C
Filtering Capacitors Electrolytics: 4x Elite (2-5,000h @ 105°C, ED), 5x Elite (2,000h @ 105°C, EL), 2x CapXon (2-5,000h @ 105°C, KF), 1x CapXon (3-10,000h @ 105°C, GH)
Polymers: CapXon
Supervisor IC IN1S313I-SAG
Fan Model Thermal Control DF1202512SELN (120mm, 12V, 0.25A, Rifle Bearing Fan)
5VSB Circuit
Rectifier -
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✓

Performance Summary

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)20.9
AC Loss to PWR_OK Hold Up Time (ms)19.3
PWR_OK Inactive to DC Loss Delay (ms)1.6

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 0.233 59.744% 0.224
5.135V 0.390 115.12V
2 0.090A 0.466 69.037% 0.043
5.170V 0.675 115.12V
3 0.550A 2.838 78.355% 0.203
5.159V 3.622 115.12V
4 1.000A 5.150 79.024% 0.305
5.148V 6.517 115.12V
5 1.500A 7.706 79.166% 0.373
5.136V 9.734 115.12V
6 3.000A 15.296 77.120% 0.464
5.099V 19.834 115.11V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.233 46.230% 0.010
5.172V 0.504 230.29V
2 0.090A 0.466 58.838% 0.015
5.171V 0.792 230.29V
3 0.550A 2.839 76.544% 0.070
5.160V 3.709 230.29V
4 1.000A 5.150 78.422% 0.119
5.149V 6.567 230.29V
5 1.500A 7.707 79.095% 0.168
5.137V 9.744 230.29V
6 3.000A 15.299 78.804% 0.277
5.100V 19.414 230.29V

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 2.720A 1.998A 1.960A 0.974A 54.538 83.870% 0 <6.0 40.73°C 0.915
12.108V 5.010V 3.363V 5.137V 65.027 35.29°C 115.12V
2 6.510A 3.003A 2.949A 1.171A 109.433 84.407% 929 20.6 35.44°C 0.967
12.064V 4.997V 3.354V 5.124V 129.649 41.40°C 115.12V
3 10.697A 3.509A 3.437A 1.370A 164.925 87.752% 861 17.6 36.01°C 0.967
12.052V 4.988V 3.346V 5.111V 187.944 42.36°C 115.12V
4 14.849A 4.019A 3.953A 1.569A 219.739 88.378% 970 21.7 36.59°C 0.974
12.023V 4.979V 3.339V 5.098V 248.636 43.41°C 115.12V
5 18.665A 5.036A 4.954A 1.770A 274.645 88.321% 1040 24.2 37.26°C 0.981
12.008V 4.967V 3.331V 5.085V 310.963 44.36°C 115.12V
6 22.490A 6.057A 5.960A 1.972A 329.558 87.954% 1241 28.9 38.10°C 0.985
11.994V 4.955V 3.322V 5.071V 374.694 45.98°C 115.12V
7 26.358A 7.083A 6.969A 2.176A 384.879 87.428% 1351 31.6 38.53°C 0.987
11.980V 4.943V 3.314V 5.057V 440.222 46.97°C 115.12V
8 30.234A 8.114A 7.988A 2.380A 440.194 86.630% 1474 33.1 39.03°C 0.988
11.966V 4.931V 3.305V 5.043V 508.133 47.84°C 115.12V
9 34.486A 8.636A 8.489A 2.385A 494.721 85.890% 1477 33.1 39.41°C 0.990
11.953V 4.922V 3.298V 5.034V 575.991 48.91°C 115.12V
10 38.551A 9.164A 9.027A 2.995A 549.939 84.885% 1480 33.1 39.86°C 0.991
11.938V 4.912V 3.290V 5.010V 647.864 49.82°C 115.13V
11 43.224A 9.175A 9.040A 3.000A 605.162 83.724% 1482 33.1 40.31°C 0.991
11.925V 4.906V 3.285V 5.002V 722.810 51.81°C 115.14V
CL1 0.151A 14.004A 14.001A 0.000A 117.525 78.741% 1414 32.2 37.25°C 0.963
12.049V 4.939V 3.324V 5.124V 149.256 44.01°C 115.14V
CL2 45.851A 1.003A 1.000A 1.000A 561.012 85.608% 1480 33.1 39.44°C 0.992
11.944V 4.961V 3.316V 5.077V 655.327 49.54°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
1 2.721A 1.998A 1.961A 0.974A 54.551 85.267% 0 0 40.47°C 0.609
12.108V 5.009V 3.363V 5.137V 63.977 34.85°C 230.32V
2 6.510A 3.002A 2.951A 1.171A 109.424 85.967% 896 20.9 35.76°C 0.796
12.062V 4.998V 3.354V 5.123V 127.286 41.56°C 230.33V
3 10.701A 3.510A 3.436A 1.370A 164.929 89.453% 870 18.5 36.44°C 0.868
12.048V 4.987V 3.346V 5.111V 184.376 42.66°C 230.33V
4 14.853A 4.019A 3.953A 1.569A 219.740 90.237% 970 21.7 36.96°C 0.909
12.020V 4.978V 3.339V 5.099V 243.513 43.51°C 230.33V
5 18.670A 5.036A 4.956A 1.770A 274.646 90.333% 1111 24.6 37.29°C 0.929
12.005V 4.966V 3.330V 5.085V 304.038 44.28°C 230.33V
6 22.495A 6.058A 5.962A 1.972A 329.555 90.198% 1197 28.1 37.94°C 0.944
11.991V 4.954V 3.322V 5.071V 365.370 45.60°C 230.33V
7 26.366A 7.084A 6.974A 2.176A 384.877 89.905% 1328 30.3 38.60°C 0.951
11.976V 4.942V 3.313V 5.057V 428.092 47.04°C 230.33V
8 30.240A 8.115A 7.990A 2.380A 440.178 89.455% 1429 32.5 38.94°C 0.957
11.963V 4.931V 3.304V 5.043V 492.064 47.89°C 230.33V
9 34.499A 8.637A 8.491A 2.384A 494.701 89.032% 1475 33.1 39.36°C 0.963
11.948V 4.922V 3.297V 5.034V 555.643 48.81°C 230.33V
10 38.562A 9.164A 9.028A 2.995A 549.923 88.423% 1475 33.1 39.87°C 0.967
11.934V 4.912V 3.290V 5.011V 621.921 49.88°C 230.33V
11 43.240A 9.177A 9.045A 2.999A 605.142 87.884% 1475 33.1 40.22°C 0.970
11.920V 4.905V 3.284V 5.003V 688.570 51.43°C 230.33V
CL1 0.149A 14.001A 14.000A 0.000A 117.496 80.412% 1385 31.8 37.51°C 0.826
12.046V 4.940V 3.324V 5.125V 146.118 44.32°C 230.33V
CL2 45.845A 1.002A 1.001A 1.000A 560.804 89.224% 1473 33.1 39.80°C 0.968
11.941V 4.962V 3.317V 5.077V 628.537 49.84°C 230.33V

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 1.199A 0.499A 0.475A 0.194A 19.600 77.428% 0 <6.0 0.715
12.087V 5.021V 3.370V 5.164V 25.314 115.12V
2 2.454A 0.997A 0.979A 0.388A 39.988 83.343% 0 <6.0 0.880
12.098V 5.017V 3.367V 5.156V 47.980 115.12V
3 3.652A 1.498A 1.456A 0.583A 59.506 74.972% 764 17.9 0.938
12.075V 5.012V 3.364V 5.148V 79.371 115.12V
4 4.913A 1.999A 1.963A 0.778A 79.904 80.197% 856 17.2 0.950
12.071V 5.006V 3.359V 5.139V 99.635 115.12V

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]) PF/AC Volts
1 1.202A 0.498A 0.474A 0.194A 19.630 77.894% 0 <6.0 0.343
12.087V 5.024V 3.372V 5.164V 25.201 230.30V
2 2.456A 0.996A 0.979A 0.388A 40.012 84.255% 0 <6.0 0.517
12.099V 5.019V 3.368V 5.155V 47.489 230.33V
3 3.654A 1.497A 1.455A 0.583A 59.521 76.070% 771 18.2 0.668
12.075V 5.012V 3.364V 5.147V 78.245 230.33V
4 4.912A 2.000A 1.965A 0.779A 79.906 81.593% 818 18.5 0.731
12.070V 5.006V 3.360V 5.139V 97.933 230.33V

The results above are not used in the certification process

Ripple Measurements

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 86.6 mV 22.3 mV 16.8 mV 17.9 mV Pass
20% Load 16.8 mV 20.6 mV 18.2 mV 23.7 mV Pass
30% Load 29.9 mV 21.9 mV 18.5 mV 21.1 mV Pass
40% Load 30.3 mV 22.1 mV 19.1 mV 22.9 mV Pass
50% Load 29.5 mV 23.4 mV 21.3 mV 22.7 mV Pass
60% Load 28.5 mV 23.2 mV 22.1 mV 23.7 mV Pass
70% Load 27.0 mV 23.2 mV 24.5 mV 23.7 mV Pass
80% Load 43.8 mV 24.9 mV 29.5 mV 26.0 mV Pass
90% Load 27.1 mV 27.4 mV 28.9 mV 25.7 mV Pass
100% Load 42.8 mV 29.4 mV 32.7 mV 30.3 mV Pass
110% Load 45.1 mV 29.9 mV 32.0 mV 31.0 mV Pass
Crossload 1 25.1 mV 32.7 mV 33.8 mV 23.7 mV Pass
Crossload 2 40.9 mV 26.1 mV 25.3 mV 28.3 mV Pass

The results above are not used in the certification process

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 86.3 mV 21.7 mV 17.6 mV 17.0 mV Pass
20% Load 11.8 mV 20.6 mV 34.2 mV 19.6 mV Pass
30% Load 31.7 mV 22.7 mV 18.4 mV 19.9 mV Pass
40% Load 30.8 mV 21.2 mV 19.7 mV 19.9 mV Pass
50% Load 29.2 mV 22.7 mV 20.5 mV 21.8 mV Pass
60% Load 29.2 mV 22.4 mV 22.8 mV 24.3 mV Pass
70% Load 27.3 mV 23.9 mV 24.8 mV 24.8 mV Pass
80% Load 38.1 mV 26.8 mV 28.4 mV 25.7 mV Pass
90% Load 27.9 mV 24.6 mV 29.7 mV 27.5 mV Pass
100% Load 42.4 mV 28.3 mV 31.7 mV 30.1 mV Pass
110% Load 43.4 mV 27.8 mV 31.3 mV 30.7 mV Pass
Crossload 1 20.8 mV 32.5 mV 32.9 mV 23.4 mV Pass
Crossload 2 40.9 mV 26.1 mV 23.3 mV 25.8 mV Pass

The results above are not used in the certification process

Cooler Master MWE Bronze 550

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