CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
be quiet! Pure Power 12 M 850W
Serial Number344H2489000021
Lab IDBQ85002157
  • Report: 23PS2157A
  • Receipt Date: Feb 17, 2023
  • Test Date: Mar 22, 2023
  • Report Date: Mar 29, 2023
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

Brandbe quiet!
Manufacturer (OEM)HEC
SeriesPure Power 12 M
Model NumberL12-M-850W
Serial Number344H2489000021
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)12-6
Rated Frequency (Hz)50-60
Rated Power (W)850
TypeATX12V
Cooling120mm Rifle Bearing Fan
(BQ QF2-12025-HS)
Semi-Passive Operation✗
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V(1)12V(2)5VSB-12V
Max. PowerAmps2222403630.3
Watts120850153.6
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, N4L PPA1530, N4L PPA5530
Oscilloscopes Picoscope 4444, Rigol DS7014, 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, Keithley 2015 - THD
UPS FSP Champ Tower 3kVA, CyberPower OLS3000E 3kVA
Isolation Transformer 4kVA
Testing Methodology Cybenetics PSU Test Protocol

Cables and Connectors

Modular Cables
Description Cable Count Connector Count (Total) Gauge In Cable Capacitors
ATX connector 20+4 pin (550mm) 1 1 16-20AWG No
4+4 pin EPS12V (600mm) 1 1 18AWG No
8 pin EPS12V (600mm) 1 1 18AWG No
6+2 pin PCIe (500mm+150mm) 2 4 16-18AWG No
12+4 pin PCIe (600mm) (600W) 1 1 16-28AWG No
SATA (500mm+150mm+150mm+150mm) 1 4 18AWG No
SATA (500mm+150mm) / 4-pin Molex (+150mm+150mm) 1 2 /2 18AWG No
AC Power Cord (1400mm) - C13 coupler 1 1 18AWG -

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 v3.0 Compliance✓

Performance Summary

Efficiency RatingPLATINUM
Noise RatingA-
Average Efficiency (>1450 load combinations)89.807%
Average Noise Output (>1450 Load Combinations)25.03dBA
Average PF (>1450 Load Combinations)0.983
Efficiency With 10W (≤500W) or 2% (>500W) Load76.310%
Standby Power Consumption0.0555W
12V Ripple (Full Load)23.50mV
5V Ripple (Full Load)17.54mV
3.3V Ripple (Full Load)15.39mV
5VSB Ripple (Full Load)17.41mV
12V Load Regulation1.11%
5V Load Regulation0.44%
3.3V Load Regulation0.58%
5VSB Load Regulation2.38%
Inrush Current37.030A
Efficiency RatingPLATINUM
Noise RatingA
Average Efficiency (>1450 load combinations)91.772%
Average Noise Output (>1450 Load Combinations)24.64dBA
Average PF (>1450 Load Combinations)0.948
Efficiency With 10W (≤500W) or 2% (>500W) Load77.083%
Standby Power Consumption0.1000W
12V Ripple (Full Load)22.88mV
5V Ripple (Full Load)16.71mV
3.3V Ripple (Full Load)14.09mV
5VSB Ripple (Full Load)15.82mV
12V Load Regulation1.13%
5V Load Regulation0.46%
3.3V Load Regulation0.58%
5VSB Load Regulation2.38%
Inrush Current61.940A
12V Transient Response (200%)11.52V
5V Transient Response (200%)4.876V
3.3V Transient Response (200%)3.166V
5VSB Transient Response (200%)4.984V
Hold-Up Time & Power Ok Signal23.00ms
AC Loss to PWR_OK Hold Up Time20.50ms
PWR_OK Inactive to DC Loss Delay2.50ms
PSU Timings: T1 (20% / 100%)57.0ms57.0ms
PSU Timings: T3 (20% / 100%)121.0ms123.0ms
OPP (26.63°C / 37.46°C)133.25%128.54%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)23
AC Loss to PWR_OK Hold Up Time (ms)20.5
PWR_OK Inactive to DC Loss Delay (ms)2.5

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 114.90 V 114.82 V 113.85 V 114.97 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.96 Hz 59.40 Hz 60.03 Hz 60.60 Hz PASS
Mains Voltage CF: 1.419 1.417 1.340 1.421 1.490 PASS
Mains Voltage THD: 0.21 % 0.16 % N/A 0.29 % 2.00 % PASS
Real Power: 0.056 W 0.035 W N/A 0.081 W N/A N/A
Apparent Power: 11.389 W 11.357 W N/A 11.426 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: 229.77 V 229.71 V 227.70 V 229.85 V 232.30 V PASS
Mains Frequency: 50.00 Hz 50.00 Hz 49.50 Hz 50.00 Hz 50.50 Hz PASS
Mains Voltage CF: 1.417 1.415 1.340 1.418 1.490 PASS
Mains Voltage THD: 0.15 % 0.13 % N/A 0.18 % 2.00 % PASS
Real Power: 0.100 W 0.053 W N/A 0.177 W N/A N/A
Apparent Power: 38.599 W 38.516 W N/A 38.711 W N/A N/A
Power Factor: 0.002 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

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 0.23W 70.112% 0.029
5.113V 0.328W 114.87V
2 0.09A 0.46W 76.86% 0.053
5.112V 0.599W 114.88V
3 0.55A 2.806W 81.76% 0.248
5.102V 3.432W 114.87V
4 1A 5.092W 81.509% 0.352
5.092V 6.247W 114.87V
5 1.5A 7.621W 81.457% 0.406
5.081V 9.357W 114.87V
6 3A 15.142W 80.524% 0.48
5.048V 18.804W 114.87V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.23W 60.188% 0.01
5.113V 0.383W 229.77V
2 0.09A 0.46W 70.441% 0.017
5.112V 0.654W 229.77V
3 0.55A 2.806W 80.662% 0.09
5.102V 3.478W 229.77V
4 1A 5.092W 81.54% 0.152
5.092V 6.245W 229.77V
5 1.5A 7.621W 81.82% 0.205
5.081V 9.314W 229.77V
6 2.999A 15.142W 81.521% 0.316
5.048V 18.573W 229.77V

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% 5.216A 2.007A 2A 0.982A 84.992 86.439% 743 12.8 40.51°C 0.958
12.154V 4.983V 3.3V 5.092V 98.327 44.54°C 114.85V
20% 11.462A 3.012A 3.002A 1.181A 169.918 90.757% 742 12.8 40.67°C 0.971
12.128V 4.98V 3.297V 5.08V 187.225 45.01°C 114.82V
30% 18.069A 3.515A 3.504A 1.381A 254.922 91.813% 745 12.7 41.53°C 0.975
12.113V 4.979V 3.296V 5.069V 277.653 46.28°C 114.79V
40% 24.694A 4.018A 4.006A 1.581A 340.005 91.913% 779 14.6 41.57°C 0.98
12.100V 4.978V 3.295V 5.059V 369.924 46.58°C 114.76V
50% 30.963A 5.025A 5.011A 1.783A 424.776 91.522% 859 17.3 42.29°C 0.985
12.087V 4.976V 3.293V 5.049V 464.125 47.73°C 114.74V
60% 37.226A 6.032A 6.017A 1.985A 509.336 90.992% 942 20.7 42.57°C 0.988
12.075V 4.974V 3.291V 5.038V 559.76 48.62°C 114.7V
70% 43.566A 7.041A 7.024A 2.188A 594.654 90.333% 1104 25.2 43.36°C 0.991
12.063V 4.972V 3.289V 5.027V 658.292 50.39°C 114.67V
80% 49.928A 8.001A 8.031A 2.291A 679.265 89.552% 1581 26.2 43.56°C 0.993
12.049V 4.97V 3.287V 5.019V 758.521 51.65°C 114.63V
90% 56.708A 8.554A 8.522A 2.395A 764.93 88.721% 1862 40.7 44.39°C 0.994
12.034V 4.968V 3.286V 5.011V 862.175 53.42°C 114.6V
100% 63.225A 9.06A 9.043A 3.006A 849.75 87.799% 1859 40.6 45.36°C 0.995
12.021V 4.966V 3.284V 4.991V 967.835 55.45°C 114.56V
110% 69.620A 10.07A 10.145A 3.01A 934.33 86.705% 1859 40.6 46.56°C 0.996
12.009V 4.965V 3.283V 4.984V 1077.598 57.47°C 114.53V
CL1 0.115A 14.553A 14.543A 0A 121.297 84.179% 921 19.7 40.32°C 0.975
12.161V 4.961V 3.281V 5.101V 144.095 45.81°C 114.83V
CL2 0.114A 22.155A 0A 0A 111.298 82.857% 851 17.2 40.71°C 0.974
12.169V 4.961V 3.294V 5.106V 134.326 47.74°C 114.83V
CL3 0.113A 0A 22.104A 0A 73.994 77.525% 813 15.6 40.22°C 0.958
12.171V 4.982V 3.285V 5.105V 95.446 49.29°C 114.85V
CL4 70.669A 0A 0A 0A 849.552 88.323% 1864 40.7 45.59°C 0.995
12.022V 4.988V 3.302V 5.068V 961.869 56.58°C 114.57V

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% 5.214A 2.007A 2A 0.982A 84.993 87.129% 744 12.7 40.45°C 0.83
12.157V 4.983V 3.299V 5.092V 97.548 44.54°C 229.76V
20% 11.462A 3.012A 3.003A 1.181A 169.917 91.794% 743 12.8 40.68°C 0.918
12.129V 4.98V 3.297V 5.081V 185.108 45.01°C 229.75V
30% 18.066A 3.515A 3.504A 1.381A 254.911 93.097% 746 12.9 41.05°C 0.945
12.114V 4.979V 3.296V 5.07V 273.811 45.92°C 229.73V
40% 24.691A 4.018A 4.006A 1.581A 339.983 93.495% 783 14.7 41.87°C 0.956
12.101V 4.977V 3.295V 5.06V 363.641 46.88°C 229.72V
50% 30.955A 5.025A 5.011A 1.782A 424.706 93.376% 860 17.3 42.38°C 0.966
12.088V 4.975V 3.293V 5.05V 454.832 47.85°C 229.7V
60% 37.216A 6.032A 6.016A 1.985A 509.253 93.153% 946 20.9 42.74°C 0.97
12.076V 4.973V 3.291V 5.039V 546.678 48.79°C 229.69V
70% 43.554A 7.041A 7.023A 2.187A 594.561 92.79% 1110 25.4 43.04°C 0.973
12.064V 4.971V 3.289V 5.028V 640.759 50.14°C 229.67V
80% 49.916A 8A 8.03A 2.29A 679.159 92.293% 1563 35.6 43.61°C 0.977
12.050V 4.969V 3.287V 5.02V 735.875 51.66°C 229.66V
90% 56.695A 8.555A 8.521A 2.394A 764.825 91.785% 1863 40.7 44.04°C 0.98
12.035V 4.967V 3.286V 5.012V 833.28 53.07°C 229.64V
100% 63.213A 9.061A 9.042A 3.004A 849.639 91.27% 1860 40.6 45.22°C 0.982
12.022V 4.965V 3.284V 4.992V 930.905 55.32°C 229.62V
110% 69.609A 10.071A 10.143A 3.008A 934.225 90.71% 1859 40.6 46.6°C 0.983
12.009V 4.964V 3.283V 4.986V 1029.902 57.59°C 229.61V
CL1 0.114A 14.554A 14.541A 0A 121.285 85.104% 917 19.6 40.4°C 0.891
12.159V 4.96V 3.281V 5.102V 142.517 45.89°C 229.74V
CL2 0.113A 22.163A 0A 0A 111.296 83.711% 849 17.2 40.52°C 0.881
12.168V 4.96V 3.294V 5.107V 132.953 47.57°C 229.75V
CL3 0.113A 0A 22.102A 0A 73.991 78.198% 813 15.6 40.52°C 0.825
12.171V 4.983V 3.285V 5.106V 94.621 49.58°C 229.76V
CL4 70.658A 0A 0A 0A 849.407 91.867% 1869 40.9 45.18°C 0.982
12.022V 4.99V 3.303V 5.068V 924.605 56.16°C 229.63V

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 1.222A 0.501A 0.499A 0.196A 19.984 78.245% 730 12 36.51°C 0.452
12.140V 4.988V 3.303V 5.111V 25.536 39.58°C 229.77V
40W 2.692A 0.702A 0.7A 0.294A 39.986 84.488% 733 12.2 37.46°C 0.642
12.139V 4.986V 3.302V 5.108V 47.329 40.79°C 229.77V
60W 4.162A 0.902A 0.899A 0.392A 59.987 86.872% 735 12.4 38.23°C 0.751
12.140V 4.985V 3.301V 5.105V 69.05 41.76°C 229.77V
80W 5.620A 1.103A 1.1A 0.49A 79.923 87.063% 740 13.1 39.1°C 0.819
12.153V 4.984V 3.301V 5.104V 91.801 42.92°C 229.76V

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 1.222A 0.501A 0.499A 0.196A 19.984 78.245% 730 12 36.51°C 0.452
12.140V 4.988V 3.303V 5.111V 25.536 39.58°C 229.77V
40W 2.692A 0.702A 0.7A 0.294A 39.986 84.488% 733 12.2 37.46°C 0.642
12.139V 4.986V 3.302V 5.108V 47.329 40.79°C 229.77V
60W 4.162A 0.902A 0.899A 0.392A 59.987 86.872% 735 12.4 38.23°C 0.751
12.140V 4.985V 3.301V 5.105V 69.05 41.76°C 229.77V
80W 5.620A 1.103A 1.1A 0.49A 79.923 87.063% 740 13.1 39.1°C 0.819
12.153V 4.984V 3.301V 5.104V 91.801 42.92°C 229.76V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load11.00mV13.39mV12.23mV12.79mVPass
20% Load26.44mV13.79mV11.92mV13.25mVPass
30% Load15.79mV14.20mV11.56mV12.63mVPass
40% Load14.22mV13.74mV11.61mV13.10mVPass
50% Load13.92mV14.46mV12.07mV12.94mVPass
60% Load13.56mV14.51mV13.25mV13.04mVPass
70% Load14.53mV14.40mV13.04mV13.61mVPass
80% Load15.81mV14.61mV13.30mV14.99mVPass
90% Load16.17mV15.99mV14.27mV13.97mVPass
100% Load23.50mV17.54mV15.39mV17.41mVPass
110% Load25.70mV17.68mV16.57mV18.80mVPass
Crossload128.92mV19.12mV17.75mV14.96mVPass
Crossload217.40mV20.54mV17.65mV14.32mVPass
Crossload317.09mV15.89mV16.17mV11.56mVPass
Crossload422.56mV16.50mV11.85mV18.94mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load10.75mV13.79mV10.95mV12.17mVPass
20% Load25.97mV14.00mV12.38mV12.02mVPass
30% Load16.00mV13.64mV11.41mV12.48mVPass
40% Load13.92mV14.30mV12.99mV12.58mVPass
50% Load14.48mV15.33mV12.02mV13.40mVPass
60% Load14.94mV14.71mV13.45mV13.91mVPass
70% Load15.30mV14.81mV12.84mV13.96mVPass
80% Load15.45mV15.23mV14.22mV13.86mVPass
90% Load16.27mV15.48mV14.07mV14.12mVPass
100% Load22.88mV16.71mV14.09mV15.82mVPass
110% Load24.70mV16.46mV15.42mV15.37mVPass
Crossload134.67mV17.43mV17.84mV13.70mVPass
Crossload218.21mV21.36mV18.26mV13.76mVPass
Crossload316.12mV16.19mV17.03mV12.02mVPass
Crossload422.30mV16.73mV12.48mV14.02mVPass

The results above are not used in the certification process

be quiet! Pure Power 12 M 850W

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