CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Bitfenix Whisper 550W
Serial Number707Q00065
Lab ID137
  • Report:
  • Receipt Date: Mar 28, 2018
  • Test Date: Apr 4, 2018
  • Report Date: Apr 7, 2018
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandBitfenix
Manufacturer (OEM)Channel Well Technology
SeriesWhisper
Model NumberBWG550M
Serial Number707Q00065
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)8
Rated Frequency (Hz)47-63
Rated Power (W)550
TypeATX12V
Cooling135mm Hydro Dynamic Bearing Fan
(DF1352512SEMN)
Semi-Passive Operation✗
Cable DesignFully Modular

Power Specifications

Rail 3.3V 5V 12V 12V 12V 5VSB -12V
Max. Power Amps 20 20 25 25 30 2.5 0.3
Watts 100 550 12.5 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 18AWG
4+4 pin EPS12V (650mm) 1 1 18AWG
6+2 pin PCIe (650mm) 2 2 18AWG
SATA (500mm+150mm+150mm+150mm) 2 8 18AWG
4 pin Molex (500mm+150mm+150mm+150mm) 1 4 18AWG

Parts Description

General Data
Manufacturer (OEM) CWT
Platform Model GPU
Primary Side
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV, 1x CAP004DG
Inrush Protection NTC Thermistor & Relay
Bridge Rectifier(s) 1x GBU806 (600V, 8A @ 100°C)
APFC MOSFETS 2x Champion GP18S50G (500V, 28A @ 150°C, 0.19 Ohm)
APFC Boost Diode 1x STMicroelectronics STTH8S06D (600V, 8A @ 175°C)
Hold-up Cap(s) 1x Nichicon (400V, 390uF, 2000h @ 105°C, GG)
Main Switchers 2x Silan Microelecronics SVF20N50F
(500V, 12.6A @ 100°C, 0.27Ohm)
APFC Controller Champion CM6502S & CM03X Green PFC controller
Switching Controller Champion CM6901
Topology Primary side: Half-Bridge & LLC Resonant Converter
Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side
+12V MOSFETS 6x Sinopower SM4021NAKP (40V, 100A @ 100°C, 1.6mΩ)
5V & 3.3V DC-DC Converters: 2x UBIQ QM3006D FETs (30V, 57A @ 100°C, 5.5mΩ), 2x UBIQ QM3004D FETs (30V, 40A @ 100°C, 8.5mΩ)
PWM Controller: ANPEC APW7159C
Filtering Capacitors Electrolytics: Nippon Chemi-Con (105°C, KY series, KZE series, KMG series), Nichicon (105°C)
Polymers: FPCAP (Japan)
Supervisor IC Sytronix ST9S429-PG14 (OCP [2x 12V channels, OVP, UVP, PG) & Weltrend WD7518D (OCP [2x 12V channels], SCP)
Fan Model Martech DF1352512SEMN (135mm, 12V, 0.45A, Fluid Dynamic Bearing)
5VSB Circuit
Standby PWM Controller TinySwitch-LT TNY177PN (18W Peak)

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)13.3
AC Loss to PWR_OK Hold Up Time (ms)12.5
PWR_OK Inactive to DC Loss Delay (ms)0.8

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 0.212 67.949% 0.032
5.103V 0.312 115.15V
2 0.087A 0.444 75.254% 0.058
5.101V 0.590 115.16V
3 0.542A 2.759 79.809% 0.260
5.090V 3.457 115.13V
4 1.002A 5.090 77.936% 0.358
5.080V 6.531 115.14V
5 1.502A 7.612 77.785% 0.410
5.069V 9.786 115.14V
6 2.501A 12.619 75.717% 0.459
5.045V 16.666 115.14V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.042A 0.212 58.082% 0.011
5.103V 0.365 230.37V
2 0.087A 0.443 68.682% 0.019
5.101V 0.645 230.39V
3 0.542A 2.758 77.320% 0.101
5.090V 3.567 230.38V
4 1.002A 5.090 78.079% 0.170
5.080V 6.519 230.38V
5 1.502A 7.610 78.164% 0.228
5.068V 9.736 230.38V
6 2.501A 12.620 77.887% 0.305
5.046V 16.203 230.38V

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 2.766A 1.991A 1.984A 0.981A 54.765 85.636% 470 11.6 38.42°C 0.946
12.014V 5.005V 3.321V 5.077V 63.951 43.24°C 115.17V
2 6.571A 3.002A 2.983A 1.181A 109.759 89.455% 455 10.5 38.55°C 0.975
12.005V 4.996V 3.315V 5.070V 122.698 43.61°C 115.17V
3 10.734A 3.510A 3.500A 1.380A 164.857 90.622% 470 11.6 39.01°C 0.982
11.997V 4.988V 3.310V 5.064V 181.917 44.85°C 115.17V
4 14.894A 4.016A 3.991A 1.580A 219.763 90.860% 470 11.6 39.78°C 0.985
11.990V 4.981V 3.305V 5.057V 241.870 45.89°C 115.17V
5 18.716A 5.022A 4.999A 1.781A 274.695 90.536% 470 11.6 40.12°C 0.986
11.981V 4.973V 3.299V 5.049V 303.410 47.16°C 115.17V
6 22.539A 6.046A 6.009A 1.980A 329.700 89.633% 470 11.6 41.16°C 0.986
11.975V 4.965V 3.294V 5.042V 367.833 49.06°C 115.17V
7 26.371A 7.057A 7.020A 2.182A 384.643 89.026% 640 16.4 42.00°C 0.985
11.967V 4.958V 3.289V 5.034V 432.056 50.12°C 115.17V
8 30.205A 8.086A 8.038A 2.385A 439.601 88.238% 970 27.3 42.72°C 0.985
11.958V 4.950V 3.284V 5.026V 498.199 51.87°C 115.16V
9 34.476A 8.599A 8.569A 2.385A 494.632 87.572% 1280 35.2 43.48°C 0.985
11.952V 4.943V 3.278V 5.023V 564.827 52.96°C 115.16V
10 38.709A 9.118A 9.067A 2.489A 549.523 86.855% 1455 39.2 44.68°C 0.986
11.944V 4.936V 3.274V 5.018V 632.692 54.48°C 115.16V
11 43.323A 9.127A 9.078A 2.489A 604.455 86.240% 1455 39.2 45.99°C 0.988
11.940V 4.932V 3.270V 5.014V 700.896 56.04°C 115.16V
CL1 0.096A 12.014A 12.004A 0.004A 100.507 84.697% 470 11.6 44.31°C 0.974
11.994V 4.963V 3.308V 5.095V 118.666 55.31°C 115.18V
CL2 45.782A 1.001A 1.002A 1.001A 560.977 87.698% 1455 39.2 44.88°C 0.987
11.962V 4.970V 3.287V 5.059V 639.671 54.19°C 115.16V

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 2.735A 1.994A 1.982A 0.984A 54.442 84.941% 470 11.6 40.11°C 0.711
12.010V 5.016V 3.327V 5.081V 64.094 46.11°C 230.91V
2 6.534A 2.991A 2.977A 1.182A 109.322 89.709% 470 11.6 40.85°C 0.857
12.003V 5.014V 3.325V 5.075V 121.863 47.19°C 230.88V
3 10.731A 3.492A 3.461A 1.381A 164.844 91.508% 470 11.6 41.18°C 0.908
12.006V 5.013V 3.323V 5.070V 180.142 49.19°C 230.85V
4 14.873A 3.989A 3.973A 1.580A 219.653 92.190% 470 11.6 41.77°C 0.932
11.999V 5.012V 3.322V 5.064V 238.262 51.29°C 230.81V
5 18.684A 4.991A 4.967A 1.780A 274.543 92.776% 470 11.6 42.08°C 0.945
11.991V 5.011V 3.320V 5.058V 295.920 52.33°C 230.77V
6 22.499A 5.989A 5.964A 1.980A 329.460 92.155% 470 11.6 42.96°C 0.954
11.985V 5.011V 3.319V 5.053V 357.507 54.82°C 230.73V
7 26.360A 6.991A 6.962A 2.180A 384.781 91.775% 750 21.0 43.00°C 0.958
11.975V 5.009V 3.318V 5.047V 419.266 55.76°C 230.69V
8 30.226A 7.991A 7.961A 2.381A 440.102 91.342% 1020 30.6 43.66°C 0.962
11.966V 5.008V 3.316V 5.040V 481.820 56.90°C 230.65V
9 34.459A 8.493A 8.448A 2.382A 494.611 91.024% 1310 35.4 44.19°C 0.965
11.959V 5.006V 3.314V 5.039V 543.384 57.89°C 230.71V
10 38.693A 8.994A 8.966A 2.483A 549.718 90.611% 1455 39.2 45.43°C 0.967
11.953V 5.005V 3.313V 5.035V 606.679 59.63°C 230.67V
11 43.336A 8.995A 8.970A 2.483A 604.944 90.333% 1455 39.2 46.11°C 0.969
11.947V 5.004V 3.311V 5.034V 669.681 60.90°C 230.63V
CL1 0.140A 12.002A 11.999A 0.000A 101.718 84.988% 470 11.6 42.68°C 0.856
11.997V 5.013V 3.323V 5.103V 119.685 54.31°C 230.97V
CL2 45.839A 1.003A 1.000A 1.000A 561.740 91.525% 1455 39.2 45.92°C 0.967
11.962V 5.011V 3.317V 5.071V 613.758 59.13°C 230.67V

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 1.214A 0.488A 0.479A 0.195A 19.627 75.202% 455 10.5 0.819
12.020V 5.014V 3.328V 5.097V 26.099 115.17V
2 2.454A 0.992A 0.990A 0.391A 39.736 83.794% 470 11.6 0.918
12.015V 5.010V 3.323V 5.093V 47.421 115.17V
3 3.697A 1.485A 1.503A 0.585A 59.815 86.988% 470 11.6 0.949
12.013V 5.007V 3.321V 5.087V 68.762 115.18V
4 4.928A 1.996A 1.986A 0.785A 79.751 88.560% 470 11.6 0.965
12.010V 5.003V 3.319V 5.081V 90.053 115.17V

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 1.202A 0.499A 0.480A 0.196A 19.544 71.248% 470 11.6 0.441
12.015V 5.018V 3.329V 5.100V 27.431 230.93V
2 2.465A 0.997A 0.991A 0.393A 39.912 82.774% 470 11.6 0.624
12.012V 5.016V 3.328V 5.095V 48.218 230.92V
3 3.666A 1.495A 1.472A 0.590A 59.427 86.366% 470 11.6 0.731
12.010V 5.016V 3.327V 5.090V 68.808 230.90V
4 4.949A 1.997A 1.987A 0.787A 79.964 88.145% 470 11.6 0.798
11.992V 5.012V 3.325V 5.082V 90.719 231.00V

The results above are not used in the certification process

Ripple Measurements

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 12.2 mV 8.4 mV 7.2 mV 9.0 mV Pass
20% Load 17.8 mV 8.6 mV 9.0 mV 6.1 mV Pass
30% Load 17.8 mV 8.3 mV 10.3 mV 7.1 mV Pass
40% Load 16.7 mV 8.6 mV 11.4 mV 7.4 mV Pass
50% Load 16.8 mV 8.8 mV 11.8 mV 10.0 mV Pass
60% Load 19.2 mV 8.9 mV 12.0 mV 11.8 mV Pass
70% Load 19.2 mV 10.4 mV 14.0 mV 19.5 mV Pass
80% Load 18.1 mV 10.7 mV 16.9 mV 16.3 mV Pass
90% Load 18.1 mV 19.1 mV 22.8 mV 18.0 mV Pass
100% Load 18.6 mV 13.0 mV 21.0 mV 21.1 mV Pass
110% Load 20.3 mV 13.4 mV 24.1 mV 24.8 mV Pass
Crossload 1 20.5 mV 12.2 mV 9.5 mV 6.0 mV Pass
Crossload 2 17.6 mV 11.9 mV 21.0 mV 20.5 mV Pass

The results above are not used in the certification process

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 3.8 mV 5.0 mV 2.5 mV 6.8 mV Pass
20% Load 12.3 mV 5.3 mV 2.8 mV 8.2 mV Pass
30% Load 26.0 mV 5.7 mV 3.2 mV 7.7 mV Pass
40% Load 20.5 mV 5.5 mV 3.3 mV 8.7 mV Pass
50% Load 17.2 mV 6.1 mV 3.4 mV 12.5 mV Pass
60% Load 18.7 mV 6.1 mV 3.7 mV 11.3 mV Pass
70% Load 18.9 mV 6.2 mV 4.2 mV 17.4 mV Pass
80% Load 18.0 mV 7.3 mV 5.0 mV 17.3 mV Pass
90% Load 17.9 mV 19.6 mV 11.6 mV 19.1 mV Pass
100% Load 18.8 mV 8.0 mV 5.3 mV 21.5 mV Pass
110% Load 19.8 mV 7.8 mV 5.4 mV 24.3 mV Pass
Crossload 1 4.4 mV 6.8 mV 5.3 mV 3.4 mV Pass
Crossload 2 18.3 mV 6.1 mV 3.5 mV 20.2 mV Pass

The results above are not used in the certification process

Bitfenix Whisper 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