CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Corsair SF850 Platinum (ATX v3.1)
Serial NumberA2MFD35331P66W
Lab IDCR85002349
  • Report: 24PS2349A
  • Receipt Date: Jan 30, 2024
  • Test Date: Feb 9, 2024
  • Report Date: Feb 12, 2024
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Lab Director

General Information

DUT Information

BrandCorsair
Manufacturer (OEM)Great Wall
SeriesSF
Model NumberRPS0175
Serial NumberA2MFD35331P66W
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)10-5
Rated Frequency (Hz)47-63
Rated Power (W)850
TypeSFX
Cooling92mm Fluid Dynamic Bearing Fan
(NR092P)
Semi-Passive Operation✓
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202070.830
Watts130850150
Total Max. Power (W)850

Test Equipment

Electronic Loads Chroma 63601-5 x2
Chroma 63600-2
63640-80-80 x10
63610-80-20
AC Sources Chroma 6530, APM SP300VAC4000W-P
Power Analyzers RS HMC8015, N4L PPA1530, N4L PPA5530
Oscilloscopes Picoscope 4444, Rigol DS7014, Siglent SDS2104X PLUS
Sound Analyzer Bruel & Kjaer 2270 G4
Microphone Bruel & Kjaer Type 4955-A
Temperature Logger Picoscope TC-08
Tachometer UNI-T UT372
Multimeters Keysight 34465A, Keithley 2015 - THD
UPS FSP Champ Tower 3kVA, CyberPower OLS3000E 3kVA
Isolation Transformer 4kVA
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 (310mm) 1 1 16-20AWG No
4+4 pin EPS12V (410mm) 2 2 16AWG No
6+2 pin PCIe (400mm) 3 3 16AWG No
12+2 pin PCIe (410mm) (600W) 1 1 16-24AWG No
SATA (100mm+115mm+115mm+115mm) 2 8 18AWG No
4-pin Molex (100mm+115mm+115mm) 1 3 18AWG No

Parts Description

General Data
Manufacturer (OEM) Great Wall
PCB Type Double-Sided
Primary Side
Transient Filter 2x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection 1x NTC Thermistor SCK-056 (5 Ohm) & Relay
Bridge Rectifier(s)

2x Vishay GBUE2560 (600V, 25A @ 140°C)
APFC MOSFETs

1x Infineon IPW60R060C7 (650V, 22A @ 100°C, Rds(on): 0.060Ohm) 1x Champion CM03X (reduce the no-load consumption)
APFC Boost Diode

1x Infineon IDH10G65C6 (650V, 10A @ 140°C)
Bulk Cap(s)

1x Rubycon (420V, 550uF, 3,000h @ 105°C, MXK)
Main Switchers

2x 60F2094 (600V, 15.8A @ 150°C, 0.19Ohm)
APFC Controller Champion CM6502UHHX
Resonant Controller Champion CM6901X
IC Driver 1x Novosense NSi6602BD
Topology

Primary side: APFC, Half-Bridge & LLC converter Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side
+12V MOSFETs 6x Infineon BSC014N04LS (40V, 125A @ 100°C, Rds(on): 1.4mOhm)
5V & 3.3V DC-DC Converters: 4x Advanced Power AP4024GEMT (30V, 60A, Rds(on): 4.5mOhm) PWM Controller(s): ANPEC APW7159C
Filtering Capacitors

Electrolytic: 2x Rubycon (3-6,000h @ 105°C, YXG) Polymer: 3x United Chemi-Con, 40x FPCAP
Supervisor IC IN1S429I-SCG (OCP,OVP, UVP, SCP, PG)
Fan Controller Microchip PIC16F1824
Fan Model Corsair NR092P (92mm, 12V, 0.22A, Fluid Dynamic Bearing Fan)
5VSB Circuit
Rectifier

1x Infineon ICE5QR1680AG (800V, 5.8A, Rds(on): 1.75Ohm)
Standby PWM Controller Infineon ICE5QR1680AG

Test Results

Temperature & Compliance Info

Temperature Range (°C /°F)30-32 / 86-89.6
ErP Lot 3/6 Ready✓
(EU) No 617/2013 Compliance✓
ALPM (Alternative Low Power Mode) compatible✓
ATX v3.1 PSU Power Excursion✓

Performance Summary

Average Efficiency90.951%
Efficiency With 10W (≤500W) or 2% (>500W) Load -115V72.663%
Average Efficiency VSB84.480%
Standby Power Consumption (W)0.0532
Average PF0.984
Avg Noise Output29.42 dB(A)
Efficiency Rating (ETA)PLATINUM
Noise Rating (LAMBDA)A-
Average Efficiency92.525%
Average Efficiency VSB83.743%
Standby Power Consumption (W)0.0969
Average PF0.942
Avg Noise Output27.73 dB(A)
Efficiency Rating (ETA)PLATINUM
Noise Rating (LAMBDA)A-

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)19.3
AC Loss to PWR_OK Hold Up Time (ms)17
PWR_OK Inactive to DC Loss Delay (ms)2.3

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.04 V 115.00 V 113.85 V 115.08 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.99 Hz 59.40 Hz 60.01 Hz 60.60 Hz PASS
Mains Voltage CF: 1.416 1.415 1.340 1.418 1.490 PASS
Mains Voltage THD: 0.13 % 0.09 % N/A 0.18 % 2.00 % PASS
Real Power: 0.053 W 0.010 W N/A 0.073 W N/A N/A
Apparent Power: 10.580 W 10.264 W N/A 10.903 W N/A N/A
Power Factor: 0.006 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 229.92 V 229.85 V 227.70 V 230.05 V 232.30 V PASS
Mains Frequency: 50.00 Hz 49.99 Hz 49.50 Hz 50.01 Hz 50.50 Hz PASS
Mains Voltage CF: 1.418 1.418 1.340 1.419 1.490 PASS
Mains Voltage THD: 0.15 % 0.13 % N/A 0.18 % 2.00 % PASS
Real Power: 0.097 W 0.056 W N/A 0.285 W N/A N/A
Apparent Power: 39.419 W 39.354 W N/A 39.491 W N/A N/A
Power Factor: 0.002 N/A N/A N/A N/A N/A

Graphs

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 0.229W 70.266% 0.031
5.092V 0.326W 114.86V
2 0.09A 0.458W 77.915% 0.056
5.091V 0.588W 114.86V
3 0.55A 2.796W 85.148% 0.253
5.084V 3.284W 114.85V
4 1A 5.078W 86.139% 0.355
5.078V 5.895W 114.84V
5 1.5A 7.606W 85.225% 0.404
5.071V 8.925W 114.85V
6 3A 15.147W 83.584% 0.484
5.049V 18.121W 114.84V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.229W 61.333% 0.011
5.092V 0.374W 229.86V
2 0.09A 0.458W 71.562% 0.018
5.091V 0.641W 229.86V
3 0.55A 2.796W 82.135% 0.093
5.084V 3.405W 229.86V
4 1A 5.078W 85.13% 0.154
5.078V 5.965W 229.85V
5 1.5A 7.607W 85.333% 0.212
5.071V 8.915W 229.85V
6 3A 15.148W 84.435% 0.31
5.049V 17.941W 229.85V

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% 5.211A 2.001A 1.991A 0.986A 85.001 89.681% 0 <6.0 44.32°C 0.96
12.167V 4.996V 3.315V 5.071V 94.781 40.06°C 114.83V
20% 11.426A 3.003A 2.988A 1.185A 169.931 92.259% 0 <6.0 45.49°C 0.971
12.168V 4.994V 3.313V 5.064V 184.19 40.92°C 114.81V
30% 17.987A 3.504A 3.487A 1.385A 254.935 92.947% 0 <6.0 46.39°C 0.977
12.169V 4.994V 3.312V 5.056V 274.28 41.33°C 114.77V
40% 24.552A 4.006A 3.986A 1.585A 340.021 93.015% 774 <6.0 41.92°C 0.983
12.171V 4.993V 3.312V 5.048V 365.557 47.47°C 114.76V
50% 30.757A 5.009A 4.986A 1.786A 424.819 92.733% 1128 13.9 42.03°C 0.988
12.170V 4.991V 3.31V 5.04V 458.112 48.09°C 114.72V
60% 36.942A 6.013A 5.987A 1.987A 509.353 92.333% 1519 24.2 42.94°C 0.99
12.169V 4.989V 3.308V 5.033V 551.645 49.46°C 114.69V
70% 43.190A 7.018A 6.988A 2.189A 594.661 91.815% 1906 30.9 43.16°C 0.992
12.169V 4.988V 3.306V 5.025V 647.67 50.24°C 114.66V
80% 49.434A 8.022A 7.99A 2.291A 679.5 90.788% 2656 39.6 43.6°C 0.993
12.170V 4.986V 3.304V 5.019V 748.452 51.64°C 114.63V
90% 56.077A 8.526A 8.477A 2.394A 764.935 90.161% 3044 42.0 44.76°C 0.994
12.169V 4.984V 3.303V 5.013V 848.408 53.86°C 114.61V
100% 62.456A 9.029A 8.995A 3.001A 849.747 89.409% 3401 45.3 45.47°C 0.994
12.169V 4.983V 3.302V 4.999V 950.407 55.48°C 114.57V
110% 68.701A 10.036A 10.091A 3.004A 934.316 88.575% 3731 47.4 46.78°C 0.995
12.170V 4.982V 3.3V 4.994V 1054.834 57.68°C 114.54V
CL1 0.114A 15.718A 15.637A 0A 131.298 85.635% 1496 23.4 40.02°C 0.974
12.187V 4.982V 3.3V 5.079V 153.324 45.51°C 114.82V
CL2 0.114A 20.048A 0A 0A 101.335 84.719% 2277 34.4 40.3°C 0.975
12.180V 4.985V 3.312V 5.084V 119.614 47.37°C 114.83V
CL3 0.113A 0A 19.988A 0A 67.383 79.91% 2067 33.3 40.82°C 0.961
12.175V 4.993V 3.302V 5.084V 84.323 49.85°C 114.84V
CL4 69.845A 0A 0A 0A 849.494 90.178% 2968 42.1 45.57°C 0.994
12.163V 4.995V 3.313V 5.047V 942.029 56.49°C 114.58V

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% 5.208A 2.001A 1.99A 0.986A 85.003 89.187% 0 <6.0 44.51°C 0.81
12.173V 4.997V 3.316V 5.071V 95.311 40.23°C 229.85V
20% 11.415A 3.003A 2.987A 1.185A 169.935 92.766% 606 <6.0 40.7°C 0.91
12.180V 4.995V 3.314V 5.064V 183.186 45.24°C 229.83V
30% 17.977A 3.504A 3.487A 1.385A 254.941 93.831% 728 <6.0 41.03°C 0.938
12.176V 4.994V 3.313V 5.056V 271.699 46.03°C 229.82V
40% 24.546A 4.006A 3.987A 1.585A 340.027 94.168% 1005 9.6 41.79°C 0.951
12.174V 4.992V 3.311V 5.049V 361.087 47.36°C 229.8V
50% 30.751A 5.01A 4.986A 1.786A 424.839 94.139% 1410 21.7 42.22°C 0.961
12.173V 4.99V 3.309V 5.041V 451.289 48.29°C 229.79V
60% 36.935A 6.014A 5.987A 1.987A 509.372 93.98% 1784 28.5 42.78°C 0.965
12.172V 4.989V 3.308V 5.034V 542 49.37°C 229.78V
70% 43.186A 7.019A 6.989A 2.189A 594.675 93.741% 2117 34.0 43.12°C 0.97
12.170V 4.987V 3.306V 5.026V 634.38 50.21°C 229.76V
80% 49.438A 8.023A 7.99A 2.291A 679.512 93.448% 2536 38.4 43.95°C 0.974
12.169V 4.985V 3.304V 5.02V 727.157 52.02°C 229.75V
90% 56.082A 8.527A 8.478A 2.394A 764.948 93.135% 2958 42.1 44.22°C 0.976
12.169V 4.984V 3.303V 5.014V 821.33 53.29°C 229.74V
100% 62.461A 9.03A 8.996A 3A 849.759 92.738% 3305 44.6 45.64°C 0.978
12.168V 4.983V 3.301V 5V 916.303 55.69°C 229.72V
110% 68.705A 10.037A 10.092A 3.003A 934.333 92.301% 3665 46.9 46.95°C 0.98
12.169V 4.981V 3.299V 4.995V 1012.267 57.89°C 229.71V
CL1 0.115A 15.72A 15.639A 0A 131.298 85.85% 1798 29.2 41.12°C 0.889
12.192V 4.981V 3.299V 5.08V 152.935 46.64°C 229.84V
CL2 0.114A 20.05A 0A 0A 101.338 84.827% 2283 34.5 40.65°C 0.854
12.180V 4.985V 3.312V 5.084V 119.463 47.76°C 229.84V
CL3 0.113A 0A 19.989A 0A 67.382 79.447% 2076 33.3 41.82°C 0.78
12.175V 4.992V 3.302V 5.084V 84.814 50.84°C 229.85V
CL4 69.842A 0A 0A 0A 849.502 93.412% 2921 42.0 45.85°C 0.977
12.164V 4.995V 3.313V 5.048V 909.413 56.83°C 229.72V

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 1.222A 0.5A 0.497A 0.197A 19.994 74.88% 0 <6.0 39.76°C 0.826
12.156V 4.997V 3.317V 5.086V 26.702 36.69°C 114.84V
40W 2.688A 0.7A 0.696A 0.295A 39.996 84.056% 0 <6.0 40.41°C 0.914
12.160V 4.997V 3.317V 5.084V 47.583 37.03°C 114.84V
60W 4.154A 0.9A 0.895A 0.394A 59.996 87.657% 0 <6.0 42.64°C 0.945
12.162V 4.998V 3.317V 5.081V 68.443 38.86°C 114.83V
80W 5.616A 1.1A 1.094A 0.492A 79.934 89.655% 0 <6.0 43.19°C 0.96
12.164V 4.998V 3.317V 5.079V 89.157 39.22°C 114.82V

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 1.220A 0.5A 0.497A 0.197A 19.997 73.469% 0 <6.0 39.96°C 0.457
12.162V 4.997V 3.317V 5.086V 27.222 36.89°C 229.86V
40W 2.687A 0.7A 0.696A 0.295A 39.998 82.964% 0 <6.0 40.98°C 0.628
12.165V 4.998V 3.317V 5.084V 48.21 37.68°C 229.85V
60W 4.154A 0.9A 0.895A 0.394A 59.998 87.138% 0 <6.0 42.44°C 0.73
12.166V 4.998V 3.317V 5.081V 68.856 38.92°C 229.85V
80W 5.614A 1.1A 1.094A 0.492A 79.938 89.194% 0 <6.0 42.98°C 0.794
12.169V 4.998V 3.317V 5.079V 89.623 39.14°C 229.85V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load18.05mV14.11mV12.52mV8.41mVPass
20% Load18.77mV13.60mV12.93mV8.41mVPass
30% Load20.15mV14.52mV12.83mV8.47mVPass
40% Load22.30mV14.57mV13.44mV8.93mVPass
50% Load24.30mV17.19mV15.29mV9.34mVPass
60% Load26.19mV15.14mV13.75mV9.13mVPass
70% Load32.07mV16.06mV14.62mV9.49mVPass
80% Load27.72mV16.01mV16.42mV10.31mVPass
90% Load31.66mV16.73mV16.62mV11.70mVPass
100% Load43.00mV17.72mV18.00mV11.84mVPass
110% Load48.39mV18.42mV18.74mV12.16mVPass
Crossload129.72mV17.76mV15.10mV24.30mVPass
Crossload223.02mV19.71mV14.83mV24.73mVPass
Crossload319.74mV15.96mV12.93mV22.88mVPass
Crossload444.54mV17.45mV18.08mV26.50mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load20.97mV14.52mV13.49mV8.57mVPass
20% Load21.89mV14.62mV13.13mV8.77mVPass
30% Load21.79mV14.58mV13.44mV9.03mVPass
40% Load22.71mV14.68mV12.93mV9.39mVPass
50% Load24.81mV15.14mV16.88mV9.23mVPass
60% Load25.42mV15.09mV15.85mV9.49mVPass
70% Load27.16mV15.76mV15.03mV9.75mVPass
80% Load28.33mV16.78mV17.03mV10.06mVPass
90% Load29.26mV15.34mV15.65mV9.90mVPass
100% Load41.96mV16.73mV17.93mV12.02mVPass
110% Load42.75mV17.15mV17.89mV11.93mVPass
Crossload133.08mV16.73mV14.35mV23.38mVPass
Crossload222.40mV18.12mV12.57mV22.68mVPass
Crossload323.94mV15.81mV14.57mV22.78mVPass
Crossload440.82mV16.81mV17.51mV26.41mVPass

The results above are not used in the certification process

Corsair SF850 Platinum (ATX v3.1)

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
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