CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Lian Li EG0750G
Serial NumberG9PEG0750GBY244600043
Lab IDLL75002748
  • Report: 25PS2748A
  • Receipt Date: Feb 6, 2025
  • Test Date: Feb 20, 2025
  • Report Date: Feb 21, 2025
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandLian Li
Manufacturer (OEM)Helly
SeriesEDGE Gold
Model NumberEG0750G
Serial NumberG9PEG0750GBY244600043
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)5-10
Rated Frequency (Hz)50-60
Rated Power (W)750
TypeATX12V
Cooling120mm Fluid Dynamic Bearing Fan (HA1225M12F-Z)
Semi-Passive Operation✓
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202062.530.3
Watts120750153.6
Total Max. Power (W)750

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 (625mm) 1 1 16-22AWG No
4+4 pin EPS12V (745mm) 1 1 16AWG No
8 pin EPS12V (745mm) 1 1 16AWG No
6+2 pin PCIe (645mm) 2 2 16AWG No
6+2 pin PCIe (645mm+100mm) 1 2 16AWG No
12+4 pin PCIe (650mm) (600W) 1 1 16-26AWG No
2x SATA (380mm+150mm) 1 4 16AWG No
SATA (310mm+15mm+15mm+15mm) 1 4 16AWG No
SATA (400mm+150mm+150mm+150mm) 1 4 16AWG No
4-pin Molex (495mm+150mm+150mm+150mm) 1 4 16AWG No
AC Power Cord (1390mm) - C13 coupler 1 1 18AWG -

Parts Description

General Data
Manufacturer (OEM) Helly Technology
PCB Type Double-Sided
Primary Side
Transient Filter 2x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection 1x NTC Thermistor MF73T-1 20/7 (20 ohm) & Relay
Bridge Rectifier(s)

1x GBU1508 (800V, 15A @ 100°C)
APFC MOSFETs

2x Fuxin Semiconductor FXN28N50F (500V, 16.7A @ 100°C, Rds(on): 0.20Ohm)
APFC Boost Diode

1x WeEn BYC10X-600P (600V, 10A @ 61°C)
Bulk Cap(s)

1x TDK (420V, 470uF, 2,000h @ 105°C, EPCOS)
Main Switchers

2x Fuxin Semiconductor FXN28N50F (500V, 16.7A @ 100°C, Rds(on): 0.20Ohm)
Resonant Controller

Champion CM6901T6X
APFC Controller

Champion CM6500UNX
Topology

Primary side: APFC, Half-Bridge & LLC Resonant converter Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side
+12V MOSFETs 4x Huayi HYG009N04LS1C2 (40V,233A @ 100°C, Rds(on): 0.96mOhm)
5V & 3.3V DC-DC Converters: 2x XSEMI XP3NA3R4MT (30V, 46A @ 100°C, Rds(on): 3.4mOhm) & 2x Rectron Semiconductor RMN3N5R0DF (30V, 19.7A @ 70°C, Rds(on): 5mOhm) PWM Controller(s): 2x Anpec APW7073
Filtering Capacitors

Electrolytic: 8x Ltec (2-5,000h @105°C, LXY) 3x Ltec (4-7,000h @105°C, LZG) 1x CS (3,000h @105°C, WE) Polymer: 16x Beryl, 7x Chengx (PC)
Supervisor IC Weltrend WT7527RA (OVD, PGO, UVD, OCD)
Fan Model Hong Hua HA1225M12F-Z (120mm, 12V, 0.45A, Fluid Dynamic Bearing Fan)
5VSB
Rectifier(s)

P6SMB (220V, 1A) & 1x Dongke Semiconductor DK5V60R20S
Standby PWM Controller

Excelliance MOS EM8569C

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✓

Performance Summary

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)16.1
AC Loss to PWR_OK Hold Up Time (ms)13
PWR_OK Inactive to DC Loss Delay (ms)3.1

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.05 V 115.01 V 113.85 V 115.08 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.99 Hz 59.40 Hz 60.01 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: 0.049 W -0.009 W N/A 0.078 W N/A N/A
Apparent Power: 6.557 W 6.381 W N/A 6.741 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: 231.01 V 230.91 V 227.70 V 231.07 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 % 0.14 % N/A 0.26 % 2.00 % PASS
Real Power: 0.082 W 0.049 W N/A 0.126 W N/A N/A
Apparent Power: 21.678 W 21.404 W N/A 21.972 W N/A N/A
Power Factor: 0.003 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 0.232W 66.395% 0.051
5.157V 0.349W 114.88V
2 0.09A 0.464W 71.222% 0.093
5.156V 0.651W 114.88V
3 0.55A 2.83W 81.114% 0.357
5.146V 3.489W 114.87V
4 1A 5.136W 81.345% 0.464
5.136V 6.314W 114.87V
5 1.5A 7.688W 80.194% 0.52
5.125V 9.587W 114.87V
6 3A 15.276W 78.229% 0.572
5.092V 19.528W 114.86V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.232W 59.136% 0.017
5.157V 0.392W 229.96V
2 0.09A 0.464W 67.428% 0.029
5.156V 0.688W 229.96V
3 0.55A 2.83W 79.829% 0.141
5.146V 3.545W 229.95V
4 1A 5.136W 80.154% 0.232
5.136V 6.408W 229.95V
5 1.5A 7.688W 80.306% 0.307
5.125V 9.573W 229.95V
6 3A 15.276W 79.343% 0.406
5.092V 19.253W 229.95V

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% 4.420A 1.959A 1.978A 0.975A 75.004 85.77% 657 9.4 40.44°C 0.966
12.080V 5.106V 3.336V 5.131V 87.449 43.82°C 114.85V
20% 9.856A 2.939A 2.971A 1.172A 149.943 89.317% 675 9.8 40.68°C 0.985
12.077V 5.104V 3.332V 5.121V 167.879 44.45°C 114.83V
30% 15.644A 3.43A 3.469A 1.37A 224.947 90.292% 744 11.9 41.3°C 0.989
12.074V 5.102V 3.33V 5.111V 249.133 46.59°C 114.8V
40% 21.440A 3.922A 3.967A 1.568A 300.035 90.621% 825 14.5 41.57°C 0.992
12.072V 5.101V 3.328V 5.101V 331.089 48.72°C 114.78V
50% 26.839A 4.904A 4.963A 1.768A 374.469 90.335% 957 18.5 42.25°C 0.994
12.070V 5.098V 3.325V 5.091V 414.532 50.79°C 114.74V
60% 32.280A 5.888A 5.962A 1.969A 449.379 89.971% 1072 22.1 42.67°C 0.995
12.068V 5.096V 3.322V 5.08V 499.465 52.19°C 114.72V
70% 37.724A 6.872A 6.962A 2.17A 524.29 89.401% 1256 26.8 43.34°C 0.995
12.066V 5.094V 3.319V 5.069V 586.451 54.01°C 114.69V
80% 43.236A 7.856A 7.962A 2.273A 599.475 88.745% 1408 30 43.88°C 0.996
12.063V 5.091V 3.315V 5.061V 675.506 55.11°C 114.66V
90% 49.085A 8.35A 8.451A 2.375A 674.516 88.022% 1516 32.2 44.8°C 0.996
12.061V 5.09V 3.313V 5.053V 766.311 57.08°C 114.64V
100% 54.733A 8.844A 8.971A 2.98A 749.733 87.169% 1642 34.5 45.05°C 0.997
12.059V 5.088V 3.31V 5.034V 860.089 59.19°C 114.6V
110% 60.250A 9.832A 10.066A 2.984A 824.74 86.566% 1706 35.7 46.02°C 0.997
12.058V 5.086V 3.308V 5.027V 952.698 59.74°C 114.59V
CL1 0.115A 14.189A 14.367A 0A 121.289 82.383% 1144 24 40.7°C 0.984
12.087V 5.088V 3.32V 5.133V 147.226 47.6°C 114.83V
CL2 0.114A 19.675A 0A 0A 101.387 81.431% 983 19.2 40.15°C 0.978
12.087V 5.082V 3.338V 5.144V 124.507 45.34°C 114.84V
CL3 0.114A 0A 19.905A 0A 67.379 75.454% 1033 21 41.97°C 0.968
12.083V 5.107V 3.316V 5.139V 89.299 44.76°C 114.85V
CL4 62.164A 0A 0A 0A 749.517 88.336% 1547 32.9 46.13°C 0.996
12.057V 5.102V 3.323V 5.114V 848.49 58.23°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% 4.420A 1.958A 1.978A 0.974A 74.998 86.878% 627 8.7 40.38°C 0.858
12.081V 5.107V 3.336V 5.131V 86.326 41.44°C 229.94V
20% 9.855A 2.939A 2.97A 1.172A 149.925 90.97% 670 9.7 40.78°C 0.94
12.078V 5.104V 3.333V 5.121V 164.806 42.41°C 229.93V
30% 15.642A 3.43A 3.468A 1.37A 224.923 92.27% 730 10.9 41.31°C 0.964
12.075V 5.103V 3.33V 5.111V 243.765 43.62°C 229.92V
40% 21.438A 3.921A 3.966A 1.568A 300.008 92.766% 831 14.7 41.98°C 0.974
12.073V 5.101V 3.328V 5.102V 323.405 45.16°C 229.91V
50% 26.833A 4.904A 4.962A 1.768A 374.393 92.683% 946 18.2 42.39°C 0.98
12.070V 5.099V 3.325V 5.091V 403.95 46.45°C 229.9V
60% 32.275A 5.887A 5.96A 1.968A 449.298 92.62% 1063 21.7 42.74°C 0.983
12.068V 5.097V 3.322V 5.081V 485.098 47.32°C 229.89V
70% 37.721A 6.871A 6.961A 2.17A 524.22 92.33% 1221 25.8 43.43°C 0.985
12.065V 5.095V 3.319V 5.07V 567.769 48.41°C 229.87V
80% 43.233A 7.855A 7.961A 2.272A 599.406 92.026% 1405 29.9 43.79°C 0.987
12.063V 5.092V 3.316V 5.062V 651.345 49.47°C 229.86V
90% 49.081A 8.348A 8.45A 2.374A 674.443 91.759% 1496 31.9 44.79°C 0.988
12.060V 5.09V 3.313V 5.054V 735.016 50.38°C 229.84V
100% 54.732A 8.842A 8.97A 2.979A 749.661 91.297% 1623 34.3 45.69°C 0.989
12.059V 5.088V 3.311V 5.035V 821.13 51.82°C 229.84V
110% 60.253A 9.83A 10.067A 2.983A 824.693 90.828% 1737 36.1 46.35°C 0.989
12.056V 5.086V 3.307V 5.028V 907.983 52.74°C 229.83V
CL1 0.115A 14.189A 14.366A 0A 121.283 83.853% 1133 23.7 40.69°C 0.929
12.086V 5.088V 3.32V 5.133V 144.64 44.94°C 229.94V
CL2 0.114A 19.674A 0A 0A 101.383 82.914% 980 19.1 40.59°C 0.911
12.087V 5.083V 3.339V 5.144V 122.274 43.65°C 229.95V
CL3 0.114A 0A 19.904A 0A 67.377 76.413% 980 19.1 40.36°C 0.862
12.082V 5.107V 3.316V 5.139V 88.175 42.49°C 229.95V
CL4 62.165A 0A 0A 0A 749.511 92.122% 1515 32.2 45.57°C 0.989
12.057V 5.102V 3.323V 5.114V 813.608 50.68°C 229.84V

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 1.230A 0.489A 0.494A 0.194A 20 70.882% 0 <6.0 43.19°C 0.858
12.077V 5.109V 3.339V 5.153V 28.214 36.08°C 114.87V
40W 2.706A 0.685A 0.692A 0.291A 40 80.816% 0 <6.0 44.51°C 0.929
12.077V 5.109V 3.339V 5.15V 49.494 37.48°C 114.86V
60W 4.184A 0.881A 0.89A 0.389A 60 84.449% 0 <6.0 45.53°C 0.956
12.078V 5.109V 3.338V 5.146V 71.05 38.14°C 114.85V
80W 5.656A 1.077A 1.087A 0.486A 79.946 87.081% 0 <6.0 47.87°C 0.969
12.078V 5.108V 3.338V 5.143V 91.807 39.44°C 114.85V

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 1.230A 0.489A 0.494A 0.194A 19.993 70.526% 0 <6.0 41.74°C 0.536
12.076V 5.109V 3.339V 5.153V 28.35 36.03°C 229.95V
40W 2.706A 0.685A 0.692A 0.291A 39.994 81.642% 0 <6.0 44.1°C 0.718
12.078V 5.109V 3.339V 5.15V 48.989 37.33°C 229.95V
60W 4.184A 0.881A 0.889A 0.389A 59.994 85.916% 0 <6.0 45.92°C 0.812
12.078V 5.109V 3.338V 5.147V 69.829 38.25°C 229.95V
80W 5.655A 1.077A 1.087A 0.486A 79.933 88.197% 0 <6.0 48.32°C 0.867
12.079V 5.108V 3.338V 5.143V 90.631 39.32°C 229.94V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load13.83mV10.82mV10.34mV6.92mVPass
20% Load13.89mV10.31mV10.19mV7.28mVPass
30% Load14.85mV11.02mV10.45mV7.49mVPass
40% Load15.79mV11.28mV11.12mV7.85mVPass
50% Load16.81mV11.03mV10.60mV7.79mVPass
60% Load16.70mV10.56mV9.93mV7.43mVPass
70% Load19.39mV12.62mV12.00mV8.98mVPass
80% Load20.21mV12.73mV12.88mV9.60mVPass
90% Load22.32mV13.70mV12.98mV9.55mVPass
100% Load33.05mV15.09mV14.82mV12.74mVPass
110% Load34.74mV15.54mV16.65mV12.75mVPass
Crossload121.20mV12.11mV13.04mV17.85mVPass
Crossload213.94mV11.85mV9.88mV15.33mVPass
Crossload313.44mV10.10mV12.62mV16.46mVPass
Crossload433.26mV14.04mV13.06mV20.46mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load13.03mV9.27mV9.88mV6.92mVPass
20% Load14.61mV10.66mV10.65mV7.49mVPass
30% Load15.28mV10.51mV10.55mV7.28mVPass
40% Load16.10mV10.51mV11.17mV8.00mVPass
50% Load15.90mV10.46mV10.34mV7.59mVPass
60% Load16.67mV11.18mV10.19mV7.69mVPass
70% Load17.94mV11.59mV10.08mV8.41mVPass
80% Load19.23mV12.05mV11.69mV8.05mVPass
90% Load20.73mV11.85mV11.63mV8.21mVPass
100% Load32.72mV12.42mV12.53mV10.48mVPass
110% Load33.97mV13.58mV12.95mV11.25mVPass
Crossload120.92mV13.46mV13.39mV17.78mVPass
Crossload214.37mV11.95mV9.62mV14.14mVPass
Crossload313.18mV9.79mV11.53mV15.28mVPass
Crossload432.81mV13.16mV11.03mV18.78mVPass

The results above are not used in the certification process

Lian Li EG0750G

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