CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
Corsair RM750x Shift (ATX v3.1)
Serial NumberA9H0D518502HIJ
Lab IDCR75002885
Certification ID252885
  • Test Result Report ID: 25PS2885A
  • Certificate Issue Date: Jul 10, 2025
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

DUT Information

BrandCorsair
Manufacturer (OEM)Great Wall
SeriesRMx Shift
Model NumberRPS0220
Serial NumberA9H0D518502HIJ
Fan Report LinkCorsair NR140HP
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)
Cooling140mm Fluid Dynamic Bearing Fan (NR140HP)
Semi-Passive Operation✓ (selectable)
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202062.530
Watts120750150
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
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
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 24 pin (605mm) 1 1 16-20AWG No
4+4 pin ATX12V (650mm) 2 2 18AWG No
6+2 pin PCIe (650mm) 2 2 18AWG No
2x 6+2 pin PCIe (650mm) 2 2 18AWG No
12+2 pin PCIe (655mm) (600W) 1 1 16-24AWG No
SATA (505mm+105mm+105mm) 2 6 18AWG No
4-pin Molex (405mm+105mm+105mm+105mm) 1 4 18AWG No

Parts Description

General Data
Manufacturer (OEM) Great Wall
PCB Type Double-Sided
Primary Side
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection NTC Thermistor SCK205R0 (5 Ohm @ 25°C) & Relay
Bridge Rectifier(s)
1x
APFC MOSFETs
1x Infineon IPW60R060P7 (650V, 30A @ 100°C, Rds(on): 0.060Ohm)
APFC Boost Diode
1x WeEn WNSC60D06650 (650V, 6A @ 156°C)
Bulk Cap(s)
1x Nippon Chemi-con (450V, 560uF, 2000h @ 105°C, KMW)
Main Switchers
2x STMicroelectronics STW24N60DM2 (650V, 11A @ 100°C, Rds(on): 0.200Ohm)

PFC/LLC Combo Controller

MPS HR1280
Topology Primary side: Semi-Digital, APFC, Half-Bridge & LLC Resonant Converter
Secondary side: [12V] Synchronous Rectification & [Minor Rails] DC-DC converters
Secondary Side
+12V MOSFETs 4x Diodes Incorporated DMT4002LPS (40V, 70A @ 100°C, Rds(on): 1.8mOhm)
5V & 3.3V DC-DC Converters: 4x DMT3004LPS (30V, 17A @ 70°C, Rds(on): 3.8mOhm)
PWM Controller(s): ANPEC APW7159C
Filtering Capacitors

Electrolytic:
10x Nichicon (10,000h @ 105°C, HW(M))
1x Nichicon (6,000 @ 105°C, HV(M))
1x Rubycon (4-10,000 @ 105°C, YXF)
1x Rubycon (6-10,000 @ 105°C, ZLH)
Polymer:
29x FPCAP
Supervisor IC IN1S3151-SAG
IC Driver MPS MP6924B
MCU STMicroelectronics STM32C011F6P3
Fan Model Corsair NR140HP (140mm, 12V, 0.33A, Fluid Dynamic Bearing Fan)
5VSB Circuit
Rectifier (Low Side)
1x Diodes Incorporated DMT10H009LPS (100V, 8A @ 70°C, Rds(on): 8mOhm)
Standby PWM Controller
Power Integrations TNY288GG

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)89.394%
Average Noise Output (>1450 Load Combinations)15.77dBA
Average PF (>1450 Load Combinations)0.989
Efficiency With 10W (≤500W) or 2% (>500W) Load72.512%
Standby Power Consumption0.0376W
12V Ripple (Full Load)20.73mV
5V Ripple (Full Load)11.71mV
3.3V Ripple (Full Load)10.78mV
5VSB Ripple (Full Load)13.98mV
12V Load Regulation0.63%
5V Load Regulation0.30%
3.3V Load Regulation0.39%
5VSB Load Regulation1.48%
Inrush Current28.520A
Efficiency RatingPLATINUM
Noise RatingA+
Average Efficiency (>1450 load combinations)91.272%
Average Noise Output (>1450 Load Combinations)15.77dBA
Average PF (>1450 Load Combinations)0.950
Efficiency With 10W (≤500W) or 2% (>500W) Load76.586%
Standby Power Consumption0.0753W
12V Ripple (Full Load)22.97mV
5V Ripple (Full Load)12.76mV
3.3V Ripple (Full Load)11.63mV
5VSB Ripple (Full Load)15.01mV
12V Load Regulation0.63%
5V Load Regulation0.32%
3.3V Load Regulation0.39%
5VSB Load Regulation1.46%
Inrush Current63.110A
12V Transient Response (200%)11.48V
5V Transient Response (200%)4.901V
3.3V Transient Response (200%)3.220V
5VSB Transient Response (200%)4.958V
Hold-Up Time & Power Ok Signal23.50ms
AC Loss to PWR_OK Hold Up Time20.40ms
PWR_OK Inactive to DC Loss Delay3.10ms
PSU Timings: T1 (20% / 100%)76.0ms63.0ms
PSU Timings: T3 (20% / 100%)125.0ms125.0ms
12V OCP (29.8°C / 42.5°C)82.80A (132.48%), 11.924V81.20A (129.92%), 11.916V
5V OCP (29.8°C / 42.5°C)31.1A (155.50%), 4.987V31A (155.00%), 4.988V
3.3V OCP (29.8°C / 42.5°C)29.5A (147.50%), 3.292V29.2A (146.00%), 3.294V
5VSB OCP (29.8°C / 42.5°C)5.2A (173.33%), 5.003V5.2A (173.33%), 4.999V
OPP (27.91°C / 44.91°C)130.93%127.06%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)23.5
AC Loss to PWR_OK Hold Up Time (ms)20.4
PWR_OK Inactive to DC Loss Delay (ms)3.1

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.08 V 115.05 V 113.85 V 115.13 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.96 Hz 59.40 Hz 60.03 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: 0.038 W -0.010 W N/A 0.062 W N/A N/A
Apparent Power: 8.395 W 7.842 W N/A 9.010 W N/A N/A
Power Factor: 0.003 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 231.06 V 230.93 V 227.70 V 231.12 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 1.417 1.340 1.419 1.490 PASS
Mains Voltage THD: 0.17 % 0.14 % N/A 0.28 % 2.00 % PASS
Real Power: 0.075 W 0.038 W N/A 0.133 W N/A N/A
Apparent Power: 26.412 W 25.790 W N/A 27.075 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

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 0.228W 76.331% 0.04
5.066V 0.299W 114.94V
2 0.09A 0.456W 82.028% 0.073
5.065V 0.556W 114.95V
3 0.55A 2.784W 86.412% 0.294
5.06V 3.221W 114.94V
4 1A 5.057W 86.388% 0.383
5.055V 5.855W 114.94V
5 1.5A 7.576W 84.659% 0.427
5.049V 8.949W 114.94V
6 3.001A 15.098W 83.347% 0.487
5.032V 18.115W 114.94V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.228W 66.735% 0.014
5.066V 0.342W 230.07V
2 0.09A 0.456W 75.173% 0.024
5.066V 0.607W 230.06V
3 0.55A 2.784W 83.827% 0.124
5.06V 3.321W 230.06V
4 1A 5.057W 85.806% 0.198
5.055V 5.894W 230.07V
5 1.5A 7.577W 85.991% 0.258
5.05V 8.809W 230.05V
6 3.001A 15.1W 85.077% 0.354
5.032V 17.746W 230.03V

Protection Features

OCP (Normal @ 29.8°C)12V: 82.80A (132.48%), 11.924V
5V: 31.1A (155.50%), 4.987V
3.3V: 29.5A (147.50%), 3.292V
5VSB: 5.2A (173.33%), 5.003V
OCP (Hot @ 42.5°C)12V: 81.20A (129.92%), 11.916V
5V: 31A (155.00%), 4.988V
3.3V: 29.2A (146.00%), 3.294V
5VSB: 5.2A (173.33%), 4.999V
OPP (Normal @ 27.9°C)981.94W (130.93%)
OPP (Hot @ 44.9°C)952.94W (127.06%)
OTP✓ (70°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 & Bypass Relay

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% 4.466A 2.012A 1.994A 0.99A 75.009 85.703% 0 <6.0 44.26°C 0.96
11.960V 4.971V 3.31V 5.051V 87.517 40.15°C 114.93V
20% 9.963A 3.019A 2.992A 1.19A 149.975 87.996% 0 <6.0 45.37°C 0.979
11.951V 4.97V 3.309V 5.044V 170.434 40.51°C 114.92V
30% 15.819A 3.523A 3.492A 1.39A 224.984 92.058% 0 <6.0 47.58°C 0.985
11.943V 4.969V 3.308V 5.038V 244.379 41.21°C 114.91V
40% 21.688A 4.027A 3.992A 1.59A 300.08 92.113% 0 <6.0 48.81°C 0.989
11.937V 4.968V 3.307V 5.031V 325.791 41.71°C 114.89V
50% 27.182A 5.035A 4.991A 1.792A 374.749 91.647% 0 <6.0 48.74°C 0.992
11.928V 4.966V 3.306V 5.025V 408.929 42.17°C 114.87V
60% 32.701A 6.045A 5.993A 1.993A 449.678 91.014% 414 <6.0 42.73°C 0.995
11.922V 4.965V 3.305V 5.018V 494.076 62.94°C 114.86V
70% 38.230A 7.055A 6.995A 2.196A 524.608 90.411% 451 <6.0 43.33°C 0.996
11.914V 4.963V 3.303V 5.011V 580.264 64.52°C 114.84V
80% 43.831A 8.065A 7.997A 2.298A 599.829 89.479% 695 19.4 43.99°C 0.997
11.908V 4.961V 3.301V 5.005V 670.329 61.86°C 114.83V
90% 49.773A 8.571A 8.485A 2.4A 674.868 88.745% 880 27.6 44.06°C 0.997
11.902V 4.959V 3.3V 5V 760.42 61.36°C 114.81V
100% 55.521A 9.078A 9.004A 3.007A 750.087 87.893% 1078 33.1 45.01°C 0.998
11.894V 4.958V 3.299V 4.989V 853.429 61.97°C 114.79V
110% 61.142A 10.09A 10.1A 3.01A 825.102 86.9% 1296 38.8 46.23°C 0.998
11.887V 4.956V 3.297V 4.985V 949.444 62.03°C 114.77V
CL1 0.118A 14.558A 14.44A 0A 121.312 81.541% 501 7.2 40.75°C 0.974
11.940V 4.96V 3.303V 5.051V 148.393 54.4°C 114.57V
CL2 0.117A 20.159A 0A 0A 101.404 80.142% 1083 33.3 40.66°C 0.972
11.951V 4.961V 3.314V 5.057V 126.521 47.87°C 114.93V
CL3 0.117A 0A 19.998A 0A 67.399 75.852% 730 21.3 40.11°C 0.96
11.956V 4.97V 3.3V 5.056V 88.815 46.9°C 114.93V
CL4 62.985A 0A 0A 0A 749.88 88.772% 982 30.7 45.05°C 0.998
11.906V 4.967V 3.306V 5.03V 844.737 59.63°C 114.77V

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% 4.466A 2.012A 1.993A 0.99A 75.007 88.357% 0 <6.0 50°C 0.872
11.959V 4.972V 3.311V 5.051V 84.904 40.14°C 230.07V
20% 9.963A 3.019A 2.991A 1.19A 149.97 89.295% 0 <6.0 51.19°C 0.925
11.951V 4.97V 3.31V 5.044V 167.939 40.72°C 230.06V
30% 15.819A 3.523A 3.491A 1.39A 224.976 93.33% 0 <6.0 51.01°C 0.941
11.943V 4.969V 3.309V 5.038V 241.061 41.06°C 230.05V
40% 21.686A 4.027A 3.991A 1.59A 300.065 93.517% 0 <6.0 54.2°C 0.952
11.937V 4.968V 3.308V 5.032V 320.887 41.67°C 230.05V
50% 27.178A 5.035A 4.991A 1.792A 374.693 93.372% 0 <6.0 53.49°C 0.961
11.928V 4.966V 3.306V 5.025V 401.323 42.23°C 230.04V
60% 32.696A 6.044A 5.992A 1.993A 449.616 93.037% 415 <6.0 42.71°C 0.966
11.922V 4.965V 3.305V 5.018V 483.298 55.89°C 230.04V
70% 38.220A 7.054A 6.994A 2.195A 524.532 92.643% 422 <6.0 43.41°C 0.969
11.915V 4.963V 3.303V 5.012V 566.178 57.22°C 230.03V
80% 43.820A 8.063A 7.996A 2.298A 599.747 91.944% 691 19.1 43.88°C 0.972
11.909V 4.961V 3.301V 5.006V 652.289 54.39°C 230.03V
90% 49.760A 8.569A 8.484A 2.4A 674.777 91.443% 877 27.5 44.84°C 0.975
11.902V 4.96V 3.3V 5.001V 737.923 54.57°C 230.02V
100% 55.508A 9.076A 9.002A 3.007A 749.991 90.8% 1071 32.8 45.55°C 0.979
11.895V 4.958V 3.299V 4.99V 825.978 55.99°C 230.02V
110% 61.131A 10.088A 10.098A 3.009A 825.01 90.031% 1627 44.1 46.15°C 0.982
11.888V 4.956V 3.297V 4.985V 916.357 55.15°C 230.01V
CL1 0.117A 14.557A 14.439A 0A 121.301 82.679% 491 7 40.06°C 0.918
11.941V 4.96V 3.303V 5.052V 146.7 51.83°C 230.09V
CL2 0.117A 20.158A 0A 0A 101.398 81.955% 1084 33.3 41.89°C 0.907
11.953V 4.961V 3.313V 5.057V 123.709 47.2°C 230.09V
CL3 0.117A 0A 19.999A 0A 67.392 78.367% 730 21.3 40.28°C 0.873
11.957V 4.97V 3.3V 5.056V 86.019 45.51°C 230.09V
CL4 62.964A 0A 0A 0A 749.758 91.612% 980 30.7 45.36°C 0.978
11.908V 4.967V 3.305V 5.031V 818.411 52.3°C 230.01V

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 1.242A 0.503A 0.498A 0.198A 20.008 75.53% 0 <6.0 40.68°C 0.858
11.969V 4.973V 3.312V 5.063V 26.422 36.69°C 114.94V
40W 2.732A 0.704A 0.698A 0.297A 40.006 81.034% 0 <6.0 43.5°C 0.93
11.967V 4.973V 3.312V 5.061V 49.369 37.96°C 114.94V
60W 4.224A 0.905A 0.897A 0.396A 60.004 84.836% 0 <6.0 43.17°C 0.952
11.964V 4.973V 3.311V 5.058V 70.755 38.34°C 114.94V
80W 5.714A 1.107A 1.096A 0.495A 79.971 86.269% 0 <6.0 44.1°C 0.963
11.960V 4.972V 3.311V 5.056V 92.704 39.24°C 114.94V

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 1.242A 0.503A 0.498A 0.198A 20.008 78.896% 0 <6.0 44.49°C 0.522
11.969V 4.974V 3.312V 5.063V 25.557 36.74°C 230.07V
40W 2.732A 0.704A 0.697A 0.297A 40.005 84.362% 0 <6.0 45.58°C 0.753
11.967V 4.974V 3.312V 5.061V 47.42 37.64°C 230.07V
60W 4.224A 0.905A 0.897A 0.395A 60.003 87.123% 0 <6.0 46.78°C 0.843
11.964V 4.973V 3.312V 5.059V 68.876 38.54°C 230.07V
80W 5.712A 1.106A 1.096A 0.495A 79.967 89.034% 0 <6.0 48.41°C 0.877
11.962V 4.973V 3.311V 5.057V 89.829 39.36°C 230.07V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load11.60mV8.83mV4.58mV8.46mVPass
20% Load18.93mV8.67mV4.63mV9.32mVPass
30% Load10.53mV8.47mV5.19mV9.07mVPass
40% Load11.09mV8.72mV5.80mV9.99mVPass
50% Load11.65mV9.38mV7.22mV9.42mVPass
60% Load11.65mV9.90mV6.10mV9.88mVPass
70% Load12.72mV10.00mV7.22mV10.24mVPass
80% Load12.77mV11.37mV9.26mV10.80mVPass
90% Load13.69mV10.61mV9.97mV10.60mVPass
100% Load20.73mV11.71mV10.78mV13.98mVPass
110% Load22.76mV12.15mV13.44mV15.05mVPass
Crossload113.87mV13.91mV11.28mV10.41mVPass
Crossload215.88mV11.78mV4.99mV11.11mVPass
Crossload310.99mV11.53mV10.22mV9.78mVPass
Crossload419.58mV9.25mV6.23mV8.39mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load12.92mV8.62mV4.78mV8.35mVPass
20% Load15.52mV8.57mV4.88mV8.25mVPass
30% Load9.92mV8.67mV5.70mV9.32mVPass
40% Load10.58mV10.00mV12.21mV9.17mVPass
50% Load10.99mV9.95mV6.87mV10.34mVPass
60% Load11.70mV10.20mV5.85mV9.58mVPass
70% Load11.91mV9.95mV6.00mV10.34mVPass
80% Load12.97mV10.76mV9.10mV10.55mVPass
90% Load13.38mV10.56mV10.38mV10.50mVPass
100% Load22.97mV12.76mV11.63mV15.01mVPass
110% Load25.26mV12.74mV12.34mV15.62mVPass
Crossload117.65mV14.95mV11.37mV10.01mVPass
Crossload215.67mV12.24mV4.88mV11.06mVPass
Crossload312.06mV13.06mV11.59mV10.60mVPass
Crossload421.73mV10.09mV8.45mV9.35mVPass

The results above are not used in the certification process

Corsair RM750x Shift (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
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