CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Cooler Master MWE Bronze 750
Serial NumberMPE7501ACAAB1191400001
Lab IDCM19750038
  • Report:
  • Receipt Date: Jul 5, 2019
  • Test Date: May 17, 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 NumberMPE7501ACAAB1191400001
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)10-6
Rated Frequency (Hz)50-60
Rated Power (W)750
TypeATX12V
Cooling120mm Fluid Dynamic Bearing Fan
(HA1225H12F-Z)
Semi-Passive Operation✓
Cable DesignFixed cables

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202062.530.3
Watts120750153.6
Total Max. Power (W)750

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
8 pin EPS12V (630mm) / 4+4 pin EPS12V (120mm) 1 1 / 1 18AWG No
6+2 pin PCIe (530mm+120mm) 2 4 16-18AWG No
SATA (530mm+120mm+120mm+120mm) 2 8 18AWG No
4-pin Molex (520mm+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 GBU2508 (800V, 25A @ 100°C)
APFC MOSFETS 2x Sanrise Tech SRC60R140B (630V, 11.2A @ 125°C, 0.14Ohm)
APFC Boost Diode 1x Cengol CGC1S06510 (650V, 10A @ 150°C)
Hold-up Cap(s) 1x Elite (420V, 680uF, 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 Hong Hua HA1225H12F-Z (120mm, 12V, 0.58A, Fluid Dynamic 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)22.4
AC Loss to PWR_OK Hold Up Time (ms)21
PWR_OK Inactive to DC Loss Delay (ms)1.4

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 0.234 60.154% 0.025
5.188V 0.389 115.13V
2 0.090A 0.467 69.288% 0.043
5.187V 0.674 115.13V
3 0.550A 2.848 78.696% 0.203
5.177V 3.619 115.12V
4 1.000A 5.167 79.346% 0.304
5.166V 6.512 115.12V
5 1.500A 7.733 79.541% 0.369
5.154V 9.722 115.12V
6 3.000A 15.356 77.462% 0.447
5.118V 19.824 115.12V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.234 46.337% 0.010
5.188V 0.505 230.30V
2 0.090A 0.467 58.742% 0.016
5.187V 0.795 230.30V
3 0.550A 2.848 76.828% 0.070
5.177V 3.707 230.33V
4 1.000A 5.167 78.765% 0.120
5.166V 6.560 230.31V
5 1.500A 7.733 79.500% 0.169
5.154V 9.727 230.31V
6 3.000A 15.356 79.261% 0.276
5.119V 19.374 230.31V

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 4.365A 2.019A 1.981A 0.970A 74.479 75.170% 1434 31.8 34.35°C 0.963
12.113V 4.955V 3.331V 5.157V 99.081 39.76°C 115.12V
2 9.788A 3.035A 2.978A 1.167A 149.347 85.065% 1845 38.3 35.18°C 0.949
12.101V 4.943V 3.323V 5.144V 175.569 40.87°C 115.11V
3 15.624A 3.546A 3.465A 1.364A 224.870 88.301% 1761 38.0 35.56°C 0.956
12.089V 4.934V 3.317V 5.133V 254.663 41.99°C 115.11V
4 21.430A 4.062A 3.988A 1.562A 299.650 88.569% 1944 40.1 35.72°C 0.969
12.060V 4.925V 3.310V 5.121V 338.325 42.61°C 115.11V
5 26.899A 5.090A 4.995A 1.762A 374.580 88.289% 2162 42.6 36.18°C 0.977
12.048V 4.913V 3.302V 5.108V 424.266 43.63°C 115.10V
6 32.383A 6.122A 6.011A 1.963A 449.509 87.756% 2314 44.0 36.54°C 0.981
12.034V 4.902V 3.294V 5.095V 512.226 45.24°C 115.10V
7 37.907A 7.159A 7.030A 2.165A 524.829 86.998% 2469 46.0 37.29°C 0.985
12.022V 4.890V 3.286V 5.082V 603.268 46.35°C 115.10V
8 43.446A 8.201A 8.056A 2.368A 600.158 86.112% 2469 46.0 37.93°C 0.987
12.009V 4.878V 3.278V 5.069V 696.951 47.39°C 115.09V
9 49.361A 8.730A 8.560A 2.372A 674.692 85.079% 2467 46.0 38.63°C 0.988
11.997V 4.869V 3.271V 5.060V 793.018 49.13°C 115.09V
10 55.087A 9.262A 9.101A 2.979A 749.930 83.670% 2468 46.0 39.36°C 0.990
11.985V 4.859V 3.264V 5.036V 896.291 50.63°C 115.11V
11 61.431A 9.276A 9.117A 2.983A 825.164 82.157% 2469 46.0 40.18°C 0.992
11.972V 4.852V 3.258V 5.029V 1004.371 52.57°C 115.12V
CL1 0.149A 14.000A 14.000A 0.000A 116.448 76.782% 2461 45.9 36.03°C 0.955
12.097V 4.890V 3.299V 5.153V 151.660 43.56°C 115.12V
CL2 62.523A 1.002A 1.001A 1.000A 763.013 84.112% 2468 46.0 39.53°C 0.990
11.991V 4.904V 3.285V 5.098V 907.143 50.70°C 115.09V

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 4.368A 2.019A 1.981A 0.970A 74.509 76.434% 1428 31.6 34.10°C 0.734
12.112V 4.955V 3.331V 5.156V 97.482 40.15°C 230.31V
2 9.793A 3.036A 2.977A 1.167A 149.398 86.484% 1875 38.4 34.86°C 0.850
12.100V 4.943V 3.323V 5.144V 172.746 41.33°C 230.32V
3 15.630A 3.548A 3.467A 1.364A 224.922 89.851% 1763 38.1 35.00°C 0.886
12.087V 4.934V 3.316V 5.132V 250.328 42.08°C 230.32V
4 21.437A 4.064A 3.987A 1.563A 299.724 90.260% 1986 40.8 35.74°C 0.915
12.059V 4.925V 3.310V 5.120V 332.066 43.47°C 230.33V
5 26.913A 5.090A 4.998A 1.762A 374.677 90.195% 2156 42.7 36.03°C 0.930
12.045V 4.913V 3.302V 5.107V 415.410 44.55°C 230.34V
6 32.394A 6.123A 6.010A 1.963A 449.603 89.845% 2394 44.6 36.61°C 0.938
12.033V 4.901V 3.294V 5.094V 500.420 45.62°C 230.34V
7 37.925A 7.161A 7.033A 2.165A 524.935 89.369% 2469 46.0 37.16°C 0.944
12.019V 4.889V 3.285V 5.081V 587.379 46.95°C 230.34V
8 43.466A 8.205A 8.055A 2.369A 600.271 88.791% 2467 46.0 37.53°C 0.951
12.006V 4.877V 3.277V 5.068V 676.051 47.88°C 230.35V
9 49.382A 8.733A 8.561A 2.372A 674.803 88.107% 2460 45.9 38.29°C 0.956
11.994V 4.868V 3.271V 5.059V 765.889 49.24°C 230.35V
10 55.108A 9.265A 9.103A 2.979A 750.017 87.154% 2466 46.0 39.74°C 0.960
11.982V 4.858V 3.263V 5.035V 860.564 51.26°C 230.35V
11 61.449A 9.276A 9.119A 2.984A 825.246 86.189% 2467 46.0 40.23°C 0.963
11.970V 4.851V 3.257V 5.028V 957.482 52.44°C 230.34V
CL1 0.152A 14.002A 14.003A 0.000A 116.504 78.120% 2458 45.9 36.26°C 0.831
12.096V 4.890V 3.299V 5.153V 149.134 44.47°C 230.34V
CL2 62.530A 1.003A 1.001A 1.000A 762.912 87.656% 2468 46.0 39.99°C 0.960
11.988V 4.903V 3.284V 5.097V 870.348 51.31°C 230.34V

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 1.197A 0.504A 0.478A 0.193A 19.562 76.390% 0 <6.0 0.732
12.083V 4.968V 3.339V 5.182V 25.608 115.13V
2 2.456A 1.008A 0.987A 0.387A 39.984 82.251% 0 <6.0 0.890
12.087V 4.964V 3.336V 5.175V 48.612 115.12V
3 3.638A 1.512A 1.470A 0.581A 59.478 72.990% 1295 28.6 0.938
12.116V 4.959V 3.333V 5.168V 81.488 115.12V
4 4.891A 2.018A 1.979A 0.775A 79.826 76.362% 1386 30.5 0.965
12.112V 4.954V 3.330V 5.160V 104.536 115.12V

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 0.504A 0.478A 0.193A 19.631 76.669% 0 <6.0 0.354
12.088V 4.970V 3.340V 5.181V 25.605 230.33V
2 2.460A 1.008A 0.987A 0.387A 40.041 83.523% 0 <6.0 0.528
12.090V 4.965V 3.337V 5.174V 47.940 230.33V
3 3.642A 1.514A 1.470A 0.581A 59.533 74.029% 1433 31.7 0.679
12.115V 4.959V 3.333V 5.167V 80.418 230.33V
4 4.896A 2.020A 1.979A 0.775A 79.892 77.708% 1450 32.3 0.746
12.111V 4.954V 3.330V 5.160V 102.810 230.33V

The results above are not used in the certification process

Ripple Measurements

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 14.6 mV 18.9 mV 18.8 mV 17.7 mV Pass
20% Load 15.1 mV 19.3 mV 14.1 mV 16.7 mV Pass
30% Load 27.7 mV 19.1 mV 15.2 mV 15.3 mV Pass
40% Load 23.4 mV 19.1 mV 15.7 mV 15.2 mV Pass
50% Load 22.7 mV 19.7 mV 17.0 mV 15.5 mV Pass
60% Load 31.0 mV 22.2 mV 19.3 mV 18.5 mV Pass
70% Load 22.0 mV 19.9 mV 19.6 mV 18.0 mV Pass
80% Load 28.2 mV 20.9 mV 24.0 mV 19.8 mV Pass
90% Load 23.8 mV 20.7 mV 24.7 mV 20.8 mV Pass
100% Load 36.2 mV 21.9 mV 24.7 mV 23.7 mV Pass
110% Load 35.2 mV 22.4 mV 25.6 mV 23.9 mV Pass
Crossload 1 18.9 mV 26.0 mV 29.1 mV 16.5 mV Pass
Crossload 2 33.2 mV 21.5 mV 16.1 mV 20.6 mV Pass

The results above are not used in the certification process

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 14.2 mV 19.0 mV 13.4 mV 16.9 mV Pass
20% Load 14.9 mV 19.1 mV 14.4 mV 15.3 mV Pass
30% Load 29.9 mV 19.9 mV 14.8 mV 14.9 mV Pass
40% Load 25.5 mV 19.1 mV 15.6 mV 14.6 mV Pass
50% Load 22.8 mV 19.7 mV 16.1 mV 14.8 mV Pass
60% Load 22.0 mV 19.4 mV 19.0 mV 16.4 mV Pass
70% Load 21.8 mV 20.2 mV 18.7 mV 16.6 mV Pass
80% Load 30.7 mV 21.8 mV 22.4 mV 18.5 mV Pass
90% Load 21.2 mV 20.6 mV 23.3 mV 18.7 mV Pass
100% Load 37.1 mV 23.1 mV 25.1 mV 23.9 mV Pass
110% Load 36.0 mV 22.6 mV 27.1 mV 24.2 mV Pass
Crossload 1 17.6 mV 26.2 mV 28.5 mV 16.7 mV Pass
Crossload 2 34.0 mV 21.6 mV 16.3 mV 19.1 mV Pass

The results above are not used in the certification process

Cooler Master MWE Bronze 750

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