CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
Asus PRIME 750G
Serial Number-
Lab IDAS75003114
Certification ID263114
  • Test Result Report ID: 26PS3114A
  • Certificate Issue Date: Mar 2, 2026
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

DUT Information

BrandAsus
Manufacturer (OEM)CWT (GPX)
SeriesPRIME
Model NumberPRIME-750G
Serial Number-
DUT NotesSome protection features need adjustment.

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)10
Rated Frequency (Hz)47-63
Rated Power (W)750
TypeATX12V
Dimensions (W x H x D)150 x 85 x 150mm
Cooling135mm Dual Ball Bearing Fan (ZFB132512H)
Semi-Passive Operation✗
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps2020622.50.3
Watts11074412.53.6
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)

Modular Cables
Description Cable Count Connector Count (Total) Gauge Cable Type
ATX connector 20+4 pin (600mm) 1 1 18-20AWG Tinned Copper
4+4 pin EPS12V (650mm+150mm) 1 2 18AWG Tinned Copper
6+2 pin PCIe (600mm+150mm) 1 2 18AWG Tinned Copper
12+4 pin PCIe (700mm) (600W) 1 1 16-24AWG Tinned Copper
SATA (400mm+120mm+120mm) 1 3 18AWG Tinned Copper
SATA (400mm+120mm) 1 2 18AWG Tinned Copper
4-pin Molex (400mm+150mm+150mm+150mm) 1 4 18AWG Tinned Copper

Parts Description

General Data
Manufacturer (OEM) CWT
PCB Type Double-Sided
Primary Side
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection 1x NTC Thermistor SCK-056 (5 Ohm @ 20°C) & Relay
Bridge Rectifier
1x Niusabou GBU1506 (1000V, 15A @ 100°C)
APFC MOSFETs
1x CRMicro CRJF125N65G2BF (600V, 17A @ 100°C, Rds(on): 95mOhm)
APFC Boost Diode
1x CRMicro CRXI06D065G2 (650V, 6A @ 167°C)
Bulk Cap(s)
1x Elite (420V, 470uF, 2,000h @ 105°C, PL)
Main Switchers
4x Huajing Discrete Devices CS13N50F (500V, 8.2A @ 100°C, Rds(on): 0.4Ohm)

APFC Controller

Champion CM6500UNX
Sync Power SPN5003 (reducing no load consumption)
Resonant Controller
Champion CM6901X
Topology Primary Side: APFC, Full-Bridge & LLC converter
Secondary Side: Synchronous Rectification & DC-DC converters
Secondary Side
+12V MOSFETs 6x CMR013N045NS
5V & 3.3V DC-DC Converters: 4x UBIQ Semiconductor Corp.QM3054M6 (30V, 61A @ 100°C, Rds(on): 4.8mOhm)
PWM Controller(s): ANPEC APW7159C
Filtering Capacitors

Electrolytic:
3x Elite (4-10000 @ 105°C, EY)
9x Elite (2-5000h @ 105°C, ED)
2x Elite (5000 @ 105°C, PF)
Polymer:
10x Elite, 19x TEAPO
Supervisor IC IN1S429I-DCG
FanPower Switch Unisonic Technologies Co. 2SA928A Transistor
Fan Model ZIC ZFB132512H (135mm, 12V, 0.45A, Double Ball Bearing Fan)
5VSB Circuit
Rectifier
Semi Power ES3GBF (280V, 3A @100°C)
Standby PWM Controller
Power Integrations TNY287PG

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✓
Commission Regulation (EU) No 617/2013 Testing✓

Performance Summary

Efficiency RatingGOLD
Noise RatingStandard++
Average Efficiency (>1450 load combinations)88.808%
Average Noise Output (>1450 Load Combinations)34.36dBA
Average PF (>1450 Load Combinations)0.979
Efficiency With 10W (≤500W) or 2% (>500W) Load67.068%
Standby Power Consumption0.0365W
12V Ripple (Full Load)28.95mV
5V Ripple (Full Load)11.47mV
3.3V Ripple (Full Load)9.87mV
5VSB Ripple (Full Load)15.99mV
12V Load Regulation0.77%
5V Load Regulation1.65%
3.3V Load Regulation2.93%
5VSB Load Regulation2.98%
Inrush Current35.910A
Efficiency RatingGOLD
Noise RatingStandard++
Average Efficiency (>1450 load combinations)90.757%
Average Noise Output (>1450 Load Combinations)33.99dBA
Average PF (>1450 Load Combinations)0.931
Efficiency With 10W (≤500W) or 2% (>500W) Load64.212%
Standby Power Consumption0.0917W
12V Ripple (Full Load)29.10mV
5V Ripple (Full Load)11.48mV
3.3V Ripple (Full Load)9.81mV
5VSB Ripple (Full Load)15.69mV
12V Load Regulation0.76%
5V Load Regulation1.63%
3.3V Load Regulation2.80%
5VSB Load Regulation2.96%
Inrush Current67.290A
12V Transient Response (200%)11.47V
5V Transient Response (200%)5.019V
3.3V Transient Response (200%)3.180V
5VSB Transient Response (200%)5.004V
Hold-Up Time & Power Ok Signal12.80ms
AC Loss to PWR_OK Hold Up Time11.50ms
PWR_OK Inactive to DC Loss Delay1.30ms
PSU Timings: T1 (20% / 100%)28.0ms24.0ms
PSU Timings: T3 (20% / 100%)117.0ms118.0ms
12V OCP (28.5°C / 42.2°C)82.80A (133.55%), 11.947V77.00A (124.19%), 12.041V
5V OCP (28.5°C / 42.2°C)26.5A (132.50%), 5.118V25.4A (127.00%), 5.121V
3.3V OCP (28.5°C / 42.2°C)28.6A (143.00%), 3.243V28.5A (142.50%), 3.244V
5VSB OCP (28.5°C / 42.2°C)3.7A (148.00%), 5.02V3.8A (152.00%), 5.01V
OPP (29.29°C / 41.72°C)128.72%123.93%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)12.8
AC Loss to PWR_OK Hold Up Time (ms)11.5
PWR_OK Inactive to DC Loss Delay (ms)1.3

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.05 V 115.03 V 113.85 V 115.07 V 116.15 V PASS
Mains Frequency: 60.00 Hz 60.00 Hz 59.40 Hz 60.01 Hz 60.60 Hz PASS
Mains Voltage CF: 1.416 1.415 1.340 1.416 1.490 PASS
Mains Voltage THD: 0.13 % 0.11 % N/A 0.15 % 2.00 % PASS
Real Power: 0.036 W -0.005 W N/A 0.070 W N/A N/A
Apparent Power: 10.451 W 10.431 W N/A 10.471 W N/A N/A
Power Factor: 0.005 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 230.10 V 230.07 V 227.70 V 230.10 V 232.30 V PASS
Mains Frequency: 50.00 Hz 50.00 Hz 49.50 Hz 50.00 Hz 50.50 Hz PASS
Mains Voltage CF: 1.415 1.415 1.340 1.416 1.490 PASS
Mains Voltage THD: 0.14 % 0.13 % N/A 0.16 % 2.00 % PASS
Real Power: 0.092 W 0.052 W N/A 0.159 W N/A N/A
Apparent Power: 34.217 W 34.183 W N/A 34.255 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

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 0.232W 70.797% 0.032
5.131V 0.329W 114.95V
2 0.09A 0.462W 75.971% 0.059
5.128V 0.607W 114.94V
3 0.55A 2.815W 81.113% 0.262
5.116V 3.471W 114.95V
4 1A 5.106W 78.88% 0.359
5.103V 6.473W 114.94V
5 1.5A 7.635W 78.522% 0.414
5.088V 9.725W 114.94V
6 2.501A 12.652W 76.581% 0.469
5.059V 16.521W 114.93V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231W 58.256% 0.012
5.129V 0.397W 230.02V
2 0.09A 0.462W 68.34% 0.02
5.128V 0.677W 230.02V
3 0.55A 2.815W 77.743% 0.102
5.116V 3.621W 230.02V
4 1A 5.104W 79.531% 0.168
5.103V 6.418W 230.02V
5 1.5A 7.633W 79.601% 0.227
5.087V 9.592W 230.01V
6 2.501A 12.651W 79.049% 0.305
5.059V 16.004W 230.02V

Protection Features

OCP (Normal @ 28.5°C)12V: 82.80A (133.55%), 11.947V
5V: 26.5A (132.50%), 5.118V
3.3V: 28.6A (143.00%), 3.243V
5VSB: 3.7A (148.00%), 5.02V
OCP (Hot @ 42.2°C)12V: 77.00A (124.19%), 12.041V
5V: 25.4A (127.00%), 5.121V
3.3V: 28.5A (142.50%), 3.244V
5VSB: 3.8A (152.00%), 5.01V
OPP (Normal @ 29.3°C)965.43W (128.72%)
OPP (Hot @ 41.7°C)929.45W (123.93%)
OTP✓ (172°C @ 12V Heatsink)
SCP12V to Earth: ✓
5V to Earth: ✓
3.3V to Earth: ✓
5VSB to Earth: ✓
-12V 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% 4.439A 1.938A 1.985A 0.982A 75.008 86.613% 785 23.2 40.06°C 0.958
12.031V 5.162V 3.326V 5.091V 86.601 44°C 114.93V
20% 9.904A 2.912A 2.986A 1.182A 149.968 90.095% 788 23.2 40.84°C 0.975
12.022V 5.153V 3.315V 5.077V 166.453 45.82°C 114.91V
30% 15.726A 3.402A 3.492A 1.383A 224.978 91.016% 789 23.2 41.13°C 0.98
12.013V 5.146V 3.308V 5.063V 247.187 47.38°C 114.89V
40% 21.565A 3.893A 4.001A 1.585A 300.071 91.001% 790 23.3 41.88°C 0.984
12.004V 5.139V 3.3V 5.05V 329.742 49.91°C 114.87V
50% 27.030A 4.874A 5.016A 1.788A 374.714 90.824% 792 23.4 42.25°C 0.984
11.995V 5.13V 3.29V 5.035V 412.57 52.53°C 114.84V
60% 32.527A 5.858A 6.037A 1.992A 449.637 90.287% 793 23.4 42.6°C 0.982
11.985V 5.123V 3.28V 5.021V 498.008 54.72°C 114.82V
70% 38.035A 6.847A 7.065A 2.198A 524.578 89.58% 1014 31.2 43.35°C 0.983
11.975V 5.114V 3.27V 5.006V 585.596 56.88°C 114.8V
80% 43.620A 7.839A 8.1A 2.303A 599.792 88.675% 1160 32.7 43.88°C 0.984
11.964V 5.104V 3.259V 4.995V 676.392 55.42°C 114.78V
90% 49.551A 8.341A 8.612A 2.408A 674.832 87.916% 2015 48.4 44.47°C 0.985
11.954V 5.096V 3.251V 4.984V 767.589 55.37°C 114.75V
100% 55.491A 8.845A 9.161A 2.514A 749.962 87.098% 2234 51.1 45.48°C 0.986
11.944V 5.088V 3.242V 4.973V 861.056 57.15°C 114.73V
110% 61.107A 9.846A 10.303A 2.519A 824.991 86.134% 2224 51 47.17°C 0.987
11.933V 5.079V 3.232V 4.963V 957.796 60.47°C 114.7V
CL1 0.117A 12.92A 13.333A 0A 111.314 82.737% 796 23.6 41.3°C 0.971
12.020V 5.124V 3.278V 5.102V 134.541 52.45°C 114.91V
CL2 0.116A 19.483A 0A 0A 101.405 80.886% 805 23.9 40.74°C 0.969
12.028V 5.133V 3.315V 5.11V 125.369 49.84°C 114.91V
CL3 0.116A 0A 20.154A 0A 67.399 75.292% 782 23.2 41.05°C 0.96
12.026V 5.147V 3.274V 5.109V 89.519 48.63°C 114.92V
CL4 62.718A 0A 0A 0A 749.833 88.052% 2251 50.9 45.79°C 0.986
11.956V 5.125V 3.284V 5.058V 851.583 56.62°C 114.73V

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% 4.440A 1.938A 1.985A 0.982A 75.013 87.344% 786 23.2 40.22°C 0.786
12.031V 5.162V 3.326V 5.092V 85.884 43.49°C 230.01V
20% 9.906A 2.912A 2.986A 1.182A 149.988 91.196% 789 23.2 40.74°C 0.894
12.021V 5.153V 3.316V 5.077V 164.467 45.73°C 230V
30% 15.728A 3.402A 3.491A 1.383A 225.003 92.318% 789 23.2 41.41°C 0.928
12.013V 5.146V 3.309V 5.064V 243.725 46.78°C 230V
40% 21.567A 3.893A 3.999A 1.584A 300.101 92.661% 789 23.2 41.99°C 0.943
12.004V 5.139V 3.301V 5.051V 323.867 47.22°C 229.99V
50% 27.037A 4.874A 5.013A 1.788A 374.796 92.595% 789 23.2 42.32°C 0.95
11.994V 5.131V 3.292V 5.036V 404.767 48.09°C 229.98V
60% 32.534A 5.858A 6.033A 1.992A 449.711 92.364% 794 23.4 42.84°C 0.955
11.984V 5.123V 3.283V 5.023V 486.896 51.94°C 229.97V
70% 38.037A 6.846A 7.06A 2.198A 524.653 91.898% 1191 33.5 43°C 0.96
11.976V 5.115V 3.273V 5.006V 570.91 55.05°C 229.97V
80% 43.622A 7.838A 8.093A 2.303A 599.865 91.26% 1621 43.4 43.73°C 0.963
11.965V 5.105V 3.262V 4.995V 657.317 53.22°C 229.95V
90% 49.553A 8.34A 8.605A 2.408A 674.906 90.791% 2035 48.6 44.73°C 0.965
11.955V 5.097V 3.254V 4.985V 743.368 53.01°C 229.94V
100% 55.490A 8.843A 9.151A 2.514A 750.033 90.301% 2234 51.1 45.65°C 0.967
11.945V 5.09V 3.246V 4.974V 830.592 53.29°C 229.93V
110% 61.107A 9.843A 10.291A 2.518A 825.059 89.737% 2226 51 46.02°C 0.969
11.934V 5.081V 3.236V 4.965V 919.425 54.75°C 229.92V
CL1 0.117A 12.918A 13.316A 0A 111.319 83.811% 799 23.8 42.97°C 0.866
12.020V 5.125V 3.282V 5.103V 132.824 51.52°C 230V
CL2 0.117A 19.481A 0A 0A 101.407 81.812% 806 23.9 41.94°C 0.856
12.029V 5.133V 3.316V 5.11V 123.95 49.84°C 230.01V
CL3 0.116A 0A 20.119A 0A 67.402 75.959% 782 23.2 41.13°C 0.793
12.026V 5.147V 3.28V 5.109V 88.736 48.27°C 230.01V
CL4 62.718A 0A 0A 0A 749.885 91.289% 2250 50.9 44.32°C 0.967
11.957V 5.126V 3.285V 5.06V 821.446 51.99°C 229.93V

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 1.234A 0.483A 0.495A 0.195A 20.007 71.319% 772 22.8 36.86°C 0.815
12.036V 5.172V 3.337V 5.121V 28.052 39.1°C 114.95V
40W 2.716A 0.677A 0.693A 0.293A 40.005 81.656% 773 22.8 37.32°C 0.912
12.035V 5.169V 3.334V 5.117V 48.991 40.27°C 114.95V
60W 4.200A 0.871A 0.891A 0.391A 60.003 85.246% 776 22.9 38.33°C 0.945
12.033V 5.167V 3.332V 5.112V 70.388 41.85°C 114.94V
80W 5.680A 1.065A 1.09A 0.49A 79.966 87.682% 780 23.1 39.28°C 0.961
12.031V 5.165V 3.329V 5.106V 91.204 43.13°C 114.93V

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 1.235A 0.483A 0.495A 0.195A 20.017 71.557% 778 23 36.08°C 0.455
12.036V 5.173V 3.337V 5.121V 27.975 39.61°C 230.02V
40W 2.718A 0.677A 0.693A 0.293A 40.011 81.916% 781 23.2 37.8°C 0.625
12.034V 5.169V 3.334V 5.117V 48.845 41.14°C 230.02V
60W 4.200A 0.871A 0.892A 0.391A 60.009 85.987% 783 23.2 38.81°C 0.733
12.032V 5.167V 3.331V 5.112V 69.789 41.92°C 230.01V
80W 5.682A 1.065A 1.091A 0.49A 79.982 88.523% 784 23.2 39.11°C 0.797
12.030V 5.165V 3.329V 5.107V 90.352 42.42°C 230.01V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load21.22mV10.56mV5.39mV10.19mVPass
20% Load25.95mV10.30mV5.55mV15.34mVPass
30% Load32.67mV10.20mV5.59mV14.73mVPass
40% Load29.92mV10.56mV6.20mV16.15mVPass
50% Load24.99mV10.56mV5.69mV18.03mVPass
60% Load23.15mV10.51mV5.80mV24.20mVPass
70% Load23.35mV10.46mV6.05mV14.52mVPass
80% Load25.09mV11.07mV9.56mV14.52mVPass
90% Load28.70mV11.58mV10.02mV17.02mVPass
100% Load28.95mV11.47mV9.87mV15.99mVPass
110% Load30.18mV12.50mV10.22mV16.71mVPass
Crossload129.76mV12.09mV10.53mV10.09mVPass
Crossload227.27mV13.26mV5.34mV10.75mVPass
Crossload323.61mV10.51mV23.75mV8.91mVPass
Crossload428.04mV10.15mV5.90mV12.63mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load20.45mV9.85mV5.14mV11.00mVPass
20% Load25.14mV10.00mV5.08mV9.58mVPass
30% Load28.24mV9.95mV5.24mV14.93mVPass
40% Load30.02mV10.40mV5.75mV16.46mVPass
50% Load25.75mV10.35mV6.26mV18.04mVPass
60% Load23.66mV10.25mV5.95mV24.50mVPass
70% Load23.15mV10.56mV5.85mV14.32mVPass
80% Load24.88mV10.71mV9.56mV14.83mVPass
90% Load28.19mV11.22mV10.17mV16.92mVPass
100% Load29.10mV11.48mV9.81mV15.69mVPass
110% Load29.31mV12.45mV10.43mV16.05mVPass
Crossload127.78mV10.81mV10.68mV10.39mVPass
Crossload226.66mV13.01mV5.08mV10.80mVPass
Crossload323.36mV10.51mV13.02mV8.91mVPass
Crossload428.39mV10.66mV6.36mV12.63mVPass

The results above are not used in the certification process

Asus PRIME 750G

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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