Cooler Master GXII 750W (ATX v3.1) (MWE Gold 750 V3)

Serial NumberPS57513CD240220044BA1GZ

Lab IDCM75002512

Certification ID252512

Test Result Report ID: 24PS2512A
Certificate Issue Date: Jul 31, 2024

	115V	230V
Scheme: ETA-EMI PSU

115V	230V
		Scheme: LAMBDA PSU

Outside Validation Scope

Aristeidis Bitziopoulos, Certification Body General Manager

General Information

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

DUT Information(Non-accredited measurements)

Product Identification Details
Brand	Cooler Master
Model	GXII 750W (ATX v3.1) (MWE Gold 750 V3)
OEM/ODM	Lite-on
Serial Number	PS57513CD240220044BA1GZ
Product Specifications
Manufacturer-Provided Information
Rated Voltage (Vrms)	100-240
Rated Current (Arms)	10-5
Rated Frequency (Hz)	50-60
Rated Power (W)	750
Operating Temperature (Continuous Full Load) (°C)
Type	ATX12V
Cable Design	Fully Modular
Warranty	-
Cybenetics Measurements
Dimensions (W x H x D)
Weight
Cooling	120mm Fluid Dynamic Bearing Fan (HA1225H12F-Z)
Semi-Passive Operation	✓
Cybenetics Testing Information
Lab ID	CM75002512
Date of receipt	Jun 25, 2024
Testing Date	Jul 22, 2024
Report Issued Date	Jul 31, 2024
Engineer Name	-
Authorized By the Laboratory Technical Manager	Aristeidis Bitziopoulos
Signature

Cables and Connectors(Non-accredited measurements)

Modular Cables
Description	Cable Count	Connector Count (Total)	Gauge	In Cable Capacitors
ATX connector 24 pin (610mm)	1	1	18-22AWG	No
4+4 pin EPS12V (600mm)	1	1	18AWG	No
8 pin EPS12V (600mm)	1	1	18AWG	No
6+2 pin PCIe (550mm)	3	3	16-18AWG	No
12+4 pin PCIe (650mm) (600W)	1	1	16-28AWG	No
SATA (550mm+120mm+120mm+120mm)	2	8	20AWG	No
4-pin Molex (500mm+120mm+120mm+120mm)	1	4	20AWG	No
AC Power Cord (1385mm) - C13 coupler	1	1	18AWG	-

Protection Features(Manufacturer)

Under Voltage Protection	✓
Over Power Protection	✓
Over Current (+12V) Protection	✓
Over Temperature Protection	✓
Short Circuit Protection	✓
Surge Protection	✓
Inrush Current Protection	✗

Power Specifications

Rail		3.3V	5V	12V	5VSB	-12V
Max. Power	Amps	20	20	62.5	3	0.3
Max. Power	Watts	120		750	15	3.6
Total Max. Power (W)		750

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

Accredited
Average Efficiency (>1450 load combinations)	89.246%
Average Noise Output (>1450 Load Combinations)	24.27dBA
Average PF (>1450 Load Combinations)	0.989
Efficiency With 10W (≤500W) or 2% (>500W) Load	80.816%
Standby Power Consumption	0.0921W
Non-Accredited
12V Ripple (Full Load)	65.50mV
5V Ripple (Full Load)	18.81mV
3.3V Ripple (Full Load)	17.44mV
5VSB Ripple (Full Load)	15.46mV
12V Load Regulation	0.55%
5V Load Regulation	1.84%
3.3V Load Regulation	3.64%
5VSB Load Regulation	4.15%
Inrush Current	13.950A

Accredited
Average Efficiency (>1450 load combinations)	91.616%
Average Noise Output (>1450 Load Combinations)	24.18dBA
Average PF (>1450 Load Combinations)	0.976
Efficiency With 10W (≤500W) or 2% (>500W) Load	77.328%
Standby Power Consumption	0.1331W
Non-Accredited
12V Ripple (Full Load)	58.91mV
5V Ripple (Full Load)	18.04mV
3.3V Ripple (Full Load)	17.04mV
5VSB Ripple (Full Load)	14.78mV
12V Load Regulation	0.57%
5V Load Regulation	1.90%
3.3V Load Regulation	3.68%
5VSB Load Regulation	4.17%
Inrush Current	Too low to detect
12V Transient Response (200%)	11.15V
5V Transient Response (200%)	4.839V
3.3V Transient Response (200%)	3.170V
5VSB Transient Response (200%)	4.939V
Hold-Up Time & PWR_OK Signal	22.70ms
AC Loss to PWR_OK Hold Up Time	19.00ms
PWR_OK Inactive to DC Loss Delay	3.70ms
PSU Timings: T1 (20% / 100%)	62.5ms	61.0ms
PSU Timings: T3 (20% / 100%)	122.2ms	122.6ms
OPP (21.77°C / 0.00°C)	143.29%	0.00%

Hold-Up Time & PWR_OK Signal

Hold-Up Time (ms)	22.7
AC Loss to PWR_OK Hold Up Time (ms)	19
PWR_OK Inactive to DC Loss Delay (ms)	3.7

待機電源消耗

Tables

Detailed Results
	Average	Min	Limit Min	Max	Limit Max	Result
Mains Voltage RMS:	115.08 V	115.04 V	113.85 V	115.12 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	0.17 %	2.00 %	PASS
Real Power:	0.092 W	0.012 W	N/A	0.114 W	N/A	N/A
Apparent Power:	7.873 W	7.449 W	N/A	8.307 W	N/A	N/A
Power Factor:	0.012	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	230.92 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	1.417	1.340	1.419	1.490	PASS
Mains Voltage THD:	0.17 %	0.15 %	N/A	0.28 %	2.00 %	PASS
Real Power:	0.133 W	0.108 W	N/A	0.194 W	N/A	N/A
Apparent Power:	25.690 W	25.082 W	N/A	26.354 W	N/A	N/A
Power Factor:	0.005	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 EN 55032 & CISPR 32

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	0.231W	62.579%	0.048
1	5.149V	0.37W	62.579%	114.87V
2	0.09A	0.463W	72.371%	0.081
2	5.147V	0.639W	72.371%	114.87V
3	0.55A	2.819W	82.967%	0.262
3	5.127V	3.398W	82.967%	114.87V
4	1A	5.107W	83.159%	0.319
4	5.108V	6.142W	83.159%	114.87V
5	1.5A	7.63W	83.046%	0.348
5	5.088V	9.189W	83.046%	114.86V
6	2.999A	15.075W	81.669%	0.39
6	5.026V	18.458W	81.669%	114.86V

Test #	5VSB	DC/AC (Watts)	Efficiency	PF/AC Volts
1	0.045A	0.231W	56.096%	0.016
1	5.148V	0.413W	56.096%	229.94V
2	0.09A	0.463W	67.523%	0.027
2	5.146V	0.688W	67.523%	229.94V
3	0.55A	2.819W	81.287%	0.123
3	5.127V	3.469W	81.287%	229.94V
4	1A	5.107W	82.786%	0.187
4	5.107V	6.169W	82.786%	229.94V
5	1.5A	7.629W	82.968%	0.238
5	5.086V	9.192W	82.968%	229.94V
6	3A	15.071W	82.486%	0.315
6	5.024V	18.271W	82.486%	229.94V

Protection Features

OCP (Cold @ -°C)	-
OCP (Hot) @ -°C)	-
OPP (Cold @ 21.8°C)	1074.66W (143.29%)
OPP (Hot @ -°C)	-
OTP	✓ (126°C @ Heat Sink)
SCP	12V to Earth: ✓ 5V to Earth: ✓ 3.3V to Earth: ✓ 5VSB to Earth: ✓ -12V to Earth: ✓
PWR_OK	Proper Operation
NLO	✓
Fan Failure Protection	✗
SIP	Surge: MOV Inrush: None

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%	4.420A	1.97A	1.972A	0.98A	74.997	90.276%	0	<6.0	44.49°C	0.96
10%	12.083V	5.076V	3.347V	5.104V	83.093	90.276%	0	<6.0	40.31°C	114.85V
20%	9.856A	2.961A	2.969A	1.179A	149.924	92.216%	0	<6.0	45.2°C	0.978
20%	12.077V	5.066V	3.335V	5.087V	162.562	92.216%	0	<6.0	40.52°C	114.83V
30%	15.646A	3.46A	3.475A	1.38A	224.922	92.479%	0	<6.0	47.37°C	0.986
30%	12.072V	5.057V	3.324V	5.072V	243.181	92.479%	0	<6.0	41.47°C	114.8V
40%	21.449A	3.962A	3.984A	1.582A	300.005	92.049%	0	<6.0	49.99°C	0.991
40%	12.066V	5.048V	3.313V	5.055V	325.646	92.049%	0	<6.0	41.85°C	114.69V
50%	26.859A	4.962A	4.999A	1.787A	374.389	91.081%	1262	25.6	42.41°C	0.993
50%	12.059V	5.039V	3.301V	5.037V	411.048	91.081%	1262	25.6	47.26°C	114.75V
60%	32.320A	5.965A	6.022A	1.993A	449.3	90.357%	1262	25.6	42.67°C	0.995
60%	12.051V	5.03V	3.288V	5.019V	496.857	90.357%	1262	25.6	48.15°C	114.64V
70%	37.789A	6.974A	7.053A	2.2A	524.233	89.401%	1264	25.7	43.11°C	0.996
70%	12.044V	5.02V	3.275V	5.001V	584.847	89.401%	1264	25.7	50.4°C	114.44V
80%	43.331A	7.984A	8.092A	2.306A	599.432	88.204%	1314	27.2	43.98°C	0.996
80%	12.036V	5.01V	3.262V	4.987V	679.568	88.204%	1314	27.2	49.87°C	114.66V
90%	49.214A	8.498A	8.611A	2.413A	674.481	87.115%	2555	45.4	44.5°C	0.997
90%	12.029V	5.001V	3.251V	4.974V	774.302	87.115%	2555	45.4	49.97°C	114.64V
100%	54.902A	9.014A	9.167A	3.038A	749.695	86.061%	2864	48.5	45.11°C	0.997
100%	12.021V	4.992V	3.24V	4.938V	870.431	86.061%	2864	48.5	51.41°C	114.52V
110%	60.466A	10.036A	10.321A	3.044A	824.705	84.821%	2863	48.5	46.1°C	0.997
110%	12.013V	4.982V	3.226V	4.928V	971.475	84.821%	2863	48.5	53.82°C	114.4V
CL1	0.115A	14.309A	14.487A	0A	121.287	84.989%	0	<6.0	52.43°C	0.975
CL1	12.068V	5.046V	3.292V	5.129V	142.703	84.989%	0	<6.0	40.78°C	114.83V
CL2	0.114A	19.775A	0A	0A	101.356	83.83%	0	<6.0	52.27°C	0.97
CL2	12.080V	5.055V	3.322V	5.141V	120.9	83.83%	0	<6.0	40.32°C	114.84V
CL3	0.114A	0A	20.087A	0A	67.377	77.385%	0	<6.0	52.72°C	0.961
CL3	12.077V	5.024V	3.285V	5.137V	87.076	77.385%	0	<6.0	40.52°C	114.85V
CL4	62.259A	0A	0A	0A	749.488	86.826%	2860	48.5	45.32°C	0.997
CL4	12.038V	4.996V	3.27V	5.085V	861.712	86.826%	2860	48.5	51.55°C	114.43V

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%	4.418A	1.969A	1.974A	0.979A	74.991	91.261%	0	<6.0	45.13°C	0.927
10%	12.085V	5.077V	3.344V	5.105V	82.153	91.261%	0	<6.0	40.19°C	229.93V
20%	9.853A	2.96A	2.971A	1.179A	149.909	93.499%	0	<6.0	46.65°C	0.962
20%	12.079V	5.068V	3.332V	5.088V	160.333	93.499%	0	<6.0	40.78°C	229.92V
30%	15.643A	3.459A	3.478A	1.38A	224.904	93.941%	0	<6.0	48.52°C	0.971
30%	12.073V	5.058V	3.321V	5.072V	239.45	93.941%	0	<6.0	41.47°C	229.9V
40%	21.447A	3.961A	3.988A	1.582A	299.986	93.876%	0	<6.0	51.43°C	0.977
40%	12.066V	5.049V	3.31V	5.055V	319.56	93.876%	0	<6.0	41.71°C	229.89V
50%	26.851A	4.96A	5.004A	1.787A	374.316	93.196%	1262	25.6	42.42°C	0.983
50%	12.059V	5.04V	3.298V	5.037V	401.646	93.196%	1262	25.6	46.64°C	229.88V
60%	32.314A	5.963A	6.028A	1.992A	449.228	92.779%	1262	25.6	42.87°C	0.986
60%	12.051V	5.031V	3.285V	5.019V	484.193	92.779%	1262	25.6	47.5°C	229.87V
70%	37.784A	6.972A	7.061A	2.199A	524.168	92.205%	1630	33.1	43.27°C	0.988
70%	12.044V	5.021V	3.272V	5V	568.534	92.205%	1630	33.1	48.91°C	229.86V
80%	43.329A	7.983A	8.102A	2.306A	599.387	91.546%	1933	37.7	43.56°C	0.99
80%	12.036V	5.01V	3.258V	4.986V	654.749	91.546%	1933	37.7	48.89°C	229.84V
90%	49.215A	8.499A	8.622A	2.413A	674.451	90.847%	2403	43.7	44.15°C	0.992
90%	12.028V	5V	3.247V	4.973V	742.394	90.847%	2403	43.7	49.53°C	229.83V
100%	54.905A	9.017A	9.179A	3.038A	749.671	89.997%	2862	48.5	45.17°C	0.993
100%	12.020V	4.99V	3.236V	4.937V	833.018	89.997%	2862	48.5	49.9°C	229.82V
110%	60.471A	10.04A	10.335A	3.044A	824.691	89.243%	2859	48.5	46.56°C	0.994
110%	12.012V	4.98V	3.222V	4.927V	924.15	89.243%	2859	48.5	52.26°C	229.81V
CL1	0.114A	14.312A	14.501A	0A	121.284	86.039%	0	<6.0	48.62°C	0.958
CL1	12.067V	5.045V	3.289V	5.129V	140.979	86.039%	0	<6.0	40.43°C	229.93V
CL2	0.114A	19.777A	0A	0A	101.351	84.919%	0	<6.0	50.94°C	0.951
CL2	12.079V	5.055V	3.32V	5.14V	119.375	84.919%	0	<6.0	40.75°C	229.93V
CL3	0.114A	0A	20.101A	0A	67.375	78.28%	0	<6.0	51.76°C	0.931
CL3	12.076V	5.027V	3.283V	5.137V	86.031	78.28%	0	<6.0	40.57°C	229.93V
CL4	62.263A	0A	0A	0A	749.481	90.868%	2857	48.5	45.55°C	0.993
CL4	12.037V	4.998V	3.268V	5.084V	824.767	90.868%	2857	48.5	50.15°C	229.82V

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	1.228A	0.492A	0.491A	0.194A	19.994	82.444%	0	<6.0	39.61°C	0.898
20W	12.087V	5.084V	3.358V	5.143V	24.284	82.444%	0	<6.0	36.57°C	114.86V
40W	2.704A	0.689A	0.688A	0.292A	39.995	87.176%	0	<6.0	40.21°C	0.941
40W	12.085V	5.082V	3.355V	5.138V	45.915	87.176%	0	<6.0	37.08°C	114.86V
60W	4.181A	0.886A	0.886A	0.39A	59.995	89.501%	0	<6.0	41.83°C	0.953
60W	12.084V	5.079V	3.352V	5.132V	67.014	89.501%	0	<6.0	38.24°C	114.86V
80W	5.652A	1.083A	1.084A	0.488A	79.934	91.067%	0	<6.0	42.95°C	0.961
80W	12.084V	5.076V	3.349V	5.126V	87.787	91.067%	0	<6.0	39.1°C	114.84V

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	1.228A	0.492A	0.492A	0.194A	19.989	80.501%	0	<6.0	39.52°C	0.571
20W	12.088V	5.085V	3.355V	5.143V	24.384	80.501%	0	<6.0	36.44°C	229.95V
40W	2.704A	0.689A	0.689A	0.292A	39.989	88.283%	0	<6.0	40.64°C	0.824
40W	12.087V	5.083V	3.352V	5.138V	45.342	88.283%	0	<6.0	37.38°C	229.94V
60W	4.180A	0.886A	0.887A	0.39A	59.989	90.663%	0	<6.0	42.14°C	0.903
60W	12.086V	5.08V	3.35V	5.132V	66.184	90.663%	0	<6.0	38.38°C	229.93V
80W	5.651A	1.083A	1.085A	0.488A	79.922	92.242%	0	<6.0	43.17°C	0.932
80W	12.085V	5.078V	3.347V	5.126V	86.698	92.242%	0	<6.0	39.11°C	229.92V

The results above are not used in the certification process

Ripple Measurements

Test	12V	5V	3.3V	5VSB	Pass/Fail
10% Load	25.26mV	12.62mV	11.58mV	7.85mV	Pass
20% Load	25.62mV	12.21mV	11.43mV	8.15mV	Pass
30% Load	27.07mV	12.57mV	12.31mV	8.62mV	Pass
40% Load	28.67mV	14.68mV	12.51mV	8.52mV	Pass
50% Load	30.47mV	13.39mV	16.81mV	8.73mV	Pass
60% Load	33.51mV	13.91mV	19.70mV	9.08mV	Pass
70% Load	34.59mV	14.22mV	14.53mV	10.48mV	Pass
80% Load	36.04mV	14.22mV	14.63mV	10.53mV	Pass
90% Load	39.03mV	14.99mV	16.24mV	11.46mV	Pass
100% Load	65.50mV	18.81mV	17.44mV	15.46mV	Pass
110% Load	51.18mV	16.60mV	18.52mV	16.29mV	Pass
Crossload1	37.02mV	15.46mV	15.16mV	17.62mV	Pass
Crossload2	32.64mV	20.20mV	13.39mV	18.74mV	Pass
Crossload3	34.44mV	14.63mV	16.44mV	18.58mV	Pass
Crossload4	48.38mV	15.53mV	15.72mV	18.34mV	Pass

The results above are not used in the certification process

Test	12V	5V	3.3V	5VSB	Pass/Fail
10% Load	24.54mV	14.01mV	12.57mV	8.62mV	Pass
20% Load	24.33mV	13.19mV	12.77mV	8.83mV	Pass
30% Load	26.86mV	13.70mV	12.36mV	9.09mV	Pass
40% Load	28.97mV	14.37mV	14.01mV	8.88mV	Pass
50% Load	30.42mV	13.65mV	17.11mV	8.93mV	Pass
60% Load	32.33mV	14.32mV	18.41mV	9.45mV	Pass
70% Load	34.39mV	13.96mV	15.00mV	9.86mV	Pass
80% Load	37.43mV	14.27mV	14.94mV	10.63mV	Pass
90% Load	49.39mV	16.48mV	16.34mV	11.36mV	Pass
100% Load	58.91mV	18.04mV	17.04mV	14.78mV	Pass
110% Load	53.16mV	16.97mV	18.71mV	15.84mV	Pass
Crossload1	35.81mV	15.47mV	14.64mV	17.40mV	Pass
Crossload2	32.33mV	19.47mV	12.83mV	18.07mV	Pass
Crossload3	32.28mV	13.29mV	16.65mV	18.43mV	Pass
Crossload4	55.49mV	18.56mV	15.77mV	17.88mV	Pass

The results above are not used in the certification process

Cooler Master GXII 750W (ATX v3.1) (MWE Gold 750 V3)

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Power specifications label