CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Corsair SF750 Platinum (ATX v3.1)
Serial NumberA7PCD4026018NT
Lab IDCR75002352
  • Report: 24PS2352A
  • Receipt Date: Feb 6, 2024
  • Test Date: Feb 12, 2024
  • Report Date: Feb 14, 2024
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandCorsair
Manufacturer (OEM)Great Wall
SeriesSF
Model Number
Serial NumberA7PCD4026018NT
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)10-5
Rated Frequency (Hz)47-63
Rated Power (W)750
TypeSFX
Cooling92mm Fluid Dynamic Bearing Fan
(NR092P)
Semi-Passive Operation✓
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202062.530
Watts130750150
Total Max. Power (W)750

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 (300mm) 1 1 16-20AWG No
4+4 pin EPS12V (410mm) 2 2 16AWG No
6+2 pin PCIe (410mm) 2 2 16AWG No
12+2 pin PCIe (400mm) (600W) 1 1 16-24AWG No
SATA (110mm+115mm+115mm+115mm) 2 8 18AWG No
4-pin Molex (110mm+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 Diodes GBU25KH (800V, 25A @ 175°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 Cree C3D08060A (600V, 8A @ 150°C)
Bulk Cap(s) 1x Rubycon (420V, 470uF, 3,000h @ 105°C, MXK)
Main Switchers 2x Rohm R6035VNX3 (600V, 35A @ 25°C, Rds(on): 0.119Ohm)
Driver IC 1x NOVOSENSE NSi6602BD
APFC Controller Champion CM6502UHHX
Resonant Controller Champion CM6901X
Topology Primary side: APFC, Half-Bridge & LLC converter
Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side
+12V MOSFETs 4x Infineon BSC014N04LS6 (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: 39x 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(s) 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

Efficiency RatingPLATINUM
Noise RatingA-
Average Efficiency (>1450 load combinations)90.860%
Average Noise Output (>1450 Load Combinations)27.54dBA
Average PF (>1450 Load Combinations)0.988
Efficiency With 10W (≤500W) or 2% (>500W) Load76.418%
Standby Power Consumption0.0465W
12V Ripple (Full Load)35.01mV
5V Ripple (Full Load)16.29mV
3.3V Ripple (Full Load)15.86mV
5VSB Ripple (Full Load)21.41mV
12V Load Regulation0.08%
5V Load Regulation0.26%
3.3V Load Regulation0.45%
5VSB Load Regulation1.58%
Inrush Current32.710A
Efficiency RatingPLATINUM
Noise RatingA-
Average Efficiency (>1450 load combinations)92.589%
Average Noise Output (>1450 Load Combinations)26.17dBA
Average PF (>1450 Load Combinations)0.951
Efficiency With 10W (≤500W) or 2% (>500W) Load74.453%
Standby Power Consumption0.1108W
12V Ripple (Full Load)35.67mV
5V Ripple (Full Load)16.86mV
3.3V Ripple (Full Load)15.65mV
5VSB Ripple (Full Load)20.07mV
12V Load Regulation0.16%
5V Load Regulation0.26%
3.3V Load Regulation0.42%
5VSB Load Regulation1.56%
Inrush Current55.810A
12V Transient Response (200%)11.71V
5V Transient Response (200%)4.920V
3.3V Transient Response (200%)3.242V
5VSB Transient Response (200%)4.957V
Hold-Up Time & Power Ok Signal16.70ms
AC Loss to PWR_OK Hold Up Time14.00ms
PWR_OK Inactive to DC Loss Delay2.70ms
PSU Timings: T1 (20% / 100%)50.0ms48.0ms
PSU Timings: T3 (20% / 100%)128.0ms129.0ms
OPP (27.83°C / 42.00°C)127.15%128.81%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)16.7
AC Loss to PWR_OK Hold Up Time (ms)14
PWR_OK Inactive to DC Loss Delay (ms)2.7

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 114.91 V 114.83 V 113.85 V 115.00 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.98 Hz 59.40 Hz 60.03 Hz 60.60 Hz PASS
Mains Voltage CF: 1.421 1.419 1.340 1.423 1.490 PASS
Mains Voltage THD: 0.29 % 0.22 % N/A 0.39 % 2.00 % PASS
Real Power: 0.047 W 0.011 W N/A 0.070 W N/A N/A
Apparent Power: 10.435 W 10.413 W N/A 10.460 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: 229.91 V 229.80 V 227.70 V 230.03 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 1.416 1.340 1.420 1.490 PASS
Mains Voltage THD: 0.20 % 0.15 % N/A 0.28 % 2.00 % PASS
Real Power: 0.111 W 0.088 W N/A 0.141 W N/A N/A
Apparent Power: 35.480 W 35.412 W N/A 35.564 W N/A N/A
Power Factor: 0.003 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 70.053% 0.031
5.097V 0.327W 114.91V
2 0.09A 0.459W 78.042% 0.056
5.096V 0.588W 114.91V
3 0.55A 2.798W 85.021% 0.25
5.087V 3.291W 114.91V
4 1A 5.081W 85.919% 0.35
5.081V 5.913W 114.9V
5 1.5A 7.612W 85.045% 0.401
5.074V 8.951W 114.91V
6 3A 15.153W 83.409% 0.479
5.051V 18.168W 114.9V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.229W 59.17% 0.011
5.097V 0.388W 229.9V
2 0.09A 0.459W 71.302% 0.018
5.096V 0.646W 229.88V
3 0.55A 2.797W 81.796% 0.093
5.086V 3.42W 229.88V
4 1A 5.08W 84.879% 0.154
5.08V 5.984W 229.88V
5 1.5A 7.61W 85.189% 0.204
5.073V 8.933W 229.88V
6 3A 15.142W 84.26% 0.313
5.048V 17.97W 229.88V

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% 4.404A 1.999A 1.981A 0.986A 74.995 88.103% 0 <6.0 44.23°C 0.874
12.125V 5.002V 3.331V 5.07V 85.122 40.01°C 114.89V
20% 9.817A 3A 2.973A 1.185A 149.928 91.199% 0 <6.0 45.22°C 0.944
12.124V 5V 3.33V 5.064V 164.396 40.67°C 114.87V
30% 15.578A 3.5A 3.47A 1.384A 224.926 92.184% 0 <6.0 46.09°C 0.963
12.124V 5V 3.329V 5.057V 243.998 41°C 114.84V
40% 21.346A 4A 3.966A 1.584A 300.012 92.419% 0 <6.0 47.41°C 0.975
12.125V 5V 3.328V 5.05V 324.622 41.85°C 114.82V
50% 26.717A 5.002A 4.96A 1.785A 374.433 92.151% 963 9.4 42.26°C 0.982
12.125V 4.998V 3.327V 5.042V 406.327 48.28°C 114.79V
60% 32.135A 6.005A 5.956A 1.986A 449.361 91.86% 1299 18.6 42.58°C 0.986
12.122V 4.997V 3.325V 5.036V 489.181 49.09°C 114.77V
70% 37.556A 7.008A 6.953A 2.187A 524.286 91.431% 1664 27.1 42.99°C 0.989
12.120V 4.995V 3.323V 5.029V 573.424 50.06°C 114.74V
80% 43.037A 8.01A 7.95A 2.289A 599.486 90.549% 2407 37.2 43.88°C 0.99
12.119V 4.993V 3.321V 5.024V 662.06 51.89°C 114.71V
90% 48.856A 8.512A 8.435A 2.391A 674.511 90.04% 2775 40.6 44.57°C 0.992
12.118V 4.992V 3.32V 5.019V 749.124 53.66°C 114.68V
100% 54.479A 9.016A 8.95A 2.997A 749.738 89.37% 3104 43.2 45.87°C 0.993
12.116V 4.991V 3.318V 5.006V 838.919 55.95°C 114.66V
110% 59.970A 10.021A 10.041A 2.999A 824.763 88.652% 3453 45.6 46.79°C 0.993
12.114V 4.988V 3.316V 5.002V 930.343 57.72°C 114.63V
CL1 0.115A 15.697A 15.564A 0A 131.296 85.097% 1518 24.0 40.83°C 0.939
12.140V 4.988V 3.316V 5.078V 154.288 46.34°C 114.86V
CL2 0.114A 20.026A 0A 0A 101.342 84.132% 2318 36.3 40.31°C 0.911
12.136V 4.991V 3.329V 5.082V 120.456 47.37°C 114.88V
CL3 0.114A 0A 19.898A 0A 67.398 79.3% 2045 33.0 41.64°C 0.873
12.133V 4.999V 3.318V 5.083V 84.991 50.72°C 114.9V
CL4 61.889A 0A 0A 0A 749.576 90.145% 2713 40.2 46.27°C 0.992
12.111V 5.002V 3.331V 5.055V 831.532 57.25°C 114.65V

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% 4.400A 1.998A 1.981A 0.986A 74.997 88.972% 0 <6.0 44.27°C 0.734
12.135V 5.003V 3.332V 5.07V 84.285 40.01°C 229.86V
20% 9.811A 2.999A 2.973A 1.185A 149.929 92.288% 0 <6.0 45.38°C 0.853
12.131V 5.002V 3.33V 5.064V 162.458 40.72°C 229.86V
30% 15.572A 3.499A 3.469A 1.384A 224.93 93.446% 0 <6.0 46.54°C 0.903
12.129V 5.001V 3.33V 5.057V 240.706 41.37°C 229.85V
40% 21.339A 4A 3.966A 1.584A 300.012 93.806% 801 <6.0 41.53°C 0.929
12.128V 5V 3.329V 5.05V 319.821 47.07°C 229.84V
50% 26.711A 5.002A 4.96A 1.785A 374.386 93.818% 1083 12.8 42.14°C 0.944
12.126V 4.998V 3.327V 5.043V 399.056 48.22°C 229.83V
60% 32.130A 6.004A 5.956A 1.985A 449.318 93.726% 1436 22.3 42.91°C 0.955
12.123V 4.997V 3.325V 5.037V 479.395 49.45°C 229.81V
70% 37.549A 7.008A 6.952A 2.187A 524.249 93.528% 1835 30.0 43.06°C 0.962
12.121V 4.995V 3.323V 5.03V 560.526 50.16°C 229.8V
80% 43.032A 8.01A 7.949A 2.288A 599.442 93.269% 2244 35.4 43.98°C 0.967
12.120V 4.993V 3.321V 5.025V 642.699 52.06°C 229.79V
90% 48.852A 8.512A 8.434A 2.39A 674.459 93.014% 2646 39.6 44.57°C 0.972
12.118V 4.992V 3.32V 5.021V 725.117 53.58°C 229.78V
100% 54.471A 9.015A 8.949A 2.995A 749.647 92.666% 2886 41.6 46.42°C 0.976
12.116V 4.991V 3.319V 5.007V 808.952 56.43°C 229.76V
110% 59.962A 10.021A 10.04A 2.998A 824.702 92.254% 3339 44.9 46.59°C 0.978
12.114V 4.988V 3.316V 5.004V 893.949 57.52°C 229.75V
CL1 0.114A 15.695A 15.561A 0A 131.289 86.025% 1515 23.7 43.17°C 0.844
12.144V 4.988V 3.316V 5.079V 152.616 48.67°C 229.86V
CL2 0.114A 20.025A 0A 0A 101.336 84.891% 2307 36.2 40.33°C 0.802
12.141V 4.991V 3.329V 5.083V 119.374 47.41°C 229.87V
CL3 0.114A 0A 19.897A 0A 67.393 80.055% 2038 33.0 40.67°C 0.733
12.138V 4.999V 3.318V 5.084V 84.183 49.77°C 229.88V
CL4 61.892A 0A 0A 0A 749.52 93.388% 2496 37.9 44.75°C 0.975
12.110V 5.002V 3.33V 5.056V 802.586 55.69°C 229.77V

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
20W1.224A0.5A0.495A0.197A19.9975.667%0<6.039.83°C0.726
12.118V5.003V3.333V5.085V26.42836.75°C114.92V
40W2.696A0.7A0.693A0.295A39.99184.402%0<6.040.57°C0.807
12.119V5.003V3.333V5.083V47.3837.3°C114.91V
60W4.168A0.899A0.891A0.394A59.99287.49%0<6.041.79°C0.851
12.122V5.004V3.333V5.08V68.57838.01°C114.88V
80W5.634A1.099A1.089A0.492A79.93388.958%0<6.043.3°C0.879
12.123V5.004V3.333V5.077V89.85339.32°C114.89V

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 1.226A 0.5A 0.495A 0.197A 19.995 75.675% 0 <6.0 40.01°C 0.432
12.116V 5.003V 3.333V 5.085V 26.423 36.89°C 229.89V
40W 2.697A 0.7A 0.693A 0.295A 39.995 84.331% 0 <6.0 40.61°C 0.594
12.119V 5.003V 3.333V 5.082V 47.425 37.31°C 229.88V
60W 4.166A 0.899A 0.891A 0.394A 59.994 87.955% 0 <6.0 41.89°C 0.684
12.129V 5.004V 3.333V 5.08V 68.211 38.35°C 229.88V
80W 5.632A 1.099A 1.089A 0.492A 79.936 89.734% 0 <6.0 42.87°C 0.745
12.130V 5.004V 3.333V 5.078V 89.082 39°C 229.87V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load13.97mV14.46mV12.64mV16.37mVPass
20% Load14.63mV13.64mV11.82mV15.91mVPass
30% Load17.40mV14.76mV12.74mV15.70mVPass
40% Load18.31mV14.81mV13.20mV16.06mVPass
50% Load20.72mV14.41mV12.48mV16.27mVPass
60% Load22.97mV14.31mV13.35mV15.50mVPass
70% Load27.63mV15.79mV14.84mV17.03mVPass
80% Load25.73mV15.69mV14.63mV25.17mVPass
90% Load27.12mV15.63mV14.94mV16.62mVPass
100% Load35.01mV16.29mV15.86mV21.41mVPass
110% Load37.90mV17.22mV16.62mV21.53mVPass
Crossload122.00mV18.25mV15.16mV35.27mVPass
Crossload218.67mV18.75mV13.61mV33.66mVPass
Crossload317.19mV14.76mV14.68mV32.53mVPass
Crossload435.48mV15.99mV14.95mV36.08mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load13.86mV12.52mV11.41mV14.12mVPass
20% Load19.12mV13.84mV12.18mV16.27mVPass
30% Load16.58mV14.51mV12.53mV16.21mVPass
40% Load16.99mV15.23mV14.22mV16.52mVPass
50% Load18.88mV14.97mV13.66mV17.80mVPass
60% Load20.31mV13.79mV12.84mV16.16mVPass
70% Load22.77mV15.07mV13.92mV16.93mVPass
80% Load25.38mV14.81mV14.43mV16.06mVPass
90% Load27.93mV15.78mV14.88mV18.21mVPass
100% Load35.67mV16.86mV15.65mV20.07mVPass
110% Load37.83mV16.40mV15.73mV20.17mVPass
Crossload128.50mV17.42mV15.05mV35.07mVPass
Crossload222.31mV19.06mV13.45mV31.61mVPass
Crossload318.31mV13.49mV13.45mV29.31mVPass
Crossload435.50mV15.29mV14.50mV34.03mVPass

The results above are not used in the certification process

Corsair SF750 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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