CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
Corsair CX750M (ATX v3.1)
Serial Number4583
Lab IDCR75002903
Certification ID252903
  • Test Result Report ID: 25PS2903A
  • Certificate Issue Date: Jul 28, 2025
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Outside Validation Scope
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

DUT Information

BrandCorsair
Manufacturer (OEM)HEC
SeriesCX-M
Model NumberRPS0229
Serial Number4583
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)5-10
Rated Frequency (Hz)47-63
Rated Power (W)750
TypeATX12V
Dimensions (W x H x D)
Cooling120mm Sleave Bearing Fan (HA1225H12F-Z)
Semi-Passive Operation✗
Cable DesignSemi 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
Chroma 63640-80-80 x10
Chroma 63610-80-20
AC Sources Chroma 6530, APM SP300VAC4000W-P, GW Instek ASR-3500
Power Analyzers Rohde & Schwarz HMC8015 & NPA701
Oscilloscopes Picoscope 4444, 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
EMI Analyzer TekBox TBMR-110M-EU
Isolation Transformer 4kVA
UPS FSP Champ Tower 3kVA, CyberPower OLS3000E 3kVA
Testing Methodology Cybenetics PSU Test Protocol

Cables and Connectors(Non-accredited measurements)

Captive Cables
Description Cable Count Connector Count (Total) Gauge In Cable Capacitors
ATX connector 24 pin (605mm) 1 1 18-22AWG No
4+4 pin ATX12V (510mm+92mm) 1 2 16-18AWG No
6+2 pin PCIe (510mm+92mm) 1 2 16-18AWG No
SATA (410mm+95mm+95mm) 1 3 18AWG No
Modular Cables
6+2 pin PCIe (500mm+100mm) 1 2 16-18AWG No
12+2 pin PCIe (595mm) (600W) 1 1 16-24AWG No
SATA (400mm+110mm+110mm) 1 3 18AWG No
SATA (345mm+160mm) / 4-pin Molex (+155mm) 1 2 / 1 18AWG No
AC Power Cord (1410mm) - C13 coupler 1 1 16AWG -

Parts Description

General Data
Manufacturer (OEM) HEC
PCB Type Single-Sided
Primary Side
Transient Filter 4x Y caps, 3x X caps, 2x CM chokes, 1x MOV, 1x Power Integrations CAP200DG (X Capacitor Discharge IC)
Inrush Protection 1x NTC Thermistor SCK056 (5 Ohm @ 100°C)
Rectifier MOSFETs
2x MCC Semiconductor GBU10K (800V, 10A @ 100°C)
APFC MOSFETs
2x Infineon IPA60R120P7 (650V, 16A @ 100°C, Rds(on): 0.120Ohm)
APFC Boost Diode
1x Hestia Power H3S065A006 (650V, 6A @ 156°C)
Bulk Cap(s)
1x Teapo (400V, 470uF , 2000h @ 105°C, LG)
Main Switchers
2x Infineon IPAW60R180P7S (650V, 11A @ 100°C, Rds(on): 0.180Ohm)

APFC Controller

HR1280 &
1x Champion CM03X (reduce the no-load consumption)
Topology
Primary side: Semi-Digital PFC, Half-Bridge & LLC Resonant Converter
Secondary side: Passive Rectification (12V) & DC-DC converters (5V & 3.3V)
Secondary Side
+12V MOSFETs 6x PFC PFR30L45CT (45V, 30A)
5V & 3.3V DC-DC Converters: 8x Excelliance MOS EMB07N03A (30V, 43A @ 100°C, Rds(on): 7mOhm)
PWM Controller(s): 2x Anpec APW7164
Filtering Capacitors

Electrolytic:
1x Nippon Chemi-con (2-5,000h @105°C, KZE)
9x Teapo (3,000h @105°C, SC)
Polymer: 
13x Teapo
Supervisor IC Weltrend WT7527RT
Fan Model Hong Hua HA1225H12F-Z (120mm, 12V, 0.58A, Fluid Dynamic Bearing Fan)
5VSB Circuit
Rectifier (High Side)
1x Chongqing Pingwei PS1060L SBR (60V, 10A @ 25°C)
Standby PWM Controller
Excelliance MOS EM85690

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 RatingSILVER
Noise RatingStandard++
Average Efficiency (>1450 load combinations)86.207%
Average Noise Output (>1450 Load Combinations)31.78dBA
Average PF (>1450 Load Combinations)0.994
Efficiency With 10W (≤500W) or 2% (>500W) Load70.945%
Standby Power Consumption0.0547W
12V Ripple (Full Load)31.07mV
5V Ripple (Full Load)37.59mV
3.3V Ripple (Full Load)31.94mV
5VSB Ripple (Full Load)20.98mV
12V Load Regulation0.69%
5V Load Regulation0.81%
3.3V Load Regulation1.23%
5VSB Load Regulation1.30%
Inrush Current31.530A
Efficiency RatingSILVER
Noise RatingStandard++
Average Efficiency (>1450 load combinations)88.351%
Average Noise Output (>1450 Load Combinations)31.87dBA
Average PF (>1450 Load Combinations)0.974
Efficiency With 10W (≤500W) or 2% (>500W) Load74.206%
Standby Power Consumption0.1004W
12V Ripple (Full Load)33.42mV
5V Ripple (Full Load)41.92mV
3.3V Ripple (Full Load)32.38mV
5VSB Ripple (Full Load)20.84mV
12V Load Regulation0.67%
5V Load Regulation0.89%
3.3V Load Regulation1.26%
5VSB Load Regulation1.20%
Inrush Current63.780A
12V Transient Response (200%)11.51V
5V Transient Response (200%)4.916V
3.3V Transient Response (200%)3.210V
5VSB Transient Response (200%)5.007V
Hold-Up Time & Power Ok Signal16.80ms
AC Loss to PWR_OK Hold Up Time15.00ms
PWR_OK Inactive to DC Loss Delay1.80ms
PSU Timings: T1 (20% / 100%)77.0ms77.0ms
PSU Timings: T3 (20% / 100%)121.0ms125.0ms
12V OCP (30.3°C / 43.1°C)75.80A (121.28%), 12.058V74.80A (119.68%), 12.061V
5V OCP (30.3°C / 43.1°C)25.8A (129.00%), 4.947V25.2A (126.00%), 4.947V
3.3V OCP (30.3°C / 43.1°C)26.8A (134.00%), 3.275V26.2A (131.00%), 3.275V
5VSB OCP (30.3°C / 43.1°C)4.1A (136.67%), 4.982V4A (133.33%), 4.989V
OPP (30.10°C / 41.90°C)120.00%119.20%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)16.8
AC Loss to PWR_OK Hold Up Time (ms)15
PWR_OK Inactive to DC Loss Delay (ms)1.8

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.08 V 115.04 V 113.85 V 115.13 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: 0.055 W 0.002 W N/A 0.081 W N/A N/A
Apparent Power: 8.225 W 8.152 W N/A 8.307 W N/A N/A
Power Factor: 0.007 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 231.02 V 230.93 V 227.70 V 231.10 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: 1.417 1.416 1.340 1.423 1.490 PASS
Mains Voltage THD: 0.17 % 0.14 % N/A 0.27 % 2.00 % PASS
Real Power: 0.100 W 0.061 W N/A 0.160 W N/A N/A
Apparent Power: 28.148 W 27.933 W N/A 28.367 W N/A N/A
Power Factor: 0.004 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

Conducted Emissions EN55032 & CISPR 32

NEUTRAL
PHASE

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 0.227W 65.807% 0.042
5.046V 0.345W 115.08V
2 0.09A 0.454W 73.997% 0.073
5.043V 0.614W 115.07V
3 0.55A 2.768W 81.967% 0.288
5.033V 3.377W 115.07V
4 1A 5.025W 82.123% 0.379
5.026V 6.12W 115.07V
5 1.5A 7.526W 82.344% 0.421
5.017V 9.14W 115.07V
6 3A 14.977W 80.488% 0.48
4.992V 18.608W 115.06V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.227W 57.662% 0.015
5.044V 0.394W 230.24V
2 0.09A 0.454W 67.853% 0.025
5.041V 0.669W 230.24V
3 0.55A 2.768W 80.572% 0.119
5.033V 3.436W 230.23V
4 1A 5.025W 81.502% 0.192
5.025V 6.166W 230.23V
5 1.5A 7.526W 81.544% 0.253
5.017V 9.231W 230.23V
6 3A 14.978W 81.44% 0.348
4.993V 18.391W 230.23V

Protection Features

OCP (Normal @ 30.3°C)12V: 75.80A (121.28%), 12.058V
5V: 25.8A (129.00%), 4.947V
3.3V: 26.8A (134.00%), 3.275V
5VSB: 4.1A (136.67%), 4.982V
OCP (Hot @ 43.1°C)12V: 74.80A (119.68%), 12.061V
5V: 25.2A (126.00%), 4.947V
3.3V: 26.2A (131.00%), 3.275V
5VSB: 4A (133.33%), 4.989V
OPP (Normal @ 30.1°C)900.03W (120.00%)
OPP (Hot @ 41.9°C)893.99W (119.20%)
OTP✓ (95°C @ Heat Sink)
SCP12V to Earth: ✓
5V to Earth: ✓
3.3V to Earth: ✓
5VSB to Earth: ✓
PWR_OKProper Operation
UVP (Full Load @ 90V)✓
UVP (No Damage @ 80V)✓
Conducted Emissions EN55032 & CISPR 32✓
NLO✓
Fan Failure Protection✗
SIPSurge: MOV
Inrush: NTC

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% 4.402A 2.001A 1.999A 0.993A 75 84.905% 839 19.1 40.43°C 0.984
12.130V 4.997V 3.301V 5.037V 88.347 40.86°C 115.04V
20% 9.817A 3.005A 3.003A 1.192A 149.927 87.852% 851 19.7 40.87°C 0.987
12.125V 4.993V 3.297V 5.032V 170.706 41.96°C 115.02V
30% 15.591A 3.508A 3.507A 1.393A 224.925 88.926% 884 21 41.2°C 0.995
12.114V 4.99V 3.293V 5.027V 252.942 43.84°C 114.99V
40% 21.376A 4.012A 4.013A 1.593A 300.011 88.96% 980 24.7 41.53°C 0.997
12.107V 4.986V 3.29V 5.022V 337.24 44.74°C 114.97V
50% 26.768A 5.019A 5.022A 1.794A 374.392 88.467% 1165 30.5 42.39°C 0.997
12.100V 4.982V 3.285V 5.017V 423.165 46.81°C 114.94V
60% 32.212A 6.028A 6.035A 1.995A 449.306 87.831% 1344 34.9 42.92°C 0.998
12.092V 4.977V 3.281V 5.012V 511.544 47.77°C 114.92V
70% 37.666A 7.04A 7.051A 2.197A 524.236 87.063% 1506 38.2 43.48°C 0.997
12.083V 4.973V 3.277V 5.007V 602.052 49.63°C 114.89V
80% 43.191A 8.051A 8.067A 2.298A 599.425 86.227% 1653 40.7 43.82°C 0.998
12.075V 4.968V 3.272V 5.004V 695.149 50.77°C 114.86V
90% 49.060A 8.56A 8.565A 2.4A 674.469 85.367% 1798 43.7 44.6°C 0.997
12.066V 4.964V 3.269V 5.001V 790.051 52.53°C 114.82V
100% 54.736A 9.071A 9.096A 3.007A 749.693 84.089% 1955 45.3 45.96°C 0.996
12.058V 4.961V 3.265V 4.989V 891.469 55.2°C 114.79V
110% 60.290A 10.086A 10.21A 3.008A 824.689 83.136% 1834 43.9 46.08°C 0.992
12.048V 4.957V 3.261V 4.987V 992.335 55.02°C 114.76V
CL1 0.114A 15.781A 15.724A 0.001A 131.284 79.853% 1147 30 40.07°C 0.987
12.128V 4.961V 3.281V 5.057V 164.429 45.94°C 115.02V
CL2 0.114A 20.18A 0A 0.001A 101.356 78.628% 959 23.9 40.11°C 0.986
12.134V 4.954V 3.298V 5.063V 128.927 44.05°C 115.04V
CL3 0.114A 0A 20.104A 0A 67.376 73.913% 991 25.2 40.31°C 0.98
12.130V 4.985V 3.283V 5.056V 91.171 43.25°C 115.05V
CL4 62.139A 0A 0A 0A 749.492 85.396% 1856 44.1 45.96°C 0.997
12.061V 4.98V 3.279V 5.041V 877.625 53.76°C 114.79V

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% 4.402A 2.001A 1.999A 0.993A 75.001 86.031% 837 19.1 40.08°C 0.864
12.133V 4.997V 3.301V 5.037V 87.186 40.57°C 230.23V
20% 9.817A 3.005A 3.003A 1.192A 149.93 89.492% 851 19.7 40.52°C 0.943
12.125V 4.993V 3.297V 5.032V 167.545 41.57°C 230.22V
30% 15.592A 3.508A 3.507A 1.392A 224.93 90.595% 883 21 41.11°C 0.973
12.114V 4.989V 3.294V 5.028V 248.312 43.18°C 230.2V
40% 21.376A 4.012A 4.012A 1.593A 300.017 90.694% 969 24.3 41.62°C 0.982
12.107V 4.986V 3.29V 5.023V 330.805 44.62°C 230.19V
50% 26.769A 5.02A 5.022A 1.793A 374.406 90.391% 1153 30.1 42.11°C 0.988
12.100V 4.981V 3.286V 5.018V 414.191 45.59°C 230.18V
60% 32.216A 6.03A 6.034A 1.995A 449.344 90.002% 1341 34.9 42.51°C 0.991
12.091V 4.976V 3.282V 5.014V 499.257 46.59°C 230.16V
70% 37.689A 7.041A 7.05A 2.199A 524.335 89.582% 1420 36.6 43.1°C 0.993
12.078V 4.972V 3.277V 5.005V 585.319 47.56°C 230.07V
80% 43.200A 8.055A 8.067A 2.298A 599.491 89.014% 1572 39.4 43.68°C 0.994
12.074V 4.966V 3.273V 5.005V 673.36 48.86°C 230.09V
90% 49.067A 8.564A 8.564A 2.399A 674.508 88.493% 1771 42.9 44.62°C 0.995
12.065V 4.962V 3.269V 5.002V 762.212 51.5°C 230.1V
100% 54.745A 9.074A 9.095A 3.006A 749.724 87.847% 1928 45.1 45.74°C 0.996
12.057V 4.959V 3.265V 4.99V 853.538 53.75°C 230.1V
110% 60.296A 10.092A 10.21A 3.007A 824.718 87.216% 1868 44.3 44.53°C 0.996
12.047V 4.954V 3.261V 4.988V 945.808 52.47°C 230.07V
CL1 0.114A 15.785A 15.711A 0.001A 131.288 81.374% 1165 30.5 40.19°C 0.943
12.127V 4.96V 3.284V 5.056V 161.333 46.13°C 230.21V
CL2 0.114A 20.183A 0A 0.001A 101.357 80.05% 969 24.3 40.13°C 0.921
12.135V 4.953V 3.297V 5.063V 126.607 45.02°C 230.22V
CL3 0.114A 0A 20.076A 0A 67.379 75.564% 1033 26.6 41.33°C 0.872
12.131V 4.983V 3.287V 5.057V 89.185 44.71°C 230.23V
CL4 62.141A 0A 0A 0A 749.51 88.732% 1846 44 45.76°C 0.996
12.062V 4.978V 3.277V 5.041V 844.703 52.35°C 230.11V

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 1.224A 0.5A 0.499A 0.198A 20 74.819% 831 18.8 36.69°C 0.896
12.141V 5.001V 3.305V 5.054V 26.777 38.31°C 115.07V
40W 2.694A 0.7A 0.699A 0.297A 39.998 81.633% 831 18.8 37.6°C 0.959
12.135V 5.001V 3.304V 5.05V 49.013 38.61°C 115.06V
60W 4.164A 0.9A 0.899A 0.396A 59.997 84.324% 834 18.9 38.46°C 0.977
12.132V 5V 3.303V 5.047V 71.152 39.04°C 115.05V
80W 5.630A 1.1A 1.099A 0.495A 79.937 85.308% 834 18.9 39.47°C 0.981
12.133V 4.999V 3.302V 5.045V 93.68 40.07°C 115.04V

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 1.224A 0.5A 0.499A 0.198A 19.998 76.446% 828 18.7 36.41°C 0.564
12.137V 5.003V 3.306V 5.05V 26.224 36.83°C 230.23V
40W 2.694A 0.7A 0.699A 0.297A 39.997 83.038% 829 18.7 37.08°C 0.728
12.130V 5.003V 3.305V 5.047V 48.23 37.73°C 230.23V
60W 4.166A 0.9A 0.899A 0.396A 59.997 85.825% 832 18.8 38.52°C 0.825
12.130V 5.001V 3.304V 5.045V 69.904 38.81°C 230.23V
80W 5.630A 1.1A 1.099A 0.496A 79.936 86.797% 834 18.9 39.11°C 0.873
12.131V 5V 3.302V 5.044V 92.095 39.43°C 230.23V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load77.28mV25.55mV20.01mV12.49mVPass
20% Load15.41mV19.83mV16.29mV13.27mVPass
30% Load16.99mV22.73mV18.26mV14.27mVPass
40% Load17.84mV23.96mV17.27mV13.89mVPass
50% Load25.21mV26.07mV18.72mV15.59mVPass
60% Load22.01mV28.28mV18.87mV22.46mVPass
70% Load25.83mV31.12mV24.41mV22.45mVPass
80% Load28.15mV35.91mV29.22mV19.41mVPass
90% Load30.63mV36.63mV31.03mV19.61mVPass
100% Load31.07mV37.59mV31.94mV20.98mVPass
110% Load37.52mV41.26mV26.30mV20.90mVPass
Crossload117.88mV38.01mV24.63mV18.36mVPass
Crossload218.20mV29.83mV15.77mV20.70mVPass
Crossload314.18mV20.25mV21.15mV12.59mVPass
Crossload434.70mV35.40mV20.57mV12.86mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load15.00mV18.60mV14.07mV11.92mVPass
20% Load15.62mV19.83mV14.07mV13.06mVPass
30% Load15.05mV21.33mV15.77mV13.47mVPass
40% Load17.89mV23.49mV16.19mV14.19mVPass
50% Load19.43mV25.61mV18.15mV15.23mVPass
60% Load22.89mV27.46mV18.46mV21.42mVPass
70% Load24.59mV30.66mV23.99mV20.13mVPass
80% Load26.50mV35.19mV24.82mV18.22mVPass
90% Load31.91mV36.01mV29.11mV19.35mVPass
100% Load33.42mV41.92mV32.38mV20.84mVPass
110% Load37.80mV41.00mV25.43mV22.39mVPass
Crossload116.04mV31.79mV20.64mV17.07mVPass
Crossload217.48mV29.47mV15.67mV19.41mVPass
Crossload314.44mV19.89mV18.15mV12.18mVPass
Crossload432.79mV32.46mV19.70mV12.42mVPass

The results above are not used in the certification process

Corsair CX750M (ATX v3.1)

Top side
Power specifications label
FAN
PSU Internals
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
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