CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Gigabyte P550B
Serial NumberSN20233G012792
Lab IDGB55001745
  • Report: 20PS1745A
  • Receipt Date: Sep 7, 2020
  • Test Date: Nov 5, 2020
  • Report Date: Nov 12, 2020
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandGigabyte
Manufacturer (OEM)MEIC
Series
Model NumberGP-P550B
Serial NumberSN20233G012792
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)8-4
Rated Frequency (Hz)50-60
Rated Power (W)550
TypeATX12V
Cooling120mm Rifle Bearing Fan
(BK BDH12025S)
Semi-Passive Operation✗
Cable DesignFixed cables

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps181543.530.3
Watts108522153.6
Total Max. Power (W)550

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

Native Cables
Description Cable Count Connector Count (Total) Gauge In Cable Caps
ATX connector 20+4 pin (560mm) 1 1 18-22AWG No
4+4 pin EPS12V (600mm) 1 1 18AWG No
6+2 pin PCIe (540mm+150mm) 1 2 18AWG No
SATA (510mm+120mm+120mm) 2 6 18AWG No
4-pin Molex (510mm+120mm+120mm) / FDD (+120mm) 1 3 / 1 18-22AWG No
Modular Cables
AC Power Cord (1400mm) - C13 coupler 1 1 18AWG -

Parts Description

General Data -
Manufacturer (OEM) MEIC
PCB Type Single Sided
Primary Side -
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection NTC Thermistor SCK-1R55 (1.5 Ohm)
Bridge Rectifier(s) 1x  GBU1006 (600V, 10A @ 100°C)
APFC MOSFETs 2x Jilin Sino-Microelectronics JCS18N50F (500V, 11A @ 100°C, Rds(on): 0.27Ohm)
APFC Boost Diode 1x STMicroelectronics STTH8S06D (600V, 8A)
Bulk Cap(s) 1x Teapo (400V, 330uF, 2,000h @ 85°C, LH)
Main Switchers 2x Jilin Sino-Microelectronics JCS18N50F (500V, 11A @ 100°C, Rds(on): 0.27Ohm)
PFC/PWM Combo Controller Champion CM6805BG
Topology Primary side: APFC, Double Forward
Secondary side: Passive Rectification & Group Regulation
Secondary Side -
+12V & 5V SBRs 4x Dyelec SBP30V60CT (60V, 30A)
3.3V SBR 1x Jinan Jingheng Electronics SE3045LCT (45V, 30A @ 90°C)
Filtering Capacitors Electrolytic: 4x Chn Cap (3-7,000h @ 105°C, TP), 1x Chn Cap (2-5,000h @ 105°C, TM), 5x YC (105°C, LE), 2x YC (105°C, TH)
Supervisor IC Weltrend WT7525 (OVP, UVP, OCP, SCP, PG)
Fan Model BK BDH12025S (120mm, 12V, 0.18A, Hydraulic Bearing Fan)
5VSB Circuit -
Standby PWM Controller PR6249H

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)16.2
AC Loss to PWR_OK Hold Up Time (ms)11.5
PWR_OK Inactive to DC Loss Delay (ms)4.7

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 0.231 66.571% 0.072
5.137V 0.347 115.16V
2 0.090A 0.462 73.333% 0.123
5.134V 0.630 115.16V
3 0.550A 2.816 80.365% 0.327
5.118V 3.504 115.16V
4 1.000A 5.104 80.429% 0.375
5.102V 6.346 115.16V
5 1.500A 7.629 80.229% 0.402
5.085V 9.509 115.16V
6 3.000A 15.100 78.344% 0.463
5.033V 19.274 115.14V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231 47.925% 0.031
5.138V 0.482 229.94V
2 0.090A 0.462 59.767% 0.049
5.135V 0.773 229.86V
3 0.550A 2.815 76.495% 0.227
5.117V 3.680 229.86V
4 1.000A 5.103 78.195% 0.312
5.102V 6.526 229.86V
5 1.500A 7.630 78.232% 0.390
5.085V 9.753 229.89V
6 3.000A 15.099 78.673% 0.384
5.033V 19.192 230.25V

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
1 2.748A 1.960A 1.988A 0.982A 54.966 77.695% 1303 34.1 36.17°C 0.830
12.140V 5.102V 3.321V 5.094V 70.746 38.39°C 115.31V
2 6.528A 2.951A 2.988A 1.182A 110.034 83.675% 1340 32.8 36.58°C 0.950
12.122V 5.084V 3.312V 5.078V 131.502 39.24°C 115.27V
3 10.674A 3.444A 3.496A 1.383A 165.033 85.389% 1553 38.0 36.73°C 0.984
12.083V 5.082V 3.305V 5.063V 193.272 40.35°C 115.19V
4 14.844A 3.939A 4.005A 1.585A 220.043 85.669% 1711 39.4 37.15°C 0.996
12.048V 5.078V 3.296V 5.048V 256.853 41.27°C 115.10V
5 18.659A 4.941A 5.021A 1.789A 275.044 85.413% 1833 42.3 37.88°C 0.993
12.034V 5.059V 3.287V 5.031V 322.018 42.68°C 115.06V
6 22.494A 5.957A 6.044A 1.995A 330.041 84.927% 2008 44.8 37.92°C 0.991
12.013V 5.038V 3.277V 5.014V 388.616 43.58°C 115.06V
7 26.346A 6.979A 7.071A 2.202A 385.119 84.221% 2129 45.2 38.41°C 0.990
11.994V 5.017V 3.268V 4.997V 457.273 44.78°C 114.93V
8 30.208A 8.003A 8.105A 2.410A 440.192 83.382% 2239 46.6 38.73°C 0.991
11.977V 4.996V 3.258V 4.980V 527.919 45.73°C 115.09V
9 34.515A 8.519A 8.617A 2.414A 494.756 82.495% 2350 48.5 39.51°C 0.992
11.944V 4.990V 3.249V 4.972V 599.737 47.36°C 115.07V
10 38.637A 9.032A 9.168A 3.038A 549.972 81.434% 2428 48.8 40.29°C 0.992
11.912V 4.984V 3.240V 4.940V 675.359 48.65°C 115.10V
11 43.489A 9.013A 9.191A 3.042A 605.194 80.304% 2434 48.9 40.91°C 0.992
11.853V 4.994V 3.232V 4.932V 753.625 49.79°C 115.09V
CL1 4.000A 13.003A 13.001A 0.001A 155.059 78.886% 1885 42.2 37.30°C 0.986
12.434V 4.816V 3.284V 5.094V 196.562 42.34°C 115.20V
CL2 43.524A 1.000A 1.002A 0.001A 512.010 82.401% 2388 48.2 40.24°C 0.993
11.568V 5.247V 3.266V 5.076V 621.364 48.78°C 115.10V

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
1 2.748A 1.961A 1.987A 0.982A 54.967 78.115% 1299 34.6 34.92°C 0.374
12.140V 5.102V 3.321V 5.094V 70.367 37.01°C 230.55V
2 6.528A 2.951A 2.992A 1.182A 110.039 84.382% 1325 34.5 35.27°C 0.526
12.121V 5.084V 3.312V 5.077V 130.406 37.77°C 230.68V
3 10.676A 3.445A 3.497A 1.383A 165.050 86.271% 1406 36.0 35.44°C 0.642
12.083V 5.080V 3.303V 5.062V 191.316 38.36°C 230.90V
4 14.846A 3.940A 4.005A 1.586A 220.055 86.965% 1708 39.3 36.71°C 0.749
12.047V 5.076V 3.296V 5.047V 253.038 40.12°C 230.89V
5 18.665A 4.946A 5.022A 1.790A 275.052 87.108% 1834 42.3 37.16°C 0.827
12.030V 5.056V 3.286V 5.030V 315.761 41.06°C 230.86V
6 22.496A 5.957A 6.045A 1.995A 330.048 86.970% 2008 44.8 38.25°C 0.890
12.013V 5.036V 3.276V 5.013V 379.497 42.65°C 230.77V
7 26.344A 6.980A 7.072A 2.202A 385.132 86.551% 2130 45.2 38.38°C 0.939
11.996V 5.016V 3.266V 4.996V 444.979 43.57°C 230.73V
8 30.192A 8.003A 8.109A 2.412A 440.190 86.038% 2173 45.9 39.14°C 0.965
11.984V 4.993V 3.256V 4.978V 511.625 44.85°C 230.62V
9 34.518A 8.520A 8.622A 2.415A 494.762 85.409% 2385 48.1 40.44°C 0.976
11.943V 4.989V 3.248V 4.970V 579.283 47.08°C 230.54V
10 38.641A 9.035A 9.171A 3.038A 549.991 84.640% 2427 48.8 40.77°C 0.981
11.912V 4.981V 3.238V 4.938V 649.802 48.68°C 230.55V
11 43.483A 9.016A 9.196A 3.043A 605.216 83.894% 2430 48.9 40.93°C 0.983
11.855V 4.993V 3.230V 4.931V 721.406 49.79°C 230.51V
CL1 4.000A 13.002A 13.002A 0.001A 154.992 79.428% 1865 42.1 37.03°C 0.644
12.434V 4.812V 3.283V 5.094V 195.134 41.17°C 230.70V
CL2 43.527A 1.001A 1.001A 1.000A 516.897 85.417% 2377 48.2 41.14°C 0.978
11.564V 5.244V 3.262V 5.037V 605.148 48.75°C 230.49V

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]) PF/AC Volts
1 1.227A 0.484A 0.496A 0.195A 19.992 64.561% 1105 29.0 0.571
12.103V 5.144V 3.328V 5.128V 30.966 115.32V
2 2.452A 0.974A 0.993A 0.391A 39.983 75.064% 1169 29.8 0.748
12.104V 5.134V 3.325V 5.119V 53.265 115.32V
3 3.681A 1.464A 1.491A 0.587A 60.013 79.413% 1401 36.1 0.846
12.106V 5.122V 3.322V 5.109V 75.571 115.31V
4 4.902A 1.958A 1.987A 0.785A 79.962 81.855% 1399 36.1 0.902
12.110V 5.109V 3.318V 5.098V 97.687 115.29V

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]) PF/AC Volts
1 1.227A 0.485A 0.496A 0.195A 19.993 64.596% 1150 31.1 0.216
12.098V 5.149V 3.329V 5.129V 30.951 230.41V
2 2.452A 0.974A 0.993A 0.391A 39.983 76.248% 1183 29.6 0.339
12.104V 5.134V 3.325V 5.119V 52.438 230.47V
3 3.681A 1.465A 1.489A 0.587A 60.014 80.466% 1382 34.9 0.401
12.107V 5.122V 3.322V 5.109V 74.583 230.53V
4 4.902A 1.957A 1.989A 0.785A 79.963 82.598% 1396 36.0 0.459
12.110V 5.109V 3.318V 5.098V 96.810 230.57V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load11.80mV10.00mV11.10mV13.10mVPass
20% Load12.80mV10.30mV10.40mV13.00mVPass
30% Load13.30mV8.70mV10.10mV13.30mVPass
40% Load14.00mV7.90mV11.40mV13.60mVPass
50% Load20.40mV9.90mV13.40mV17.70mVPass
60% Load26.70mV12.30mV16.30mV17.40mVPass
70% Load33.30mV14.10mV16.50mV20.30mVPass
80% Load40.00mV15.00mV22.50mV22.10mVPass
90% Load54.20mV17.60mV21.10mV25.00mVPass
100% Load79.20mV24.90mV22.60mV29.50mVPass
110% Load108.50mV33.50mV23.60mV33.30mVPass
Crossload119.20mV17.10mV27.10mV23.30mVPass
Crossload287.20mV22.90mV16.90mV24.60mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load13.00mV9.60mV12.80mV12.90mVPass
20% Load13.00mV9.50mV11.40mV13.10mVPass
30% Load13.60mV9.80mV10.70mV14.00mVPass
40% Load14.20mV8.70mV9.80mV14.00mVPass
50% Load16.00mV8.60mV10.50mV15.20mVPass
60% Load17.80mV9.10mV10.00mV14.80mVPass
70% Load21.40mV9.90mV10.50mV17.50mVPass
80% Load33.00mV12.40mV16.90mV23.00mVPass
90% Load48.60mV16.00mV16.70mV23.20mVPass
100% Load65.80mV21.20mV20.30mV30.40mVPass
110% Load82.50mV25.50mV22.40mV29.30mVPass
Crossload123.80mV17.00mV26.20mV23.80mVPass
Crossload270.10mV18.50mV14.90mV24.00mVPass

The results above are not used in the certification process

Gigabyte P550B

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