CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
Cooler Master MWE GOLD 850 V3 Non-modular
Serial NumberMPE8506ACAGBEU2251600001
Lab IDCM85002825
Certification ID252825
  • Test Result Report ID: 25PS2825A
  • Certificate Issue Date: Jun 4, 2025
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

DUT Information

BrandCooler Master
Manufacturer (OEM)Gospower
SeriesMWE Gold V3
Model NumberMPD-8506-ACAG
Serial NumberMPE8506ACAGBEU2251600001
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)6-10
Rated Frequency (Hz)50-60
Rated Power (W)850
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. PowerAmps202070.830.3
Watts100849.6153.6
Total Max. Power (W)850

Test Equipment

Electronic Loads

Chroma 63601-5 x2
Chroma 63600-2
63640-80-80 x10
63610-80-20
AC Sources Chroma 6530, APM SP300VAC4000W-P
Power Analyzers RS HMC8015
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
UPS FSP Champ Tower 3kVA, CyberPower OLS3000E 3kVA
Isolation Transformer 4kVA
Testing Methodology Cybenetics PSU Test Protocol

Cables and Connectors

Captive Cables
Description Cable Count Connector Count (Total) Gauge In Cable Capacitors
ATX connector 24 pin (580mm) 1 1 18-20AWG No
8 pin EPS12V (640mm) / 4+4 pin EPS12V (+120mm) 1 1 / 1 18AWG No
6+2 pin PCIe (580mm+120mm) 2 4 16-18AWG No
12+4 pin PCIe (640mm) (450W) 1 1 16-24AWG No
SATA (400mm+140mm+150mm) 2 6 18AWG No
4-pin Molex (420mm+150mm+150mm) 1 3 18AWG No
AC Power Cord (1365mm) - C13 coupler 1 1 17AWG -

Parts Description

General Data
Manufacturer (OEM) Gospower
PCB Type Single-Sided
Primary Side
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV, 1x MPS HF81 (X Cap Bleeder)
Inrush Protection 1x NTC Thermistors MF72 2.5D-15 (2.5 Ohm @ 25 °C) & Relay
Bridge Rectifier(s)

2x Yangjie GBU3008 (800V, 30A @ 90°C)
APFC MOSFETs

2x Sanrise Tech SRC60R068BS (600V, 21.5A @ 125°C, Rds(on): 68mOhm)
APFC Boost Diode

1x Sanan SDS065J010C3 (650V, 10A @ 155°C)
Bulk Cap(s)

1x CapXon (450V, 680uF, 2000h @ 105°C, UJ)
Main Switchers

2x Sanrise Tech SRC60R090BS (600V, 18.7A @ 125°C, Rds(on): 90mOhm)
APFC Controller

Champion CM6500UNX
Resonant Controller

Champion CU6901VAC
Topology

Primary side: APFC, Half-Bridge & LLC Resonant Converter Secondary side: [12V] Synchronous Rectification & [Minor Rails] DC-DC converters
Secondary Side
+12V MOSFETs 4x NCEPower NCEP40T17A (40V, 120A @ 100°C, Rds(on): 2.4mOhm)
5V & 3.3V DC-DC Converters: 4x CRMicro CRTD055N03L (30V, 61A @ 100°C, Rds(on): 5.5mOhm) PWM Controller(s): 1x ANPEC APW7159C
Filtering Capacitors

Electrolytic: 7x Lelon (5000h @105°C, OCRK) 6x CapXon (2-5000h @105°C, KF) 1x CapXon (2-5000h @105°C, FH) 2x Lelon (4-10,000h @105°C, RZW) Polymer: 9x CapXon
Supervisor IC IN1S3131-SAG
Fan Model Hong Hua HA1225H12F-Z (120mm, 12V, 0.58A, Fluid Dynamic Bearing Fan )
5VSB
Standby PWM Controller

Chipown PN8778

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✓
Commission Regulation (EU) No 617/2013 Testing✓

Performance Summary

Efficiency RatingGOLD
Noise RatingA-
Average Efficiency (>1450 load combinations)88.272%
Average Noise Output (>1450 Load Combinations)27.06dBA
Average PF (>1450 Load Combinations)0.986
Efficiency With 10W (≤500W) or 2% (>500W) Load62.980%
Standby Power Consumption0.0735W
12V Ripple (Full Load)52.13mV
5V Ripple (Full Load)26.90mV
3.3V Ripple (Full Load)29.24mV
5VSB Ripple (Full Load)21.36mV
12V Load Regulation0.92%
5V Load Regulation0.32%
3.3V Load Regulation1.44%
5VSB Load Regulation3.22%
Inrush Current65.290A
Efficiency RatingGOLD
Noise RatingA-
Average Efficiency (>1450 load combinations)90.229%
Average Noise Output (>1450 Load Combinations)27.20dBA
Average PF (>1450 Load Combinations)0.946
Efficiency With 10W (≤500W) or 2% (>500W) Load63.971%
Standby Power Consumption0.1709W
12V Ripple (Full Load)51.81mV
5V Ripple (Full Load)26.21mV
3.3V Ripple (Full Load)27.27mV
5VSB Ripple (Full Load)20.64mV
12V Load Regulation0.94%
5V Load Regulation0.04%
3.3V Load Regulation1.16%
5VSB Load Regulation3.24%
Inrush Current132.450A
12V Transient Response (200%)11.18V
5V Transient Response (200%)4.861V
3.3V Transient Response (200%)3.170V
5VSB Transient Response (200%)4.989V
Hold-Up Time & Power Ok Signal20.20ms
AC Loss to PWR_OK Hold Up Time16.30ms
PWR_OK Inactive to DC Loss Delay3.90ms
PSU Timings: T1 (20% / 100%)64.0ms61.0ms
PSU Timings: T3 (20% / 100%)122.0ms123.0ms
12V OCP (30.8°C / 43.9°C)102.80A (145.20%), 11.992V95.20A (134.46%), 12.012V
5V OCP (30.8°C / 43.9°C)30A (150.00%), 5.002V30.7A (153.50%), 4.997V
3.3V OCP (30.8°C / 43.9°C)29.6A (148.00%), 3.226V30.6A (153.00%), 3.225V
5VSB OCP (30.8°C / 43.9°C)5A (166.67%), 5.012V5.1A (170.00%), 5.006V
OPP (30.58°C / 42.45°C)142.67%135.61%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)20.2
AC Loss to PWR_OK Hold Up Time (ms)16.3
PWR_OK Inactive to DC Loss Delay (ms)3.9

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 114.93 V 114.85 V 113.85 V 115.03 V 116.15 V PASS
Mains Frequency: 60.01 Hz 59.96 Hz 59.40 Hz 60.07 Hz 60.60 Hz PASS
Mains Voltage CF: 1.421 1.419 1.340 1.423 1.490 PASS
Mains Voltage THD: 0.33 % 0.24 % N/A 0.42 % 2.00 % PASS
Real Power: 0.073 W 0.061 W N/A 0.090 W N/A N/A
Apparent Power: 11.508 W 11.487 W N/A 11.537 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: 229.89 V 229.78 V 227.70 V 230.00 V 232.30 V PASS
Mains Frequency: 50.00 Hz 49.97 Hz 49.50 Hz 50.03 Hz 50.50 Hz PASS
Mains Voltage CF: 1.417 1.415 1.340 1.419 1.490 PASS
Mains Voltage THD: 0.21 % 0.16 % N/A 0.27 % 2.00 % PASS
Real Power: 0.171 W 0.138 W N/A 0.228 W N/A N/A
Apparent Power: 38.888 W 38.860 W N/A 38.922 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

NEUTRAL
PHASE

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 61.824% 0.032
5.142V 0.375W 114.93V
2 0.09A 0.463W 69.392% 0.057
5.141V 0.668W 114.93V
3 0.55A 2.822W 78.303% 0.243
5.13V 3.604W 114.92V
4 1A 5.119W 78.229% 0.322
5.119V 6.544W 114.92V
5 1.5A 7.661W 77.181% 0.376
5.107V 9.926W 114.92V
6 3A 15.209W 76.513% 0.441
5.07V 19.878W 114.91V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231W 49.865% 0.011
5.141V 0.467W 229.9V
2 0.09A 0.463W 62.043% 0.018
5.14V 0.76W 229.92V
3 0.55A 2.821W 77.803% 0.083
5.13V 3.629W 229.91V
4 1A 5.119W 78.805% 0.14
5.119V 6.496W 229.91V
5 1.5A 7.661W 78.989% 0.193
5.106V 9.699W 229.91V
6 3A 15.208W 78.375% 0.297
5.069V 19.402W 229.91V

Protection Features

OCP (Normal @ 30.8°C)12V: 102.80A (145.20%), 11.992V
5V: 30A (150.00%), 5.002V
3.3V: 29.6A (148.00%), 3.226V
5VSB: 5A (166.67%), 5.012V
OCP (Hot @ 43.9°C)12V: 95.20A (134.46%), 12.012V
5V: 30.7A (153.50%), 4.997V
3.3V: 30.6A (153.00%), 3.225V
5VSB: 5.1A (170.00%), 5.006V
OPP (Normal @ 30.6°C)1212.69W (142.67%)
OPP (Hot @ 42.5°C)1152.70W (135.61%)
OTP✓ (66°C @ Heat Sink)
SCP12V to Earth: ✓
5V to Earth: ✓
3.3V to Earth: ✓
5VSB to Earth: ✓
-12V to Earth: ✓
PWR_OKProper Operation
UVP (Full Load @ 90V)✓
UVP (No Damage @ 80V)✓
Conducted Emissions EN55032 & CISPR 32✓
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% 5.231A 2.001A 2.002A 0.979A 85.001 84.802% 1405 32.7 40.24°C 0.969
12.121V 4.997V 3.296V 5.108V 100.238 42.18°C 114.88V
20% 11.483A 3.003A 3.008A 1.178A 169.946 88.644% 1715 37.9 40.68°C 0.97
12.109V 4.996V 3.291V 5.095V 191.534 41.44°C 114.23V
30% 18.095A 3.504A 3.513A 1.378A 254.962 89.973% 1668 37 41.39°C 0.984
12.097V 4.995V 3.288V 5.081V 283.373 42.45°C 114.83V
40% 24.724A 4.007A 4.021A 1.579A 340.048 90.389% 1739 38.3 41.51°C 0.989
12.087V 4.991V 3.283V 5.068V 376.208 42.86°C 114.8V
50% 30.998A 5.011A 5.035A 1.781A 424.846 90.215% 2026 43.4 42.07°C 0.992
12.076V 4.989V 3.277V 5.054V 470.933 45.3°C 114.77V
60% 37.260A 6.015A 6.051A 1.985A 509.384 89.865% 2011 43.6 42.59°C 0.994
12.066V 4.988V 3.272V 5.039V 566.831 45.64°C 114.74V
70% 43.598A 7.021A 7.074A 2.189A 594.636 89.468% 2006 43.1 43.13°C 0.995
12.054V 4.985V 3.266V 5.026V 664.637 46.36°C 114.71V
80% 49.949A 8.022A 8.097A 2.294A 679.478 88.753% 2368 46.6 43.56°C 0.995
12.044V 4.985V 3.26V 5.013V 765.586 50.79°C 114.68V
90% 56.711A 8.525A 8.594A 2.4A 764.895 88.074% 2366 46.6 44.86°C 0.996
12.033V 4.984V 3.258V 5V 868.471 51.85°C 114.64V
100% 63.221A 9.03A 9.129A 3.015A 849.715 87.252% 2366 46.6 45.88°C 0.997
12.022V 4.983V 3.253V 4.975V 973.865 53.48°C 114.61V
110% 69.619A 10.037A 10.26A 3.022A 934.332 86.314% 2370 46.6 46.42°C 0.997
12.009V 4.981V 3.246V 4.963V 1082.484 56.76°C 114.57V
CL1 0.116A 12.035A 12.168A 0A 101.292 80.442% 2081 43.5 40.11°C 0.97
12.116V 5.001V 3.263V 5.117V 125.92 43.8°C 114.88V
CL2 0.114A 19.961A 0A 0A 101.338 78.946% 1977 42.6 40.74°C 0.969
12.119V 5.007V 3.298V 5.122V 128.365 41.38°C 114.88V
CL3 0.114A 0A 20.372A 0A 67.395 71.213% 1795 39.7 40.28°C 0.963
12.119V 5.004V 3.24V 5.122V 94.64 40.1°C 114.89V
CL4 70.632A 0A 0A 0A 849.503 88.101% 2372 46.7 45.58°C 0.996
12.028V 4.985V 3.277V 5.063V 964.247 51.56°C 114.61V

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% 5.231A 2A 2.002A 0.979A 85.006 85.791% 1422 32.9 40.49°C 0.809
12.120V 5V 3.297V 5.108V 99.08 41.38°C 229.88V
20% 11.484A 3A 3.007A 1.178A 169.952 90.197% 1452 34.8 40.53°C 0.916
12.108V 5.001V 3.293V 5.095V 188.42 42.56°C 229.86V
30% 18.097A 3.5A 3.511A 1.378A 254.969 91.597% 1561 35.9 41.28°C 0.947
12.096V 5.001V 3.29V 5.081V 278.363 40.71°C 229.85V
40% 24.728A 4A 4.016A 1.579A 340.064 92.028% 1891 41.1 41.69°C 0.959
12.086V 5V 3.287V 5.068V 369.523 42.88°C 229.83V
50% 31.006A 4.999A 5.026A 1.781A 424.911 91.986% 1868 40.9 42.39°C 0.968
12.076V 5.001V 3.283V 5.053V 461.933 42.88°C 229.82V
60% 37.270A 6A 6.039A 1.985A 509.463 91.868% 2081 43.5 42.58°C 0.974
12.064V 5.001V 3.279V 5.039V 554.555 44.72°C 229.8V
70% 43.609A 7.001A 7.06A 2.19A 594.774 91.557% 2069 43.6 43.18°C 0.976
12.054V 5V 3.273V 5.024V 649.616 44.93°C 229.79V
80% 49.966A 7.999A 8.08A 2.295A 679.612 91.177% 2215 44.6 43.55°C 0.978
12.042V 5V 3.268V 5.011V 745.379 46.47°C 229.77V
90% 56.739A 8.5A 8.576A 2.401A 765.021 90.723% 2367 46.6 44.25°C 0.98
12.029V 4.999V 3.265V 4.999V 843.25 48.46°C 229.75V
100% 63.245A 9A 9.107A 3.016A 849.825 90.202% 2368 46.6 45.03°C 0.983
12.019V 4.999V 3.262V 4.974V 942.138 49.85°C 229.74V
110% 69.638A 10A 10.229A 3.023A 934.412 89.609% 2370 46.6 46.94°C 0.984
12.007V 4.999V 3.256V 4.962V 1042.761 52.12°C 229.72V
CL1 0.116A 12.013A 12.156A 0A 101.289 81.857% 1936 42.8 40.25°C 0.855
12.113V 5.01V 3.266V 5.118V 123.739 41.68°C 229.84V
CL2 0.114A 19.928A 0A 0A 101.341 80.173% 1962 42.5 40.86°C 0.859
12.117V 5.016V 3.299V 5.122V 126.4 42.75°C 229.84V
CL3 0.114A 0A 20.366A 0A 67.401 72.056% 2027 43.4 40.73°C 0.797
12.118V 5.005V 3.241V 5.121V 93.542 41.44°C 229.85V
CL4 70.667A 0A 0A 0A 849.68 90.907% 2371 46.6 45.5°C 0.982
12.024V 4.988V 3.279V 5.061V 934.665 49.69°C 229.76V

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 0.5A 0.5A 0.195A 19.999 65.758% 1166 28.6 36.02°C 0.824
12.132V 4.999V 3.3V 5.135V 30.413 38.33°C 114.9V
40W 2.696A 0.7A 0.7A 0.292A 39.998 76.781% 1246 28.8 37.47°C 0.913
12.128V 4.998V 3.299V 5.131V 52.096 38.93°C 114.9V
60W 4.167A 0.9A 0.9A 0.39A 59.997 81.3% 1365 31.8 38.38°C 0.949
12.125V 4.998V 3.298V 5.126V 73.796 39.47°C 114.9V
80W 5.635A 1.1A 1.101A 0.488A 79.939 84.354% 1482 34.2 39.21°C 0.963
12.123V 4.998V 3.298V 5.122V 94.767 40.16°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 0.5A 0.5A 0.195A 20.002 65.878% 1137 26.2 36.73°C 0.457
12.131V 5V 3.3V 5.135V 30.362 37.49°C 229.89V
40W 2.696A 0.7A 0.7A 0.292A 40.001 77.628% 1145 26.6 37.46°C 0.622
12.128V 4.999V 3.3V 5.131V 51.53 38.53°C 229.95V
60W 4.168A 0.9A 0.9A 0.39A 59.999 82.954% 1151 27.1 38.06°C 0.732
12.124V 4.999V 3.299V 5.126V 72.328 39.56°C 229.86V
80W 5.636A 1.1A 1.101A 0.488A 79.948 85.741% 1229 28.2 39.21°C 0.796
12.121V 4.999V 3.298V 5.122V 93.247 38.26°C 229.88V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load30.49mV17.78mV18.16mV21.23mVPass
20% Load33.36mV19.00mV19.49mV19.23mVPass
30% Load34.58mV19.26mV20.11mV19.85mVPass
40% Load36.63mV19.93mV20.31mV19.18mVPass
50% Load39.80mV22.79mV22.97mV18.98mVPass
60% Load41.65mV22.68mV23.02mV20.15mVPass
70% Load45.53mV23.35mV23.48mV19.44mVPass
80% Load47.17mV24.58mV25.78mV20.92mVPass
90% Load49.98mV26.11mV26.75mV21.12mVPass
100% Load52.13mV26.90mV29.24mV21.36mVPass
110% Load55.65mV27.97mV29.21mV20.60mVPass
Crossload131.99mV19.99mV21.90mV16.56mVPass
Crossload233.51mV29.48mV24.09mV18.52mVPass
Crossload330.29mV19.77mV24.66mV17.29mVPass
Crossload451.61mV26.22mV26.12mV19.84mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load29.32mV18.04mV18.67mV19.95mVPass
20% Load32.64mV19.16mV19.90mV19.95mVPass
30% Load34.64mV19.16mV20.46mV19.03mVPass
40% Load37.09mV20.13mV20.82mV18.88mVPass
50% Load39.14mV23.04mV22.97mV18.52mVPass
60% Load40.57mV21.81mV22.56mV19.18mVPass
70% Load42.72mV22.99mV23.17mV18.82mVPass
80% Load47.33mV25.14mV25.83mV20.10mVPass
90% Load51.42mV25.19mV26.76mV19.44mVPass
100% Load51.81mV26.21mV27.27mV20.64mVPass
110% Load54.90mV27.08mV28.01mV21.06mVPass
Crossload133.82mV20.27mV20.87mV16.03mVPass
Crossload233.30mV29.43mV23.74mV18.57mVPass
Crossload329.98mV19.67mV24.25mV16.72mVPass
Crossload450.54mV25.86mV25.87mV18.56mVPass

The results above are not used in the certification process

Cooler Master MWE GOLD 850 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
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