CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
SilverStone SFX 300W
Serial Number162991300BR31F02001073
Lab ID403
  • Report:
  • Receipt Date: Jul 30, 2018
  • Test Date: Aug 3, 2018
  • Report Date: Aug 6, 2018
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandSilverStone
Manufacturer (OEM)Sirfa
SeriesSFX
Model NumberST30SF
Serial Number162991300BR31F02001073
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)5.5
Rated Frequency (Hz)50-60
Rated Power (W)300
TypeSFX
Cooling92mm Duro Bearing Fan
(RL4Z S0921512M)
Semi-Passive Operation✗
Cable DesignFixed cables

Power Specifications

Rail 3.3V 5V 12V 5VSB -12V
Max. Power Amps 16 16 25 3 0.3
Watts 90 300 15 3.6
Total Max. Power (W) 300

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

Captive Cables
Description Cable Count Connector Count (Total) Gauge In Cable Capacitors
ATX connector 20+4 pin (300mm) 1 1 20-22AWG No
4+4 pin EPS12V (400mm) 1 1 20AWG No
6+2 pin PCIe (400mm) 1 1 20AWG No
SATA (300mm+200mm+100mm) 1 3 20AWG No
4 pin Molex (300mm+200mm) / FDD(+200mm) 1 2 / 1 20-22AWG No
AC Power Cord (1400mm) - C13 coupler 1 1 18AWG -

Test Results

Temperature & Compliance Info

Temperature Range (°C /°F)30-32 / 86-89.6
ErP Lot 3/6 ReadyErP Lot 6 2010: ✓
ErP Lot 6 2013: ✓
ErP Lot 3 2014 & CEC: Partially
(EU) No 617/2013 Compliance✓

Performance Summary

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)14.3
AC Loss to PWR_OK Hold Up Time (ms)13.2
PWR_OK Inactive to DC Loss Delay (ms)1.1

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 0.217 68.239% 0.054
5.172V 0.318 115.09V
2 0.087A 0.452 73.616% 0.099
5.172V 0.614 115.09V
3 0.542A 2.798 78.353% 0.307
5.159V 3.571 115.26V
4 1.002A 5.157 78.529% 0.359
5.145V 6.567 115.29V
5 1.502A 7.705 78.390% 0.386
5.130V 9.829 115.10V
6 3.001A 15.259 75.454% 0.425
5.084V 20.223 115.30V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.042A 0.217 55.076% 0.020
5.173V 0.394 230.23V
2 0.088A 0.453 64.255% 0.036
5.172V 0.705 230.23V
3 0.543A 2.799 74.640% 0.162
5.159V 3.750 230.23V
4 1.002A 5.158 76.460% 0.236
5.146V 6.746 230.23V
5 1.502A 7.706 76.945% 0.282
5.131V 10.015 230.23V
6 3.001A 15.265 75.659% 0.345
5.086V 20.176 230.23V

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 0.669A 1.985A 1.963A 0.971A 29.736 74.012% 795 7.1 40.18°C 0.943
12.183V 5.045V 3.355V 5.134V 40.177 49.43°C 115.14V
2 2.376A 2.971A 2.953A 1.171A 59.771 81.547% 795 7.1 40.87°C 0.962
12.172V 5.037V 3.349V 5.121V 73.296 50.52°C 115.15V
3 4.424A 3.478A 3.464A 1.366A 89.871 84.197% 830 7.2 41.08°C 0.970
12.163V 5.031V 3.344V 5.110V 106.739 52.02°C 115.15V
4 6.468A 3.979A 3.950A 1.565A 119.765 85.135% 955 8.2 41.66°C 0.976
12.152V 5.025V 3.340V 5.098V 140.676 52.86°C 115.15V
5 8.177A 4.981A 4.943A 1.765A 149.752 85.349% 1205 12.9 42.14°C 0.982
12.143V 5.018V 3.335V 5.087V 175.459 53.77°C 115.16V
6 9.892A 5.986A 5.948A 1.969A 179.803 85.252% 1380 17.3 42.67°C 0.986
12.133V 5.010V 3.329V 5.075V 210.907 54.63°C 115.15V
7 11.605A 7.003A 6.952A 2.170A 209.801 84.988% 1560 23.2 43.09°C 0.989
12.123V 5.003V 3.321V 5.064V 246.861 55.63°C 115.15V
8 13.324A 8.012A 7.961A 2.374A 239.777 84.668% 1845 27.5 43.99°C 0.993
12.112V 4.994V 3.315V 5.052V 283.198 56.89°C 115.14V
9 15.475A 8.522A 8.485A 2.375A 269.882 84.121% 2110 31.4 44.55°C 0.994
12.103V 4.988V 3.311V 5.047V 320.827 57.72°C 115.13V
10 17.372A 9.040A 8.984A 2.984A 299.789 83.220% 2290 33.9 45.14°C 0.992
12.093V 4.981V 3.305V 5.023V 360.237 58.77°C 115.12V
11 19.869A 9.051A 8.999A 2.986A 329.801 82.511% 2370 34.2 46.10°C 0.990
12.083V 4.977V 3.300V 5.017V 399.706 60.31°C 115.11V
CL1 0.100A 11.018A 11.005A 0.005A 93.022 80.350% 1085 9.8 42.18°C 0.972
12.156V 5.002V 3.332V 5.136V 115.771 53.38°C 115.18V
CL2 24.982A 1.003A 1.003A 1.002A 315.630 84.685% 2265 34.0 45.13°C 0.991
12.095V 5.015V 3.325V 5.098V 372.709 58.90°C 115.11V

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 0.670A 1.985A 1.965A 0.971A 29.756 75.016% 795 7.1 40.11°C 0.677
12.184V 5.045V 3.355V 5.134V 39.666 48.58°C 230.37V
2 2.380A 2.970A 2.954A 1.171A 59.822 82.969% 795 7.1 40.78°C 0.847
12.174V 5.036V 3.349V 5.123V 72.102 49.98°C 230.34V
3 4.424A 3.478A 3.465A 1.366A 89.885 85.794% 820 7.2 41.11°C 0.905
12.165V 5.031V 3.344V 5.111V 104.768 51.51°C 230.40V
4 6.474A 3.984A 3.950A 1.565A 119.880 86.971% 910 7.7 41.76°C 0.926
12.155V 5.025V 3.339V 5.099V 137.839 52.89°C 230.37V
5 8.179A 4.980A 4.945A 1.766A 149.793 87.236% 1103 10.2 42.23°C 0.939
12.145V 5.018V 3.334V 5.087V 171.710 53.59°C 230.29V
6 9.891A 5.986A 5.947A 1.968A 179.797 87.245% 1320 16.0 42.78°C 0.948
12.135V 5.010V 3.328V 5.076V 206.082 54.63°C 230.34V
7 11.606A 7.003A 6.951A 2.171A 209.828 87.063% 1550 23.1 43.25°C 0.954
12.124V 5.003V 3.321V 5.065V 241.006 55.79°C 230.28V
8 13.325A 8.011A 7.960A 2.373A 239.796 86.762% 1860 27.7 43.97°C 0.959
12.114V 4.993V 3.315V 5.053V 276.384 56.85°C 230.27V
9 15.478A 8.522A 8.487A 2.375A 269.934 86.563% 2000 29.5 44.56°C 0.963
12.104V 4.988V 3.310V 5.048V 311.837 57.85°C 230.28V
10 17.372A 9.042A 8.984A 2.984A 299.822 86.037% 2290 33.9 45.42°C 0.967
12.094V 4.981V 3.305V 5.025V 348.481 59.05°C 230.28V
11 19.869A 9.052A 8.999A 2.985A 329.807 85.782% 2390 35.0 46.19°C 0.971
12.083V 4.977V 3.300V 5.019V 384.473 60.71°C 230.28V
CL1 0.100A 11.018A 11.003A 0.005A 93.016 81.949% 1060 9.6 42.26°C 0.912
12.157V 5.002V 3.332V 5.136V 113.505 54.20°C 230.26V
CL2 24.982A 1.002A 1.004A 1.002A 315.629 87.658% 2180 32.7 45.50°C 0.968
12.095V 5.014V 3.325V 5.099V 360.069 59.00°C 230.28V

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 1.199A 0.492A 0.473A 0.191A 19.674 69.512% 793 7.1 0.916
12.187V 5.054V 3.360V 5.161V 28.303 115.14V
2 2.421A 0.989A 0.981A 0.386A 39.763 79.033% 793 7.1 0.952
12.181V 5.049V 3.356V 5.151V 50.312 115.14V
3 3.648A 1.477A 1.488A 0.580A 59.835 82.734% 793 7.1 0.962
12.174V 5.044V 3.354V 5.143V 72.322 115.20V
4 4.862A 1.986A 1.970A 0.775A 79.742 84.420% 798 7.1 0.968
12.167V 5.039V 3.350V 5.134V 94.459 115.22V

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 1.199A 0.493A 0.474A 0.191A 19.683 70.991% 793 7.1 0.483
12.188V 5.053V 3.360V 5.162V 27.726 230.32V
2 2.424A 0.990A 0.981A 0.386A 39.810 80.353% 793 7.1 0.742
12.182V 5.049V 3.356V 5.152V 49.544 230.32V
3 3.650A 1.475A 1.490A 0.581A 59.863 84.195% 793 7.1 0.843
12.175V 5.044V 3.353V 5.144V 71.100 230.32V
4 4.866A 1.985A 1.970A 0.776A 79.809 85.591% 790 7.1 0.893
12.171V 5.039V 3.348V 5.138V 93.245 230.32V

The results above are not used in the certification process

Ripple Measurements

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 11.2 mV 9.9 mV 14.8 mV 6.9 mV Pass
20% Load 15.0 mV 11.8 mV 15.6 mV 8.7 mV Pass
30% Load 15.6 mV 13.1 mV 16.8 mV 10.1 mV Pass
40% Load 17.1 mV 14.6 mV 17.3 mV 11.0 mV Pass
50% Load 19.9 mV 17.6 mV 18.3 mV 12.7 mV Pass
60% Load 21.9 mV 18.7 mV 20.6 mV 14.7 mV Pass
70% Load 24.7 mV 21.7 mV 22.6 mV 18.1 mV Pass
80% Load 27.2 mV 23.6 mV 22.1 mV 19.9 mV Pass
90% Load 30.9 mV 25.3 mV 24.2 mV 22.0 mV Pass
100% Load 34.5 mV 27.2 mV 27.1 mV 28.0 mV Pass
110% Load 39.6 mV 28.3 mV 28.2 mV 27.0 mV Pass
Crossload 1 17.4 mV 24.9 mV 26.6 mV 23.8 mV Pass
Crossload 2 35.6 mV 16.4 mV 22.6 mV 13.6 mV Pass

The results above are not used in the certification process

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 12.4 mV 10.8 mV 16.3 mV 7.2 mV Pass
20% Load 14.1 mV 11.7 mV 17.2 mV 9.1 mV Pass
30% Load 16.0 mV 13.3 mV 18.2 mV 10.0 mV Pass
40% Load 18.4 mV 14.7 mV 18.6 mV 11.3 mV Pass
50% Load 19.3 mV 16.7 mV 19.8 mV 12.3 mV Pass
60% Load 21.9 mV 18.9 mV 22.4 mV 14.9 mV Pass
70% Load 24.4 mV 21.0 mV 24.2 mV 16.8 mV Pass
80% Load 26.7 mV 23.6 mV 25.0 mV 19.5 mV Pass
90% Load 28.6 mV 25.3 mV 25.8 mV 20.4 mV Pass
100% Load 33.1 mV 27.8 mV 33.9 mV 23.0 mV Pass
110% Load 36.2 mV 28.5 mV 33.2 mV 24.1 mV Pass
Crossload 1 19.2 mV 26.6 mV 29.0 mV 19.2 mV Pass
Crossload 2 32.6 mV 15.5 mV 21.4 mV 11.2 mV Pass

The results above are not used in the certification process

SilverStone SFX 300W

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