CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Gigabyte UD750GM
Serial Number21443G005514
Lab IDGB75002007
  • Report: 22PS2007A
  • Receipt Date: Mar 29, 2022
  • Test Date: Apr 21, 2022
  • Report Date: Apr 21, 2022
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandGigabyte
Manufacturer (OEM)MEIC
SeriesUD
Model NumberGP-UD750GM
Serial Number21443G005514
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)12-6
Rated Frequency (Hz)60-50
Rated Power (W)750
TypeATX12V
Cooling120mm Rifle Bearing Fan
(D12SH-12)
Semi-Passive Operation✓
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps20206130.3
Watts105732153.6
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, 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 -

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)19.4
AC Loss to PWR_OK Hold Up Time (ms)16.1
PWR_OK Inactive to DC Loss Delay (ms)3.3

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.12 V 115.09 V 113.85 V 115.16 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: 1.416 1.415 1.340 1.418 1.490 PASS
Mains Voltage THD: 0.13 % 0.10 % N/A 0.18 % 2.00 % PASS
Real Power: 0.034 W 0.023 W N/A 0.062 W N/A N/A
Apparent Power: 7.216 W 7.179 W N/A 7.253 W N/A N/A
Power Factor: 0.007 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 230.28 V 230.17 V 227.70 V 230.34 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: 1.416 1.415 1.340 1.417 1.490 PASS
Mains Voltage THD: 0.12 % 0.10 % N/A 0.22 % 2.00 % PASS
Real Power: 0.156 W 0.141 W N/A 0.185 W N/A N/A
Apparent Power: 24.368 W 24.228 W N/A 24.519 W N/A N/A
Power Factor: 0.006 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 0.229W 67.822% 0.046
5.091V 0.338W 115.12V
2 0.09A 0.458W 73.675% 0.084
5.09V 0.622W 115.12V
3 0.55A 2.795W 80.059% 0.318
5.081V 3.491W 115.12V
4 1A 5.072W 80.616% 0.404
5.072V 6.291W 115.12V
5 1.5A 7.593W 80.853% 0.442
5.061V 9.391W 115.12V
6 3A 15.092W 78.882% 0.496
5.03V 19.132W 115.12V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.229W 58.271% 0.016
5.09V 0.396W 230.29V
2 0.09A 0.458W 62.429% 0.03
5.09V 0.734W 230.29V
3 0.55A 2.795W 76.795% 0.137
5.081V 3.64W 230.28V
4 1A 5.072W 78.796% 0.215
5.071V 6.437W 230.28V
5 1.5A 7.592W 79.29% 0.276
5.061V 9.575W 230.28V
6 3A 15.093W 80.547% 0.363
5.031V 18.738W 230.28V

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% 4.416A 1.951A 1.954A 0.987A 75.003 86.284% 0 <6.0 45.13°C 0.954
12.094V 5.126V 3.378V 5.064V 86.93 40.54°C 115.1V
20% 9.845A 2.93A 2.939A 1.187A 149.948 89.733% 0 <6.0 46.07°C 0.972
12.092V 5.119V 3.368V 5.054V 167.102 40.7°C 115.08V
30% 15.629A 3.421A 3.434A 1.387A 224.953 91.127% 943 27.9 41.26°C 0.98
12.087V 5.116V 3.364V 5.047V 246.853 47.08°C 115.06V
40% 21.430A 3.915A 3.935A 1.588A 300.056 91.602% 950 28.2 41.54°C 0.984
12.079V 5.109V 3.354V 5.038V 327.559 47.64°C 115.04V
50% 26.851A 4.899A 4.933A 1.79A 374.612 91.384% 958 28.3 42.17°C 0.985
12.071V 5.103V 3.345V 5.028V 409.937 48.69°C 115.02V
60% 32.307A 5.887A 5.937A 1.993A 449.563 90.95% 1250 34.4 42.85°C 0.987
12.064V 5.097V 3.335V 5.018V 494.299 49.94°C 115V
70% 37.769A 6.877A 6.944A 2.197A 524.47 90.32% 1701 41.1 43.62°C 0.987
12.056V 5.09V 3.327V 5.009V 580.68 51.13°C 114.98V
80% 43.303A 7.871A 7.954A 2.3A 599.663 89.743% 1955 44.5 43.73°C 0.988
12.049V 5.084V 3.319V 5.001V 668.196 52.06°C 114.96V
90% 49.173A 8.372A 8.454A 2.403A 674.621 89.225% 1985 44.8 44.76°C 0.989
12.042V 5.077V 3.312V 4.995V 756.082 54.04°C 114.93V
100% 54.852A 8.876A 8.994A 3.014A 749.818 88.446% 1972 44.6 45.43°C 0.986
12.034V 5.07V 3.302V 4.977V 847.773 55.52°C 114.91V
110% 60.401A 9.883A 10.095A 3.017A 824.769 87.771% 1986 44.8 46.66°C 0.986
12.028V 5.059V 3.298V 4.972V 939.669 57.51°C 114.89V
CL1 0.115A 12.337A 12.417A 0A 106.286 83.897% 0 <6.0 48.72°C 0.967
12.090V 5.123V 3.357V 5.073V 126.683 42.25°C 115.09V
CL2 0.115A 19.539A 0A 0A 101.399 82.618% 0 <6.0 50.53°C 0.966
12.092V 5.119V 3.366V 5.078V 122.736 43.17°C 115.09V
CL3 0.115A 0A 19.702A 0A 67.377 77.141% 0 <6.0 52.61°C 0.955
12.090V 5.114V 3.349V 5.075V 87.34 44.52°C 115.1V
CL4 62.269A 0A 0A 0A 749.55 89.433% 1994 44.8 45.74°C 0.99
12.037V 5.062V 3.324V 5.048V 838.103 55.85°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% 4.416A 1.95A 1.955A 0.987A 75.008 87.179% 0 <6.0 44.65°C 0.846
12.094V 5.127V 3.376V 5.064V 86.037 40.23°C 230.27V
20% 9.847A 2.93A 2.94A 1.187A 149.96 90.895% 0 <6.0 45.71°C 0.921
12.091V 5.12V 3.367V 5.055V 164.984 40.68°C 230.26V
30% 15.627A 3.423A 3.436A 1.387A 224.974 92.463% 947 28.1 41.2°C 0.946
12.090V 5.113V 3.361V 5.046V 243.315 46.52°C 230.25V
40% 21.431A 3.917A 3.935A 1.588A 300.064 93.057% 952 28.2 41.38°C 0.959
12.079V 5.107V 3.355V 5.037V 322.449 47.45°C 230.25V
50% 26.852A 4.902A 4.931A 1.79A 374.603 93.047% 958 28.3 42.17°C 0.967
12.070V 5.1V 3.346V 5.028V 402.604 48.74°C 230.24V
60% 32.307A 5.89A 5.933A 1.993A 449.528 92.798% 1286 35.2 42.67°C 0.972
12.063V 5.094V 3.337V 5.018V 484.411 49.73°C 230.23V
70% 37.772A 6.88A 6.939A 2.196A 524.439 92.356% 1624 40.4 43.44°C 0.975
12.055V 5.088V 3.329V 5.009V 567.843 51.22°C 230.22V
80% 43.310A 7.875A 7.948A 2.3A 599.64 92.016% 1888 43.8 43.64°C 0.978
12.047V 5.081V 3.321V 5.002V 651.672 52.05°C 230.21V
90% 49.184A 8.378A 8.451A 2.403A 674.662 91.642% 1978 44.7 44.98°C 0.98
12.040V 5.074V 3.313V 4.995V 736.2 54.18°C 230.2V
100% 54.867A 8.883A 8.99A 3.015A 749.889 91.213% 1980 44.7 46.12°C 0.981
12.032V 5.067V 3.303V 4.977V 822.133 56.14°C 230.19V
110% 60.428A 9.884A 10.095A 3.018A 824.897 90.769% 1973 44.6 46.73°C 0.983
12.024V 5.06V 3.298V 4.971V 908.812 57.64°C 230.18V
CL1 0.116A 12.336A 12.408A 0A 106.304 84.293% 511 9.1 42.67°C 0.894
12.090V 5.124V 3.36V 5.072V 126.116 48.24°C 230.27V
CL2 0.116A 19.54A 0A 0A 101.414 83.561% 0 <6.0 50.76°C 0.889
12.092V 5.119V 3.368V 5.078V 121.367 43.07°C 230.27V
CL3 0.115A 0A 19.739A 0A 67.381 77.906% 0 <6.0 52.26°C 0.847
12.091V 5.112V 3.343V 5.074V 86.483 44.15°C 230.28V
CL4 62.281A 0A 0A 0A 749.62 92.033% 1989 44.8 45.75°C 0.981
12.036V 5.062V 3.319V 5.048V 814.524 55.77°C 230.19V

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 1.228A 0.488A 0.487A 0.197A 20.001 69.932% 0 <6.0 40.09°C 0.876
12.097V 5.123V 3.385V 5.085V 28.606 37.04°C 115.12V
40W 2.704A 0.683A 0.683A 0.295A 40.002 81.058% 0 <6.0 40.71°C 0.926
12.086V 5.121V 3.383V 5.082V 49.349 37.45°C 115.11V
60W 4.180A 0.879A 0.878A 0.394A 60.001 85.662% 0 <6.0 42.23°C 0.946
12.090V 5.12V 3.382V 5.078V 70.042 38.48°C 115.11V
80W 5.650A 1.074A 1.074A 0.493A 79.952 87.795% 0 <6.0 44.03°C 0.956
12.093V 5.122V 3.38V 5.075V 91.063 39.98°C 115.1V

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 1.228A 0.488A 0.487A 0.197A 19.999 70.628% 0 <6.0 40.47°C 0.6
12.093V 5.124V 3.384V 5.086V 28.315 37.4°C 230.28V
40W 2.706A 0.683A 0.683A 0.295A 40.001 82.139% 0 <6.0 41.55°C 0.739
12.084V 5.122V 3.381V 5.082V 48.7 38.21°C 230.28V
60W 4.180A 0.878A 0.879A 0.394A 60.003 86.5% 0 <6.0 42.34°C 0.811
12.089V 5.122V 3.38V 5.079V 69.371 38.83°C 230.27V
80W 5.650A 1.073A 1.075A 0.493A 79.962 88.582% 0 <6.0 42.95°C 0.853
12.093V 5.123V 3.378V 5.075V 90.269 39.25°C 230.27V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load7.88mV14.25mV9.97mV15.97mVPass
20% Load9.26mV15.88mV11.86mV15.81mVPass
30% Load16.10mV17.21mV12.32mV20.52mVPass
40% Load13.20mV16.24mV13.14mV17.76mVPass
50% Load14.33mV18.18mV14.78mV17.76mVPass
60% Load14.12mV19.05mV17.33mV16.43mVPass
70% Load15.91mV21.55mV19.74mV17.45mVPass
80% Load17.24mV22.12mV22.14mV17.30mVPass
90% Load17.81mV23.19mV23.42mV18.02mVPass
100% Load26.39mV26.57mV25.50mV21.69mVPass
110% Load28.90mV26.83mV28.32mV22.32mVPass
Crossload110.42mV25.55mV28.99mV15.49mVPass
Crossload28.80mV17.67mV31.81mV14.84mVPass
Crossload38.24mV24.26mV17.69mV14.84mVPass
Crossload424.92mV15.41mV10.97mV19.05mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load8.14mV14.97mV9.77mV16.43mVPass
20% Load8.80mV14.97mV11.04mV16.07mVPass
30% Load15.53mV17.21mV12.48mV17.25mVPass
40% Load12.41mV16.45mV13.45mV17.19mVPass
50% Load12.69mV18.03mV14.73mV17.50mVPass
60% Load13.10mV19.00mV17.08mV17.14mVPass
70% Load14.38mV21.40mV19.33mV17.35mVPass
80% Load15.15mV21.86mV21.38mV17.81mVPass
90% Load15.86mV22.73mV23.42mV17.71mVPass
100% Load24.33mV24.80mV25.19mV22.28mVPass
110% Load25.56mV25.80mV27.07mV22.53mVPass
Crossload19.92mV24.43mV27.46mV15.33mVPass
Crossload28.24mV17.00mV32.73mV14.74mVPass
Crossload37.83mV17.47mV16.98mV14.07mVPass
Crossload423.34mV14.57mV10.75mV18.86mVPass

The results above are not used in the certification process

Gigabyte UD750GM

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