CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
SeaSonic Focus Plus Gold 550W
Serial NumberR1705AA135750743
Lab ID133
  • Report: 19PS133A
  • Receipt Date: Jun 21, 2018
  • Test Date: Jun 25, 2018
  • Report Date: Jun 29, 2018
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandSeasonic
Manufacturer (OEM)Seasonic
SeriesFOCUS Plus Gold
Model NumberSSR-550FX
Serial NumberR1705AA135750743
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 Fluid Dynamic Bearing Fan
(HA1225H12F-Z)
Semi-Passive Operation✓ (selectable)
Cable DesignFully Modular

Power Specifications

Rail 3.3V 5V 12V 5VSB -12V
Max. Power Amps 20 20 45 3 0.3
Watts 100 540 15 3.6
Total Max. Power (W) 550

Test Equipment

Electronic Loads Chroma 6314A x2
63123A x6
63102A
63101A		 Chroma 63601-5 x2
Chroma 63600-2
63640-80-80 x10
63610-80-20
AC Sources Chroma 6530, Chroma 61604
Power Analyzers N4L PPA1530, N4L PPA5530
Oscilloscopes Picoscope 4444 & 3424, Keysight DSOX3024A, Rigol DS2072A
Voltmeter Keithley 2015 THD 6.5 Digit
Sound Analyzer Bruel & Kjaer 2250-L G4
Microphone Bruel & Kjaer Type 4955-A, Bruel & Kjaer Type 4189
Data Loggers Picoscope TC-08 x2, Labjack U3-HV x2
Testing Methodology Cybenetics PSU Test Protocol

Cables and Connectors

Modular Cables
Description Cable Count Connector Count (Total) Gauge
ATX connector 20+4 pin (610mm) 1 1 18-22AWG
4+4 pin EPS12V (655mm) 1 1 18AWG
6+2 pin PCIe (680mm+80mm) 1 2 18AWG
SATA (460mm+115mm+115mm+115mm) 1 4 18AWG
SATA (460mm+120mm) 1 2 18AWG
4 pin Molex (460mm+120mm+120mm) 1 3 18AWG
FDD Adapter (+110mm) 1 1 22AWG

Parts Description

General Data
Manufacturer (OEM) Seasonic
Platform Model FX
Primary Side
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection NTC Thermistor & Diode
Bridge Rectifier(s) 2x GBU1506 (600V, 15A @ 100°C)
APFC MOSFETS 2x UTC GPT18N50DG (500V, 18A @ 100°C, 0.265Ohm)
APFC Boost Diode 1x STMicroelectronics STTH8S06D (600V, 8A @ 125°C)
Hold-up Cap(s) 1x Nippon Chemi-Con (400V, 560uF, 2000h @ 105°C, CE)
Main Switchers 4x UTC GBT10N50ADG
(500V, 10A @ 25°C, 0.61Ohm)
APFC Controller Champion CM6500UNX
Resonant Controller Champion CM6901T6X
Topology Primary side: Full-Bridge & LLC Resonant Controller
Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side
+12V MOSFETS 4x Nexperia PSMN2R6-40YS (40V, 100A @ 25°C, 2.8mOhm)
5V & 3.3V DC-DC Converters: 6x Infineon BSC0906NS (30V, 40A @ 100°C, 4.5mOhm)
PWM Controller: APW7159
Filtering Capacitors Electrolytics: Chemi-Con (1-5,000 @ 105°C, KZE), Chemi-Con (4-10,000 @ 105°C, KY), W
Polymers: Chemi-Con
Supervisor IC Weltrend WT7527V (OVP, UVP, OCP, SCP, PG)
Fan Model Hong Hua HA1225H12F-Z (120mm, 12V, 0.58A, 2200 RPM, Fluid Dynamic Bearing)
5VSB Circuit
Standby PWM Controller Excelliance EM8569

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)23.7
AC Loss to PWR_OK Hold Up Time (ms)19.5
PWR_OK Inactive to DC Loss Delay (ms)4.2

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 0.042A 0.214 67.722% 0.053
5.133V 0.316 115.15V
2 0.087A 0.448 73.203% 0.099
5.132V 0.612 115.16V
3 0.542A 2.776 77.133% 0.332
5.120V 3.599 115.16V
4 1.002A 5.121 76.915% 0.401
5.109V 6.658 115.16V
5 1.502A 7.655 77.276% 0.436
5.098V 9.906 115.16V
6 3.002A 15.168 75.152% 0.483
5.053V 20.183 115.16V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.042A 0.214 60.282% 0.018
5.133V 0.355 230.40V
2 0.087A 0.447 67.727% 0.033
5.131V 0.660 230.40V
3 0.542A 2.776 75.476% 0.162
5.120V 3.678 230.39V
4 1.002A 5.119 76.187% 0.245
5.109V 6.719 230.40V
5 1.502A 7.653 76.271% 0.299
5.096V 10.034 230.40V
6 3.002A 15.186 76.736% 0.371
5.059V 19.790 230.40V

Supplementary Tests (For Reference)

Typical Load Tests

Test # 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) Fan Noise (dB[A]) Temps (In/Out) PF/AC Volts
1 2.730A 1.994A 1.984A 0.980A 54.808 83.708% 0 | 6.0 45.00°C 0.939
12.165V 5.024V 3.318V 5.098V 65.475 38.78°C 115.19V
2 6.486A 2.982A 2.978A 1.178A 109.739 88.402% 0 | 6.0 46.60°C 0.975
12.164V 5.021V 3.318V 5.085V 124.136 39.53°C 115.20V
3 10.588A 3.488A 3.492A 1.379A 164.875 89.589% 0 | 6.0 47.93°C 0.984
12.164V 5.019V 3.317V 5.071V 184.034 40.10°C 115.18V
4 14.685A 3.986A 3.975A 1.580A 219.771 89.716% 700 14.6 41.30°C 0.988
12.162V 5.017V 3.316V 5.059V 244.963 50.56°C 115.18V
5 18.438A 4.981A 4.973A 1.780A 274.687 89.479% 550 10.4 41.47°C 0.990
12.162V 5.014V 3.316V 5.044V 306.985 50.75°C 115.18V
6 22.196A 5.987A 5.967A 1.986A 329.709 88.901% 560 10.5 41.98°C 0.990
12.161V 5.012V 3.316V 5.030V 370.872 52.26°C 115.18V
7 25.952A 6.990A 6.964A 2.190A 384.664 88.226% 880 20.6 43.32°C 0.990
12.160V 5.009V 3.316V 5.015V 435.998 53.00°C 115.17V
8 29.705A 7.991A 7.961A 2.399A 439.578 87.505% 1325 31.4 43.51°C 0.991
12.159V 5.007V 3.315V 4.999V 502.349 52.32°C 115.17V
9 33.891A 8.489A 8.474A 2.400A 494.604 86.656% 1880 40.2 44.10°C 0.992
12.158V 5.005V 3.315V 4.991V 570.765 51.76°C 115.17V
10 37.824A 9.004A 8.961A 3.015A 549.515 85.704% 2310 45.1 44.97°C 0.992
12.156V 5.003V 3.314V 4.969V 641.178 52.00°C 115.16V
11 42.344A 9.006A 8.962A 3.020A 604.455 84.852% 2320 45.2 46.06°C 0.992
12.156V 5.002V 3.313V 4.961V 712.362 53.42°C 115.16V
CL1 0.098A 12.012A 12.003A 0.004A 101.375 85.128% 720 14.9 45.85°C 0.973
12.165V 5.011V 3.330V 5.096V 119.086 48.74°C 115.20V
CL2 44.966A 1.004A 1.003A 1.002A 559.997 86.334% 2320 45.2 45.17°C 0.992
12.156V 5.009V 3.306V 5.036V 648.643 52.51°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
1 2.730A 1.995A 1.989A 0.981A 54.838 84.975% 0 <6.0 53.92°C 0.702
12.171V 5.022V 3.314V 5.099V 64.534 39.59°C 230.24V
2 6.486A 2.980A 2.986A 1.176A 109.762 89.871% 0 <6.0 54.56°C 0.854
12.169V 5.020V 3.312V 5.089V 122.133 39.57°C 230.24V
3 10.586A 3.488A 3.502A 1.376A 164.894 91.180% 0 <6.0 41.34°C 0.912
12.168V 5.019V 3.310V 5.076V 180.844 52.37°C 230.25V
4 14.681A 3.986A 3.988A 1.576A 219.800 91.689% 440 10.5 40.86°C 0.936
12.167V 5.018V 3.308V 5.065V 239.723 56.92°C 230.25V
5 18.435A 4.979A 4.989A 1.781A 274.760 91.708% 560 10.5 40.88°C 0.952
12.166V 5.017V 3.307V 5.054V 299.602 57.13°C 230.25V
6 22.196A 5.985A 5.989A 1.981A 329.777 91.487% 560 10.5 41.13°C 0.961
12.164V 5.014V 3.304V 5.042V 360.464 57.83°C 230.25V
7 25.950A 6.991A 6.991A 2.186A 384.722 91.166% 755 16.1 41.15°C 0.967
12.162V 5.012V 3.302V 5.030V 422.001 58.42°C 230.25V
8 29.705A 7.987A 8.000A 2.391A 439.623 90.763% 1120 27.7 41.81°C 0.972
12.160V 5.010V 3.300V 5.017V 484.362 57.31°C 230.25V
9 33.892A 8.484A 8.516A 2.394A 494.677 90.421% 1695 37.7 41.31°C 0.975
12.159V 5.009V 3.299V 5.010V 547.081 55.64°C 230.26V
10 37.834A 8.993A 9.009A 3.006A 549.701 89.924% 1935 42.1 42.16°C 0.978
12.158V 5.007V 3.296V 4.988V 611.298 54.03°C 230.24V
11 42.349A 8.992A 9.010A 3.008A 604.519 89.461% 2320 45.2 42.54°C 0.980
12.157V 5.005V 3.295V 4.983V 675.738 54.53°C 230.24V
CL1 0.101A 12.013A 12.004A 0.005A 101.222 86.540% 0 <6.0 46.19°C 0.846
12.170V 5.015V 3.309V 5.109V 116.965 41.29°C 230.26V
CL2 44.982A 1.003A 1.001A 1.002A 560.286 90.576% 1990 42.8 39.66°C 0.978
12.158V 5.011V 3.302V 5.053V 618.578 52.32°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) Fan Noise (dB[A]) PF/AC Volts
1 1.199A 0.493A 0.480A 0.195A 19.663 70.646% 0 | 6.0 0.776
12.166V 5.033V 3.321V 5.125V 27.833 115.19V
2 2.422A 0.992A 0.992A 0.391A 39.740 81.049% 0 | 6.0 0.907
12.165V 5.026V 3.317V 5.117V 49.032 115.19V
3 3.652A 1.488A 1.504A 0.585A 59.883 85.108% 0 | 6.0 0.948
12.165V 5.025V 3.318V 5.109V 70.361 115.19V
4 4.864A 1.994A 1.988A 0.781A 79.767 87.060% 0 | 6.0 0.963
12.165V 5.024V 3.318V 5.099V 91.623 115.19V

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 1.203A 0.490A 0.480A 0.196A 19.705 73.799% 0 <6.0 0.486
12.172V 5.030V 3.318V 5.126V 26.701 230.22V
2 2.424A 0.990A 0.994A 0.391A 39.773 82.721% 0 <6.0 0.607
12.172V 5.023V 3.314V 5.118V 48.081 230.24V
3 3.652A 1.487A 1.506A 0.586A 59.904 86.535% 0 <6.0 0.721
12.171V 5.023V 3.314V 5.111V 69.225 230.23V
4 4.866A 1.994A 1.989A 0.781A 79.812 88.480% 0 <6.0 0.789
12.171V 5.022V 3.313V 5.102V 90.203 230.24V

The results above are not used in the certification process

Ripple Measurements

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 8.7 mV 5.5 mV 6.9 mV 5.8 mV Pass
20% Load 11.9 mV 6.8 mV 9.3 mV 6.3 mV Pass
30% Load 13.8 mV 7.4 mV 9.6 mV 5.9 mV Pass
40% Load 15.8 mV 7.3 mV 11.3 mV 5.6 mV Pass
50% Load 17.2 mV 8.0 mV 9.7 mV 7.0 mV Pass
60% Load 19.1 mV 9.5 mV 8.2 mV 6.0 mV Pass
70% Load 20.5 mV 9.5 mV 8.2 mV 6.6 mV Pass
80% Load 21.8 mV 10.9 mV 9.2 mV 7.7 mV Pass
90% Load 23.6 mV 11.9 mV 9.7 mV 8.3 mV Pass
100% Load 24.8 mV 12.5 mV 12.3 mV 9.3 mV Pass
110% Load 26.3 mV 14.6 mV 12.4 mV 9.3 mV Pass
Crossload 1 13.2 mV 10.9 mV 9.8 mV 8.0 mV Pass
Crossload 2 24.4 mV 10.4 mV 11.6 mV 8.6 mV Pass

The results above are not used in the certification process

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 7.4 mV 5.1 mV 7.4 mV 5.4 mV Pass
20% Load 10.8 mV 5.7 mV 8.0 mV 5.3 mV Pass
30% Load 13.4 mV 5.9 mV 7.8 mV 5.6 mV Pass
40% Load 14.9 mV 6.5 mV 8.9 mV 5.7 mV Pass
50% Load 16.0 mV 7.2 mV 8.8 mV 6.0 mV Pass
60% Load 17.4 mV 8.1 mV 8.6 mV 6.0 mV Pass
70% Load 18.8 mV 9.4 mV 8.6 mV 6.1 mV Pass
80% Load 19.8 mV 9.3 mV 9.3 mV 6.3 mV Pass
90% Load 20.8 mV 10.6 mV 10.2 mV 6.8 mV Pass
100% Load 22.9 mV 13.5 mV 13.5 mV 8.0 mV Pass
110% Load 23.9 mV 14.6 mV 14.7 mV 7.9 mV Pass
Crossload 1 11.1 mV 10.0 mV 9.9 mV 7.2 mV Pass
Crossload 2 22.8 mV 9.3 mV 13.4 mV 7.2 mV Pass

The results above are not used in the certification process

SeaSonic Focus Plus Gold 550W

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