CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Cooler Master MWE Gold 1250 V2
Serial NumberMPEC501AFCAG3EU2243100001
Lab IDCM12502572
Certification ID252572
  • Test Result Report ID: 24PS2572A
  • Certificate Issue Date: Sep 19, 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 Gold 1250 V2
OEM/ODMXin Hui Yuan Tech (Fusion Power)
Serial NumberMPEC501AFCAG3EU2243100001
Product Specifications
Manufacturer-Provided Information
Rated Voltage (Vrms)100-240
Rated Current (Arms)7-15
Rated Frequency (Hz)50-60
Rated Power (W)1250
Operating Temperature (Continuous Full Load) (°C)
TypeATX12V
Cable DesignFully Modular
Warranty-
Cybenetics Measurements
Dimensions (W x H x D)
Weight
Cooling140mm Fluid Dynamic Bearing Fan (HA1425H12B-Z)
Semi-Passive Operation✓
Cybenetics Testing Information
Lab IDCM12502572
Date of receiptSep 4, 2024
Testing DateSep 18, 2024
Report Issued DateSep 19, 2024
Engineer Name-
Authorized By the Laboratory Technical ManagerAristeidis Bitziopoulos
Signature

Cables and Connectors(Non-accredited measurements)

Modular Cables
Description Cable Count Connector Count (Total) Gauge In Cable Capacitors
ATX connector 20+4 pin (655mm) 1 1 18AWG No
4+4 pin EPS12V (655mm) 1 1 18AWG No
8 pin EPS12V (655mm) 1 1 18AWG No
6+2 pin PCIe (550mm) 3 3 16AWG No
12+4 pin PCIe (655mm) (600W) 1 1 16-28AWG No
SATA (510mm+120mm+120mm+120mm) 3 12 18AWG No
4-pin Molex (500mm+120mm+120mm+120mm) 1 4 18AWG No
AC Power Cord (1370mm) - C13 coupler 1 1 18AWG -

Protection Features(Manufacturer)

Over Voltage Protection ✓
Under Voltage Protection ✓
Over Power Protection ✓
Over Current (+12V) Protection ✓
Over Temperature Protection ✓
Short Circuit Protection ✓
Surge Protection ✓

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202010430.3
Watts1201250153.6
Total Max. Power (W)1250

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

Accredited
Average Efficiency (>1450 load combinations)88.843%
Average Noise Output (>1450 Load Combinations)17.83dBA
Average PF (>1450 Load Combinations)0.985
Efficiency With 10W (≤500W) or 2% (>500W) Load73.482%
Standby Power Consumption0.0391W
Non-Accredited
12V Ripple (Full Load)38.22mV
5V Ripple (Full Load)18.60mV
3.3V Ripple (Full Load)17.41mV
5VSB Ripple (Full Load)18.93mV
12V Load Regulation0.05%
5V Load Regulation0.44%
3.3V Load Regulation0.72%
5VSB Load Regulation2.28%
Inrush Current61.710A
Accredited
Average Efficiency (>1450 load combinations)91.415%
Average Noise Output (>1450 Load Combinations)15.74dBA
Average PF (>1450 Load Combinations)0.967
Efficiency With 10W (≤500W) or 2% (>500W) Load74.554%
Standby Power Consumption0.0927W
Non-Accredited
12V Ripple (Full Load)36.80mV
5V Ripple (Full Load)17.58mV
3.3V Ripple (Full Load)16.75mV
5VSB Ripple (Full Load)17.84mV
12V Load Regulation0.05%
5V Load Regulation0.46%
3.3V Load Regulation0.72%
5VSB Load Regulation2.30%
Inrush Current114.400A
12V Transient Response (200%)11.11V
5V Transient Response (200%)4.933V
3.3V Transient Response (200%)3.182V
5VSB Transient Response (200%)4.789V
Hold-Up Time & PWR_OK Signal27.50ms
AC Loss to PWR_OK Hold Up Time24.40ms
PWR_OK Inactive to DC Loss Delay3.10ms
PSU Timings: T1 (20% / 100%)65.0ms64.0ms
PSU Timings: T3 (20% / 100%)115.0ms115.0ms
12V OCP (30.0°C / 43.1°C)121.80A (117.12%), 12.138V121.80A (117.12%), 12.141V
5V OCP (30.0°C / 43.1°C)22.9A (114.50%), 5.029V22.9A (114.50%), 5.014V
3.3V OCP (30.0°C / 43.1°C)25.4A (127.00%), 3.323V25.0A (125.00%), 3.317V
5VSB OCP (30.0°C / 43.1°C)4.2A (140.00%), 5.057V4.2A (140.00%), 5.05V
OPP (31.23°C / 42.05°C)126.46%121.42%

Hold-Up Time & PWR_OK Signal

Hold-Up Time (ms)27.5
AC Loss to PWR_OK Hold Up Time (ms)24.4
PWR_OK Inactive to DC Loss Delay (ms)3.1

Stromverbrauch im Ruhezustand

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.08 V 115.04 V 113.85 V 115.12 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.97 Hz 59.40 Hz 60.02 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 0.20 % 2.00 % PASS
Real Power: 0.039 W -0.010 W N/A 0.083 W N/A N/A
Apparent Power: 7.302 W 6.727 W N/A 7.894 W N/A N/A
Power Factor: 0.006 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 231.04 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 % 0.15 % N/A 0.27 % 2.00 % PASS
Real Power: 0.093 W 0.052 W N/A 0.162 W N/A N/A
Apparent Power: 21.977 W 21.297 W N/A 22.712 W N/A N/A
Power Factor: 0.003 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 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)

Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231W 66.086% 0.053
5.122V 0.35W 114.91V
2 0.09A 0.461W 72.402% 0.093
5.121V 0.637W 114.91V
3 0.55A 2.813W 80.779% 0.324
5.115V 3.483W 114.92V
4 1A 5.109W 81.608% 0.394
5.109V 6.26W 114.91V
5 1.5A 7.653W 80.941% 0.436
5.101V 9.455W 114.91V
6 3A 15.233W 79.551% 0.489
5.078V 19.149W 114.91V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231W 56.922% 0.018
5.122V 0.407W 229.91V
2 0.09A 0.461W 65.038% 0.031
5.121V 0.71W 229.91V
3 0.55A 2.813W 78.472% 0.144
5.115V 3.584W 229.91V
4 1A 5.109W 80.436% 0.224
5.108V 6.351W 229.91V
5 1.5A 7.652W 79.911% 0.278
5.101V 9.576W 229.91V
6 3A 15.235W 80.125% 0.371
5.079V 19.015W 229.9V

Protection Features

OCP (Normal @ 30.0°C)12V: 121.80A (117.12%), 12.138V
5V: 22.9A (114.50%), 5.029V
3.3V: 25.4A (127.00%), 3.323V
5VSB: 4.2A (140.00%), 5.057V
OCP (Hot @ 43.1°C)12V: 121.80A (117.12%), 12.141V
5V: 22.9A (114.50%), 5.014V
3.3V: 25.0A (125.00%), 3.317V
5VSB: 4.2A (140.00%), 5.05V
OPP (Normal @ 31.2°C) 1580.71W (126.46%)
OPP (Hot @ 42.0°C)1517.71W (121.42%)
OTP✓ (145°C @ Heat Sink)
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% 8.520A 1.982A 1.974A 0.981A 124.968 89.144% 0 <6.0 44.93°C 0.965
12.131V 5.046V 3.344V 5.097V 140.188 40.19°C 114.88V
20% 18.058A 2.974A 2.963A 1.18A 249.972 91.322% 0 <6.0 45.95°C 0.975
12.131V 5.044V 3.341V 5.087V 273.726 40.9°C 114.83V
30% 27.891A 3.472A 3.46A 1.379A 374.428 91.611% 0 <6.0 47.15°C 0.98
12.132V 5.041V 3.339V 5.076V 408.716 41.4°C 114.79V
40% 37.779A 3.97A 3.957A 1.579A 499.575 91.377% 0 <6.0 49.58°C 0.985
12.133V 5.038V 3.336V 5.066V 546.726 41.98°C 114.74V
50% 47.338A 4.966A 4.951A 1.781A 624.904 90.678% 0 <6.0 53.53°C 0.989
12.134V 5.035V 3.333V 5.055V 689.147 42.06°C 114.7V
60% 56.832A 5.964A 5.948A 1.983A 749.459 89.795% 0 <6.0 56.81°C 0.992
12.135V 5.031V 3.329V 5.044V 834.628 42.64°C 114.65V
70% 66.388A 6.958A 6.943A 2.185A 874.739 88.889% 814 21.4 43.2°C 0.993
12.136V 5.031V 3.328V 5.034V 984.077 64.27°C 114.6V
80% 75.949A 7.951A 7.939A 2.288A 999.546 88.069% 842 22.5 43.81°C 0.993
12.136V 5.03V 3.326V 5.026V 1134.953 63.54°C 114.55V
90% 85.900A 8.45A 8.423A 2.391A 1124.937 87.098% 1471 37.3 44.35°C 0.993
12.135V 5.028V 3.324V 5.018V 1291.575 59.04°C 114.49V
100% 95.601A 8.95A 8.94A 2.999A 1249.768 86.055% 1944 45.1 45.19°C 0.993
12.134V 5.027V 3.323V 5.002V 1452.29 58.19°C 114.44V
110% 105.159A 9.95A 10.032A 3.003A 1374.4 84.91% 1972 45.4 46.88°C 0.994
12.135V 5.025V 3.32V 4.995V 1618.651 60.94°C 114.38V
CL1 0.116A 14.367A 14.368A 0A 121.298 83.518% 0 <6.0 48.85°C 0.968
12.137V 5.024V 3.32V 5.102V 145.234 40.07°C 114.86V
CL2 0.114A 19.939A 0A 0A 101.347 81.118% 0 <6.0 46.11°C 0.965
12.138V 5.013V 3.321V 5.105V 124.937 40.37°C 114.88V
CL3 0.114A 0A 19.931A 0A 67.397 76.201% 0 <6.0 44.76°C 0.954
12.139V 5.021V 3.312V 5.104V 88.445 40.09°C 114.88V
CL4 102.944A 0A 0A 0A 1249.536 86.619% 1942 45.1 45.78°C 0.993
12.138V 5.031V 3.327V 5.051V 1442.562 58.64°C 114.46V

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% 8.522A 1.982A 1.973A 0.981A 124.973 90.461% 0 <6.0 48.11°C 0.907
12.130V 5.046V 3.345V 5.097V 138.152 40.04°C 229.87V
20% 18.061A 2.975A 2.963A 1.18A 249.984 92.872% 0 <6.0 49.25°C 0.951
12.130V 5.043V 3.342V 5.087V 269.169 40.67°C 229.85V
30% 27.899A 3.472A 3.459A 1.379A 374.49 93.321% 0 <6.0 49.83°C 0.966
12.131V 5.041V 3.34V 5.077V 401.292 41.17°C 229.82V
40% 37.789A 3.97A 3.956A 1.579A 499.637 93.343% 0 <6.0 49.21°C 0.974
12.131V 5.038V 3.337V 5.066V 535.28 41.62°C 229.81V
50% 47.349A 4.966A 4.95A 1.781A 624.967 93.029% 0 <6.0 48.55°C 0.978
12.132V 5.035V 3.334V 5.056V 671.802 42.05°C 229.78V
60% 56.842A 5.965A 5.948A 1.983A 749.524 92.55% 512 11.5 42.54°C 0.981
12.133V 5.031V 3.33V 5.045V 809.857 55.83°C 229.76V
70% 66.404A 6.959A 6.941A 2.185A 874.811 91.988% 744 19 43.2°C 0.984
12.134V 5.031V 3.329V 5.035V 951 54.7°C 229.74V
80% 75.963A 7.953A 7.937A 2.288A 999.623 91.478% 860 23.1 43.81°C 0.986
12.134V 5.029V 3.326V 5.026V 1092.751 56.23°C 229.71V
90% 85.919A 8.452A 8.422A 2.391A 1125 90.865% 1470 37.2 44.4°C 0.987
12.133V 5.028V 3.325V 5.019V 1238.098 54.32°C 229.69V
100% 95.622A 8.951A 8.937A 2.999A 1249.829 90.195% 1945 45.1 45.73°C 0.988
12.132V 5.027V 3.324V 5.002V 1385.691 53.75°C 229.67V
110% 105.177A 9.952A 10.03A 3.004A 1374.428 89.472% 1974 45.4 46.9°C 0.989
12.133V 5.024V 3.32V 4.994V 1536.149 56.37°C 229.64V
CL1 0.116A 14.363A 14.359A 0A 121.306 84.729% 0 <6.0 48.15°C 0.91
12.135V 5.026V 3.322V 5.103V 143.169 40.51°C 229.86V
CL2 0.115A 19.935A 0A 0A 101.356 82.548% 0 <6.0 42.99°C 0.897
12.137V 5.014V 3.323V 5.105V 122.786 41.5°C 229.87V
CL3 0.114A 0A 19.929A 0A 67.404 77.548% 0 <6.0 43.64°C 0.85
12.138V 5.022V 3.312V 5.105V 86.918 41.18°C 229.88V
CL4 102.962A 0A 0A 0A 1249.596 90.645% 1945 45.1 45.34°C 0.988
12.136V 5.032V 3.327V 5.05V 1378.568 53.58°C 229.67V

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 1.224A 0.495A 0.494A 0.195A 20 68.886% 0 <6.0 41.06°C 0.89
12.129V 5.049V 3.343V 5.116V 29.033 36.17°C 114.91V
40W 2.695A 0.693A 0.691A 0.293A 40.002 79.743% 0 <6.0 42.34°C 0.928
12.130V 5.048V 3.342V 5.113V 50.165 37.11°C 114.9V
60W 4.166A 0.891A 0.888A 0.391A 60.003 84.33% 0 <6.0 44.66°C 0.953
12.131V 5.049V 3.345V 5.11V 71.152 38.85°C 114.9V
80W 5.632A 1.09A 1.085A 0.49A 79.958 86.665% 0 <6.0 45.24°C 0.953
12.131V 5.048V 3.347V 5.107V 92.261 39.59°C 114.89V

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 1.224A 0.495A 0.493A 0.195A 20.002 69.71% 0 <6.0 42.06°C 0.627
12.128V 5.05V 3.344V 5.117V 28.698 36.5°C 229.88V
40W 2.696A 0.693A 0.691A 0.293A 40.003 80.94% 0 <6.0 43°C 0.754
12.128V 5.049V 3.343V 5.114V 49.423 37.01°C 229.88V
60W 4.166A 0.891A 0.888A 0.391A 60.005 85.343% 0 <6.0 45.03°C 0.82
12.129V 5.049V 3.346V 5.111V 70.315 38.05°C 229.87V
80W 5.634A 1.089A 1.084A 0.49A 79.96 87.859% 0 <6.0 46.51°C 0.86
12.129V 5.049V 3.348V 5.108V 91.015 39.01°C 229.87V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load20.76mV14.36mV14.07mV14.27mVPass
20% Load25.26mV13.33mV13.30mV14.01mVPass
30% Load22.29mV14.51mV14.53mV14.58mVPass
40% Load19.24mV13.95mV13.61mV15.14mVPass
50% Load20.36mV15.22mV14.07mV15.60mVPass
60% Load20.60mV15.84mV14.22mV15.14mVPass
70% Load21.57mV15.58mV13.81mV16.52mVPass
80% Load22.34mV17.01mV16.17mV16.88mVPass
90% Load23.21mV16.65mV15.60mV16.68mVPass
100% Load38.22mV18.60mV17.41mV18.93mVPass
110% Load39.66mV18.38mV17.16mV18.34mVPass
Crossload131.01mV15.26mV18.04mV13.71mVPass
Crossload219.80mV23.09mV14.47mV14.88mVPass
Crossload316.99mV13.74mV19.03mV13.81mVPass
Crossload436.44mV16.51mV14.56mV16.41mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load23.21mV14.46mV14.27mV13.25mVPass
20% Load26.94mV13.39mV14.22mV14.01mVPass
30% Load22.85mV14.71mV15.19mV14.37mVPass
40% Load19.39mV15.38mV14.12mV15.60mVPass
50% Load19.68mV15.02mV14.12mV15.14mVPass
60% Load20.40mV14.97mV14.02mV14.88mVPass
70% Load21.93mV15.17mV15.04mV15.60mVPass
80% Load23.36mV16.09mV16.42mV16.47mVPass
90% Load23.98mV17.47mV15.81mV17.13mVPass
100% Load36.80mV17.58mV16.75mV17.84mVPass
110% Load37.34mV19.27mV17.94mV18.35mVPass
Crossload132.36mV15.69mV17.99mV13.82mVPass
Crossload222.14mV21.41mV14.99mV14.42mVPass
Crossload318.09mV14.40mV18.72mV13.35mVPass
Crossload436.24mV16.47mV15.54mV16.60mVPass

The results above are not used in the certification process

Cooler Master MWE Gold 1250 V2

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Power specifications label
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