CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Gigabyte UD850GM
Serial NumberSN21443G005516
Lab IDGB85002006
  • Report: 22PS2006A
  • Receipt Date: Mar 29, 2022
  • Test Date: Apr 19, 2022
  • Report Date: Apr 19, 2021
115V230V
Efficiency Rating
115V230V
Noise Rating
This product certification body is accredited in accordance with the recognized International Standard ISO/IEC 17065:2012 Requirements for bodies certifying products, processes and services. This product certification body also meets the A2LA R308 - Specific Requirements - ISO-IEC 17065 - Telecommunication Certification Body Accreditation Program and R322 - Specific Requirements - Notified Body Accreditation Requirements. This accreditation demonstrates technical competence for a defined scope and the operation of a management system
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandGigabyte
Manufacturer (OEM)MEIC
SeriesUD
Model NumberGP-UD850GM
Serial NumberSN21443G005516
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)10-6
Rated Frequency (Hz)60-50
Rated Power (W)850
TypeATX12V
Cooling120mm Rifle Bearing Fan
(D12SH-12)
Semi-Passive Operation✓
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202070.830.3
Watts850849.6153.6
Total Max. Power (W)850

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, Keithley 2015 - THD
UPS CyberPower OLS3000E 3kVA x2
Transformer 3kVA x2
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 (610mm) 1 1 18AWG No
4+4 pin EPS12V (600mm) 2 2 18AWG No
6+2 pin PCIe (600mm+150mm) 2 4 18AWG No
SATA (600mm+150mm+150mm+150mm) 2 8 18AWG No
4-pin Molex (500mm+115mm+115mm) / FDD (+150mm) 1 3 / 1 18AWG No
AC Power Cord (1400mm) - C13 coupler 1 1 16AWG -

Parts Description

General Data -
Manufacturer (OEM) MEIC
PCB Type Double Sided
Primary Side -
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV, 1x Chipown PN8200 (Discharge IC)
Inrush Protection NTC Thermistor & Relay
Bridge Rectifier(s) 2x GBU1506 (800V, 15A @ 100°C)
APFC MOSFETs 2x NCE Power NCE65TF099F (650V, 24A @ 100°C, Rds(on): 0.109Ohm)
APFC Boost Diode 1x JF SC1065 (600V, 10A @ 156°C)
Bulk Cap(s) 1x Nippon Chemi-Con (400V, 820uF, 2,000h @ 105°C, KMW)
Main Switchers 2x NCE Power NCE65TF099F (650V, 24A @ 100°C, Rds(on): 0.109Ohm)
APFC Controller Champion CM6500UNX
Resonant Controller Champion CM6901X
Topology Primary side: APFC, Half-Bridge & LLC converter
Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side -
+12V MOSFETs no info
5V & 3.3V DC-DC Converters: 4x Alpha & Omega AON6354 (30V, 52A @ 100°C, Rds(on): 4.4mOhm)
PWM Controllers: 2x uPI-Semi uP9303B
Filtering Capacitors Electrolytic: 10x Lelon (4-7,000h @ 105°C, RXW), 2x Lelon (4-10,000h @ 105°C, RZW), 2x Lelon (2-5,000h @ 105°C, RXK)
Polymer: 10x Lelon, 4x no info
Supervisor IC Weltrend WT7502R (OVP, UVP, SCP, PG)
Fan Model Yate Loon D12SH-12 (120mm, 12V, 0.30A, Rifle Bearing Fan)
5VSB Circuit -
Rectifier 1x JF Semiconductor SP10U45L SBR (45V, 10A)
Standby PWM Controller PR8109T

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✓

Performance Summary

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)19.3
AC Loss to PWR_OK Hold Up Time (ms)16.6
PWR_OK Inactive to DC Loss Delay (ms)2.7

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.14 V 115.14 V 113.85 V 115.17 V 116.15 V PASS
Mains Frequency: 60.00 Hz 60.00 Hz 59.40 Hz 60.01 Hz 60.60 Hz PASS
Mains Voltage CF: 1.415 1.415 1.340 1.416 1.490 PASS
Mains Voltage THD: 0.13 % 0.11 % N/A 0.15 % 2.00 % PASS
Real Power: 0.033 W 0.026 W N/A 0.057 W N/A N/A
Apparent Power: 7.036 W 7.031 W N/A 7.048 W N/A N/A
Power Factor: 0.008 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 230.37 V 230.35 V 227.70 V 230.38 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: 1.415 1.415 1.340 1.416 1.490 PASS
Mains Voltage THD: 0.14 % 0.13 % N/A 0.16 % 2.00 % PASS
Real Power: 0.154 W 0.142 W N/A 0.165 W N/A N/A
Apparent Power: 23.547 W 23.540 W N/A 23.556 W N/A N/A
Power Factor: 0.007 N/A N/A N/A N/A N/A

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 0.227W 67.569% 0.047
5.036V 0.336W 115.15V
2 0.09A 0.453W 73.942% 0.084
5.035V 0.613W 115.15V
3 0.55A 2.765W 80.038% 0.317
5.027V 3.455W 115.14V
4 1A 5.019W 80.502% 0.4
5.017V 6.235W 115.14V
5 1.5A 7.513W 80.673% 0.436
5.007V 9.313W 115.14V
6 3A 14.93W 78.897% 0.484
4.976V 18.923W 115.13V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.227W 51.997% 0.019
5.036V 0.437W 230.36V
2 0.09A 0.453W 62.428% 0.031
5.035V 0.725W 230.36V
3 0.55A 2.765W 76.801% 0.14
5.026V 3.601W 230.37V
4 1A 5.019W 78.616% 0.218
5.017V 6.382W 230.36V
5 1.5A 7.512W 79.368% 0.278
5.007V 9.464W 230.36V
6 3A 14.931W 80.407% 0.363
4.977V 18.57W 230.36V

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% 5.230A 1.961A 1.947A 0.999A 84.998 86.584% 0 <6.0 44.67°C 0.947
12.121V 5.099V 3.39V 5.007V 98.165 40.23°C 115.11V
20% 11.474A 2.947A 2.928A 1.201A 169.941 89.903% 0 <6.0 45.26°C 0.966
12.117V 5.09V 3.381V 4.996V 189.022 40.45°C 115.1V
30% 18.079A 3.445A 3.422A 1.404A 254.95 90.774% 979 28.3 41.49°C 0.977
12.108V 5.081V 3.375V 4.986V 280.877 46.85°C 115.07V
40% 24.700A 3.944A 3.92A 1.608A 340.037 91.254% 981 28.3 41.68°C 0.98
12.098V 5.071V 3.368V 4.976V 372.627 47.58°C 115.05V
50% 30.974A 4.939A 4.912A 1.813A 424.991 91.049% 983 28.4 41.86°C 0.984
12.090V 5.062V 3.359V 4.965V 466.771 48.37°C 115.02V
60% 37.232A 5.938A 5.91A 2A 509.446 90.673% 987 28.6 42.2°C 0.986
12.079V 5.053V 3.351V 4.954V 561.846 49.29°C 115.01V
70% 43.571A 6.942A 6.912A 2.226A 594.902 90.115% 1106 31.7 43.76°C 0.987
12.067V 5.043V 3.342V 4.942V 660.166 51.31°C 114.98V
80% 49.910A 7.949A 7.919A 2.332A 679.748 89.311% 1766 42.1 43.86°C 0.988
12.059V 5.034V 3.334V 4.932V 761.098 52.02°C 114.96V
90% 56.660A 8.462A 8.418A 2.438A 765.181 88.56% 2087 45.9 44.52°C 0.989
12.049V 5.024V 3.326V 4.924V 864.021 53.65°C 114.93V
100% 63.175A 8.974A 8.957A 3.062A 849.959 87.614% 2121 46.2 45.22°C 0.991
12.034V 5.015V 3.316V 4.9V 970.115 55.22°C 114.91V
110% 69.561A 9.992A 10.072A 3.067A 934.582 86.75% 2119 46.2 46.9°C 0.992
12.023V 5.004V 3.306V 4.892V 1077.342 57.77°C 114.88V
CL1 0.116A 12.402A 12.378A 0A 106.306 83.852% 0 <6.0 48.23°C 0.954
12.121V 5.096V 3.369V 5.011V 126.78 41.7°C 115.12V
CL2 0.115A 19.646A 0A 0A 101.398 82.183% 0 <6.0 50.52°C 0.953
12.127V 5.09V 3.367V 5.022V 123.381 42.55°C 115.12V
CL3 0.115A 0A 19.579A 0A 67.393 77.569% 0 <6.0 52.217°C 0.938
12.121V 5.072V 3.371V 5.007V 86.889 43.06°C 115.13V
CL4 70.588A 0A 0A 0.001A 849.689 88.373% 2112 46.1 44.18°C 0.991
12.037V 5.009V 3.326V 4.979V 961.482 54.21°C 114.91V

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% 5.233A 1.959A 1.946A 0.999A 84.999 87.52% 0 <6.0 45.62°C 0.854
12.115V 5.104V 3.391V 5.006V 97.127 41.12°C 230.33V
20% 11.478A 2.945A 2.927A 1.201A 169.945 91.111% 0 <6.0 46.74°C 0.915
12.113V 5.094V 3.382V 4.995V 186.531 41.66°C 230.32V
30% 18.081A 3.442A 3.422A 1.405A 254.953 92.268% 987 28.6 42.16°C 0.941
12.107V 5.084V 3.375V 4.984V 276.32 47.93°C 230.31V
40% 24.706A 3.942A 3.921A 1.609A 340.045 92.858% 987 28.6 42.49°C 0.954
12.096V 5.075V 3.367V 4.973V 366.199 48.62°C 230.3V
50% 30.986A 4.937A 4.913A 1.814A 425.019 92.85% 988 28.6 42.99°C 0.963
12.086V 5.065V 3.358V 4.962V 457.748 49.49°C 230.3V
60% 37.250A 5.936A 5.912A 2.001A 509.488 92.635% 991 28.7 43.15°C 0.969
12.074V 5.055V 3.349V 4.95V 549.991 50.23°C 230.29V
70% 43.583A 6.939A 6.916A 2.228A 594.888 92.256% 1158 33.6 43.51°C 0.973
12.064V 5.046V 3.34V 4.938V 644.817 51.21°C 230.28V
80% 49.926A 7.946A 7.923A 2.333A 679.719 91.706% 1720 41.7 44.29°C 0.976
12.054V 5.036V 3.332V 4.929V 741.195 52.66°C 230.26V
90% 56.680A 8.458A 8.423A 2.439A 765.15 91.212% 2122 46.1 44.91°C 0.979
12.044V 5.025V 3.324V 4.92V 838.872 54.18°C 230.25V
100% 63.183A 8.975A 8.958A 3.062A 849.942 90.706% 2126 46.2 45.13°C 0.981
12.033V 5.015V 3.315V 4.9V 937.033 55.37°C 230.23V
110% 69.568A 9.992A 10.073A 3.067A 934.544 90.101% 2131 46.3 46.57°C 0.983
12.021V 5.004V 3.305V 4.892V 1037.218 57.5°C 230.22V
CL1 0.115A 12.398A 12.366A 0A 106.301 84.685% 0 <6.0 49.39°C 0.884
12.120V 5.098V 3.372V 5.011V 125.527 42.83°C 230.33V
CL2 0.115A 19.634A 0A 0A 101.395 83.402% 0 <6.0 50.75°C 0.88
12.127V 5.093V 3.367V 5.022V 121.576 43.42°C 230.33V
CL3 0.115A 0A 19.616A 0A 67.388 78.407% 0 <6.0 52.42°C 0.84
12.120V 5.079V 3.364V 5.007V 85.944 44.31°C 230.34V
CL4 70.593A 0A 0A 0.001A 849.669 91.372% 2124 46.1 45.74°C 0.981
12.036V 5.009V 3.323V 4.978V 929.893 55.84°C 230.24V

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 1.226A 0.49A 0.486A 0.199A 19.997 70.236% 0 <6.0 40.23°C 0.867
12.117V 5.099V 3.396V 5.03V 28.472 37.14°C 115.13V
40W 2.700A 0.687A 0.681A 0.298A 39.996 79.921% 0 <6.0 40.82°C 0.908
12.106V 5.097V 3.394V 5.027V 50.05 37.48°C 115.12V
60W 4.172A 0.883A 0.875A 0.398A 59.995 84.027% 0 <6.0 42.65°C 0.932
12.112V 5.095V 3.393V 5.023V 71.401 38.91°C 115.12V
80W 5.638A 1.079A 1.07A 0.498A 79.944 87.157% 0 <6.0 43.01°C 0.943
12.117V 5.096V 3.392V 5.019V 91.724 38.94°C 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]) Temps (In/Out) PF/AC Volts
20W 1.240A 0.5A 0.5A 0.2A 20.284 70.589% 0 <6.0 40.01°C 0.629
12.115V 5.103V 3.395V 5.03V 28.736 36.87°C 230.38V
40W 2.720A 0.7A 0.7A 0.3A 40.384 80.794% 0 <6.0 40.81°C 0.752
12.104V 5.102V 3.394V 5.026V 49.985 37.47°C 230.38V
60W 4.224A 0.9A 0.9A 0.4A 60.812 85.389% 0 <6.0 41.72°C 0.812
12.111V 5.1V 3.393V 5.022V 71.214 38.18°C 230.38V
80W 5.704A 1.1A 1.1A 0.5A 80.967 88.113% 0 <6.0 43.74°C 0.847
12.117V 5.101V 3.391V 5.017V 91.885 39.93°C 230.38V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load6.08mV10.18mV7.83mV18.61mVPass
20% Load8.17mV11.30mV8.96mV19.98mVPass
30% Load21.89mV12.88mV9.37mV21.31mVPass
40% Load17.45mV12.99mV10.34mV22.33mVPass
50% Load18.06mV14.78mV12.03mV23.35mVPass
60% Load18.48mV15.96mV14.28mV23.40mVPass
70% Load17.09mV17.18mV16.74mV23.96mVPass
80% Load17.71mV20.10mV22.42mV23.81mVPass
90% Load18.23mV20.51mV23.49mV24.47mVPass
100% Load30.25mV23.12mV26.59mV29.54mVPass
110% Load30.82mV24.74mV29.50mV30.89mVPass
Crossload19.13mV20.68mV28.50mV18.64mVPass
Crossload27.30mV16.62mV16.74mV16.42mVPass
Crossload35.98mV14.47mV25.18mV16.57mVPass
Crossload428.35mV14.76mV9.44mV24.14mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load5.36mV9.72mV7.47mV19.42mVPass
20% Load7.51mV12.12mV8.70mV20.95mVPass
30% Load22.56mV13.04mV9.37mV21.72mVPass
40% Load16.94mV12.73mV10.24mV22.28mVPass
50% Load16.12mV14.57mV12.13mV23.81mVPass
60% Load15.72mV15.90mV14.12mV23.30mVPass
70% Load14.54mV16.87mV16.68mV23.65mVPass
80% Load15.31mV20.10mV23.39mV23.65mVPass
90% Load16.90mV21.94mV24.05mV25.49mVPass
100% Load27.39mV23.75mV26.61mV28.78mVPass
110% Load29.03mV24.97mV30.13mV30.76mVPass
Crossload18.92mV20.62mV29.77mV18.62mVPass
Crossload27.82mV17.59mV16.53mV17.18mVPass
Crossload35.93mV13.81mV25.18mV17.08mVPass
Crossload426.02mV14.97mV9.46mV24.21mVPass

The results above are not used in the certification process

Gigabyte UD850GM

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