CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Gigabyte P850GM (#2)
Serial Number21103G012163
Lab IDGB85001915
  • Report: 21PS1915A
  • Receipt Date: Sep 7, 2021
  • Test Date: Oct 4, 2021
  • Report Date: Oct 7, 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
Series
Model NumberGP-P850GM
Serial Number21103G012163
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
(D12SH-12)
Semi-Passive Operation✓
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202070.830.3
Watts105849.6153.6
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+110mm+110mm) / FDD (+150mm) 1 3 / 1 18AWG No
AC Power Cord (1380mm) - C13 coupler 1 1 18AWG -

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 5D-15 (5 Ohm) & Relay
Bridge Rectifier(s) 2x  GBU1006 (600V, 10A @ 100°C)
APFC MOSFETs 2x NCE Power NCE65T180F (650V, 13.2A @ 100°C, Rds(on): 0.18Ohm)
APFC Boost Diode 1x CREE C3D08060A (600V, 8A @ 152°C)
Bulk Cap(s) 1x Nippon Chemi-Con (400V, 820uF, 2,000h @ 105°C, KMW)
Main Switchers 2x NCE Power NCE65T180F (650V, 13.2A @ 100°C, Rds(on): 0.18Ohm)
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 4x Nexperia PSMN1R4-40YLD (40V, 214A @ 100°C, Rds(on): 2.65mOhm)
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), 1x Lelon (4-10,000h @ 105°C, RZW), 3x Lelon (2-5,000h @ 105°C, RXK)
Polymer: 10x Lelon, 4x no info
Supervisor IC Grenergy GR8313 (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✓

Performance Summary

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)15.1
AC Loss to PWR_OK Hold Up Time (ms)15.8
PWR_OK Inactive to DC Loss Delay (ms)-0.7

Vampire Power

Graphs

INFO

This graph is generated by the PPA Standby Power Analysis software which takes full control of the power analyzer during the whole procedure. This application features all of the EN50564 & IEC62301 test limits for standby power software testing

INFO

This graph is generated by the PPA Standby Power Analysis software which takes full control of the power analyzer during the whole procedure. This application features all of the EN50564 & IEC62301 test limits for standby power software testing

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 0.228W 65.681% 0.05
5.069V 0.347W 115.17V
2 0.09A 0.456W 72.58% 0.089
5.068V 0.628W 115.17V
3 0.55A 2.775W 80.658% 0.314
5.045V 3.44W 115.17V
4 1A 4.928W 79.422% 0.392
4.927V 6.205W 115.17V
5 1.5A 7.499W 80.723% 0.433
4.998V 9.29W 115.16V
6 3A 14.911W 78.891% 0.464
4.97V 18.901W 115.16V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.228W 50.367% 0.02
5.066V 0.453W 230.35V
2 0.09A 0.456W 62.199% 0.032
5.068V 0.733W 230.35V
3 0.55A 2.783W 77.361% 0.143
5.06V 3.597W 230.35V
4 1A 5.052W 79.099% 0.221
5.051V 6.387W 230.35V
5 1.5A 7.562W 80.033% 0.279
5.04V 9.449W 230.35V
6 3A 15.016W 80.882% 0.364
5.005V 18.566W 230.35V

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 1.953A 1.943A 0.992A 85.006 88.094% 0 <6.0 45.05°C 0.968
12.120V 5.121V 3.397V 5.043V 96.495 39.94°C 115.18V
20% 11.472A 2.934A 2.922A 1.192A 169.965 91.164% 0 <6.0 46.52°C 0.982
12.121V 5.114V 3.388V 5.034V 186.438 40.86°C 115.18V
30% 18.081A 3.429A 3.416A 1.393A 254.975 91.749% 960 24.7 41.5°C 0.987
12.108V 5.105V 3.381V 5.026V 277.905 47.58°C 115.17V
40% 24.699A 3.925A 3.914A 1.595A 340.064 91.779% 963 24.7 41.98°C 0.988
12.100V 5.097V 3.373V 5.017V 370.525 48.8°C 115.17V
50% 30.970A 4.914A 4.906A 1.798A 425.088 91.333% 968 24.9 42.84°C 0.989
12.095V 5.088V 3.363V 5.008V 465.428 50.07°C 115.16V
60% 37.200A 5.907A 5.905A 2A 509.623 90.755% 986 25.6 43.06°C 0.99
12.092V 5.08V 3.354V 4.999V 561.537 50.85°C 115.16V
70% 43.506A 6.903A 6.908A 2.205A 594.889 89.903% 1471 37.2 43.67°C 0.991
12.085V 5.071V 3.344V 4.99V 661.698 51.95°C 115.16V
80% 49.830A 7.903A 7.915A 2.309A 679.766 89.029% 1785 42.5 44.15°C 0.991
12.078V 5.063V 3.335V 4.982V 763.536 52.91°C 115.15V
90% 56.559A 8.411A 8.415A 2.412A 765.229 88.209% 2090 47.2 44.83°C 0.992
12.071V 5.054V 3.327V 4.975V 867.516 54.5°C 115.15V
100% 63.017A 8.922A 8.952A 3.026A 850.052 87.206% 2094 47.2 45.64°C 0.993
12.065V 5.045V 3.318V 4.958V 974.762 55.81°C 115.15V
110% 69.326A 9.931A 10.068A 3.029A 934.663 85.82% 2097 47.2 46.98°C 0.994
12.064V 5.036V 3.307V 4.953V 1089.099 57.82°C 115.15V
CL1 0.115A 12.342A 12.358A 0A 106.315 85.465% 211 <6.0 42.37°C 0.978
12.138V 5.121V 3.374V 5.045V 124.397 49.8°C 115.19V
CL2 0.115A 19.502A 0A 0A 101.401 83.187% 992 25.5 43.33°C 0.977
12.150V 5.128V 3.377V 5.055V 121.898 51.78°C 115.19V
CL3 0.115A 0A 19.61A 0A 67.397 79.713% 0 <6.0 54.19°C 0.967
12.151V 5.108V 3.366V 5.042V 84.55 44.64°C 115.19V
CL4 70.353A 0A 0A 0.001A 849.752 87.799% 2089 47.2 45.74°C 0.993
12.079V 5.047V 3.326V 5.023V 967.84 56.08°C 115.14V

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% 5.226A 1.952A 1.943A 0.992A 85.005 89.286% 0 <6.0 45.17°C 0.874
12.131V 5.124V 3.397V 5.042V 95.205 40.03°C 230.39V
20% 11.462A 2.933A 2.923A 1.192A 169.966 92.576% 0 <6.0 46.56°C 0.937
12.132V 5.116V 3.387V 5.033V 183.596 40.93°C 230.39V
30% 18.067A 3.427A 3.417A 1.393A 254.974 93.397% 965 24.8 41.25°C 0.96
12.117V 5.108V 3.38V 5.025V 273.001 47.52°C 230.39V
40% 24.690A 3.924A 3.915A 1.595A 340.067 93.562% 967 24.8 41.45°C 0.97
12.105V 5.099V 3.372V 5.016V 363.468 48.33°C 230.39V
50% 30.966A 4.913A 4.908A 1.798A 425.103 93.326% 970 24.9 42.38°C 0.975
12.097V 5.09V 3.362V 5.007V 455.503 49.49°C 230.39V
60% 37.199A 5.906A 5.907A 2A 509.635 92.955% 990 25.4 42.8°C 0.979
12.092V 5.081V 3.353V 4.998V 548.259 50.45°C 230.4V
70% 43.504A 6.902A 6.911A 2.206A 594.983 92.312% 1540 38.7 43.25°C 0.982
12.088V 5.072V 3.343V 4.988V 644.538 51.33°C 230.4V
80% 49.831A 7.902A 7.919A 2.309A 679.826 91.718% 1901 44.4 43.53°C 0.984
12.079V 5.064V 3.334V 4.98V 741.214 52.28°C 230.4V
90% 56.563A 8.41A 8.421A 2.413A 765.259 91.147% 2099 47.2 44.28°C 0.985
12.070V 5.055V 3.325V 4.973V 839.586 53.5°C 230.4V
100% 63.005A 8.923A 8.959A 3.027A 850.149 90.486% 2100 47.2 45.65°C 0.986
12.069V 5.045V 3.315V 4.957V 939.533 55.65°C 230.41V
110% 69.318A 9.931A 10.076A 3.031A 934.717 89.674% 2104 47.2 47.2°C 0.987
12.066V 5.036V 3.305V 4.951V 1042.356 58.11°C 230.41V
CL1 0.116A 12.336A 12.353A 0A 106.322 86.164% 295 <6.0 49.83°C 0.904
12.137V 5.124V 3.376V 5.045V 123.397 42.81°C 230.42V
CL2 0.115A 19.502A 0A 0A 101.404 84.117% 228 <6.0 51.72°C 0.901
12.151V 5.128V 3.377V 5.054V 120.552 43.76°C 230.41V
CL3 0.115A 0A 19.564A 0A 67.399 80.495% 0 <6.0 53.27°C 0.857
12.152V 5.106V 3.373V 5.042V 83.732 44.99°C 230.4V
CL4 70.389A 0A 0A 0.001A 849.921 91.123% 2103 47.2 45.93°C 0.986
12.075V 5.045V 3.332V 5.023V 932.723 56.15°C 230.4V

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 0.488A 0.485A 0.198A 20.006 70.781% 0 <6.0 40.2°C 0.894
12.132V 5.126V 3.405V 5.063V 28.265 36.92°C 115.19V
40W 2.699A 0.683A 0.679A 0.297A 40.004 82.059% 0 <6.0 41.16°C 0.937
12.114V 5.124V 3.403V 5.06V 48.75 37.41°C 115.19V
60W 4.171A 0.879A 0.873A 0.396A 60.002 86.084% 0 <6.0 42.25°C 0.956
12.115V 5.122V 3.401V 5.057V 69.702 38.19°C 115.18V
80W 5.641A 1.074A 1.067A 0.495A 79.964 88.406% 0 <6.0 44.19°C 0.968
12.114V 5.121V 3.401V 5.054V 90.451 39.64°C 115.18V

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 0.487A 0.485A 0.198A 20.005 72.017% 0 <6.0 40.29°C 0.618
12.162V 5.13V 3.403V 5.061V 27.779 37.09°C 230.39V
40W 2.692A 0.683A 0.679A 0.297A 40.004 83.33% 0 <6.0 41.35°C 0.756
12.143V 5.128V 3.401V 5.058V 48.007 37.57°C 230.39V
60W 4.163A 0.878A 0.874A 0.396A 60.004 87.275% 0 <6.0 42.52°C 0.826
12.139V 5.126V 3.399V 5.055V 68.753 38.38°C 230.39V
80W 5.630A 1.074A 1.068A 0.495A 79.969 89.506% 0 <6.0 44.15°C 0.866
12.136V 5.125V 3.399V 5.052V 89.344 39.4°C 230.39V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load5.98mV7.62mV5.63mV16.72mVPass
20% Load24.12mV9.31mV6.91mV17.54mVPass
30% Load13.60mV10.33mV7.32mV18.10mVPass
40% Load12.17mV13.25mV7.93mV18.35mVPass
50% Load12.00mV10.94mV9.57mV19.17mVPass
60% Load12.82mV13.81mV11.00mV18.51mVPass
70% Load13.94mV14.17mV12.64mV18.66mVPass
80% Load14.86mV15.24mV18.53mV19.37mVPass
90% Load15.53mV15.80mV18.73mV20.39mVPass
100% Load23.25mV18.35mV21.40mV25.20mVPass
110% Load23.97mV19.86mV22.43mV25.63mVPass
Crossload19.01mV18.23mV23.87mV17.43mVPass
Crossload214.96mV11.76mV28.66mV16.88mVPass
Crossload35.41mV14.98mV16.58mV16.72mVPass
Crossload422.13mV12.21mV7.24mV21.73mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load5.72mV8.28mV5.84mV16.46mVPass
20% Load23.62mV9.05mV6.04mV16.36mVPass
30% Load14.17mV9.77mV7.37mV18.00mVPass
40% Load12.07mV11.76mV7.93mV17.84mVPass
50% Load11.20mV10.79mV9.31mV17.69mVPass
60% Load12.36mV12.89mV11.11mV18.25mVPass
70% Load12.72mV13.55mV12.08mV18.71mVPass
80% Load13.08mV15.44mV17.50mV18.51mVPass
90% Load15.02mV15.85mV18.73mV19.32mVPass
100% Load23.02mV16.76mV21.15mV23.55mVPass
110% Load23.00mV18.13mV21.86mV24.20mVPass
Crossload121.22mV16.53mV21.86mV17.41mVPass
Crossload219.31mV11.61mV28.30mV16.62mVPass
Crossload36.23mV26.49mV16.53mV16.72mVPass
Crossload422.17mV11.64mV7.27mV21.56mVPass

The results above are not used in the certification process

Gigabyte P850GM (#2)

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