CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
Seasonic Focus GX-750 ATX3.1
Serial NumberA582390045
Lab IDSS75003203
Certification ID263203
  • Test Result Report ID: 26PS3203A
  • Certificate Issue Date: Apr 2, 2026
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Outside Validation Scope
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

Main Specs

Product Identification Details
BrandSeasonic
ModelFocus GX-750 ATX3.1
OEMSeasonic
Serial NumberA582390045
Product Specifications
Manufacturer
Rated Voltage (Vrms)100-240
Rated Current (Arms)5-10
Rated Frequency (Hz)50-60
Rated Power (W)750
Operating Temperature (Continuous Full Load) (°C)0 - 50
TypeATX12V
Cable DesignFully Modular
Warranty10 Years
Cybenetics
Dimensions (W x H x D)150 x 85 x 140mm
Weight1.60 kg (3.53 lb)
Cooling135mm Fluid Dynamic Bearing Fan (HA13525H12SF-Z)
Semi-Passive Operation✓ (selectable)
Cybenetics Testing Information
Lab IDSS75003203
Date of receiptFeb 4, 2026
Testing DateMar 31, 2026
Report Issued DateApr 2, 2026
Engineer NameGeorgios Theodoros Sarimpalas
Authorized By the Laboratory Technical ManagerAristeidis Bitziopoulos
Signature

Cables and Connectors(Non-accredited measurements)

Modular Cables
Description Cable Count Connector Count (Total) Gauge Cable Type
ATX connector 20+4 pin (610mm) 1 1 16-18AWG Tinned Copper
4+4 pin EPS12V (750mm) 2 2 16AWG Tinned Copper
6+2 pin PCIe (750mm) 1 1 16AWG Tinned Copper
2x 6+2 pin PCIe (700mm) 2 2 16-18AWG Tinned Copper
12+4 pin PCIe (700mm) (600W) 1 1 16-28AWG Tinned Copper
SATA (500mm+150mm+150mm+150mm) 2 8 18AWG Tinned Copper
4-pin Molex (450mm+120mm+120mm) 1 3 18AWG Tinned Copper

Protection Features(Non-accredited measurements)

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

Power Specifications(Manufacturer)

Rail3.3V5V12V5VSB-12V
Max. PowerAmps20206230.3
Watts100744153.6
Total Max. Power (W)750

Parts Description

General Data
Manufacturer (OEM) Seasonic
PCB Type Double-Sided
Primary Side
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection NTC Thermistor MF72 5D-20L (5 Ohm @ 25°C) & Relay
Bridge Rectifier 2x GBU-1508 (800V, 15A @ 100°C)
APFC MOSFETs 2x Alpha & Omega AOB190A60C (600V, 12A @ 100°C, Rds(on): 0.19 Ohm)
APFC Boost Diode Infineon IDH08G65C5 (650V, 8A @ 145°C)
Bulk Cap(s) Nippon Chemi-Con (420V, 560uF, 2000h @ 105°C, KMR )
Main Switchers 4x Alpha & Omega AOB280A60L (600V, 9A @ 100°C, Rds(on): 0.28 Ohm)

APFC Controller

Champion CM6500UNX

Resonant Controller Champion CM6901T6X
Topology Primary side: APFC, Full-Bridge & LLC Resonant Converter
Secondary side: [12V] Synchronous Rectification & [Minor Rails] DC-DC converters
Secondary Side
+12V MOSFETs 4x Nexperia PSMN1R4-40YLD (40V, 240A @ 25°C, Rds(on): 1.4 mOhm)
5V & 3.3V DC-DC Converters: 4x Nexperia PSMN4R0-30YLD (30V, 95A @ 25°C, Rds(on): 4 mOhm)
PWM Controller(s): uPI Semi uP3861P
Filtering Capacitors

Electrolytic:
3x Nippon Chemi-Con (1-5,000h @ 105°C,  KZE )
4x Nippon Chemi-Con (1-5,000h @ 105°C, W)
4x Rubycon (3-6,000h @ 105°C,  YXG )
1x Rubycon (3-6,000h @ 105°C, YXS )
Polymer:
24x Nippon Chemi-Con, 3x Nichicon (FPCAP)

Supervisor IC Weltrend WT7527RA  (OVP, UVP, OCP, SCP, PG)
Fan Controller / Micro Controller Nuvoton M031FB0AE
Fan Model Hong Hua HA13525H12SF-Z (135mm, 12V, 0.50A, Fluid Dynamic Bearing Fan)
5VSB Circuit
Rectifier Dongke DK5V45R10S (45V, 10mOhm)
Standby PWM Controller Excelliance MOS  EM8569C

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)89.829%
Average Noise Output (>1450 Load Combinations)18.12dBA
Average PF (>1450 Load Combinations)0.983
Efficiency With 10W (≤500W) or 2% (>500W) Load61.323%
Standby Power Consumption0.0475W
Non-Accredited
12V Ripple (Full Load)27.94mV
5V Ripple (Full Load)10.97mV
3.3V Ripple (Full Load)10.48mV
5VSB Ripple (Full Load)11.46mV
12V Load Regulation0.10%
5V Load Regulation0.34%
3.3V Load Regulation0.64%
5VSB Load Regulation3.52%
Inrush Current24.420A
Accredited
Average Efficiency (>1450 load combinations)91.565%
Average Noise Output (>1450 Load Combinations)17.95dBA
Average PF (>1450 Load Combinations)0.947
Efficiency With 10W (≤500W) or 2% (>500W) Load61.488%
Standby Power Consumption0.1145W
Non-Accredited
12V Ripple (Full Load)29.21mV
5V Ripple (Full Load)11.33mV
3.3V Ripple (Full Load)10.83mV
5VSB Ripple (Full Load)15.13mV
12V Load Regulation0.05%
5V Load Regulation0.28%
3.3V Load Regulation0.70%
5VSB Load Regulation3.50%
Inrush Current47.810A
12V Transient Response (200%)11.61V
5V Transient Response (200%)4.934V
3.3V Transient Response (200%)3.206V
5VSB Transient Response (200%)4.920V
Hold-Up Time & Power Ok Signal27.10ms
AC Loss to PWR_OK Hold Up Time22.70ms
PWR_OK Inactive to DC Loss Delay4.40ms
PSU Timings: T1 (20% / 100%)70.0ms70.0ms
PSU Timings: T3 (20% / 100%)124.0ms122.0ms
12V OCP (28.8°C / 40.6°C)81.20A (130.97%), 12.166V72.60A (117.10%), 12.165V
5V OCP (28.8°C / 40.6°C)28.2A (141.00%), 5.023V28.1A (140.50%), 5.027V
3.3V OCP (28.8°C / 40.6°C)29.6A (148.00%), 3.283V29.5A (147.50%), 3.282V
5VSB OCP (28.8°C / 40.6°C)6.6A (220.00%), 4.817V6.5A (216.67%), 4.816V
OPP (29.33°C / 44.19°C)122.93%113.47%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)27.1
AC Loss to PWR_OK Hold Up Time (ms)22.7
PWR_OK Inactive to DC Loss Delay (ms)4.4

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.06 V 115.04 V 113.85 V 115.08 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.95 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 % 0.10 % N/A 0.16 % 2.00 % PASS
Real Power: 0.048 W -0.005 W N/A 0.082 W N/A N/A
Apparent Power: 7.108 W 7.085 W N/A 7.133 W N/A N/A
Power Factor: 0.010 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 230.12 V 230.07 V 227.70 V 230.15 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: 0.115 W 0.071 W N/A 0.160 W N/A N/A
Apparent Power: 22.568 W 22.521 W N/A 22.625 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 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 66.445% 0.052
5.067V 0.344W 114.93V
2 0.09A 0.456W 73.917% 0.091
5.066V 0.617W 114.93V
3 0.55A 2.778W 81.624% 0.33
5.049V 3.404W 114.93V
4 1A 5.035W 81.541% 0.418
5.033V 6.174W 114.93V
5 1.5A 7.525W 81.431% 0.46
5.015V 9.24W 114.92V
6 3.001A 14.882W 79.271% 0.525
4.96V 18.774W 114.92V
est # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.228W 55.862% 0.019
5.068V 0.407W 230.01V
2 0.09A 0.456W 66.256% 0.031
5.066V 0.689W 230.01V
3 0.55A 2.779W 79.732% 0.145
5.049V 3.488W 230.01V
4 1A 5.035W 81.618% 0.224
5.033V 6.17W 230.01V
5 1.501A 7.525W 81.626% 0.287
5.015V 9.221W 230.01V
6 3.001A 14.881W 80.698% 0.38
4.96V 18.438W 230.01V

Protection Features

OCP (Normal @ 28.8°C)12V: 81.20A (130.97%), 12.166V
5V: 28.2A (141.00%), 5.023V
3.3V: 29.6A (148.00%), 3.283V
5VSB: 6.6A (220.00%), 4.817V
OCP (Hot @ 40.6°C)12V: 72.60A (117.10%), 12.165V
5V: 28.1A (140.50%), 5.027V
3.3V: 29.5A (147.50%), 3.282V
5VSB: 6.5A (216.67%), 4.816V
OPP (Normal @ 29.3°C)921.98W (122.93%)
OPP (Hot @ 44.2°C)851.012W (113.47%)
OTP✓ (131°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% 4.388A 1.986A 1.995A 0.995A 75.003 85.443% 0 <6.0 45.14°C 0.967
12.171V 5.037V 3.308V 5.027V 87.78 40.41°C 114.95V
20% 9.781A 2.979A 2.995A 1.197A 149.953 89.887% 0 <6.0 46.51°C 0.979
12.172V 5.036V 3.305V 5.013V 166.823 40.57°C 114.93V
30% 15.520A 3.476A 3.497A 1.4A 224.959 91.248% 0 <6.0 48.19°C 0.984
12.172V 5.036V 3.303V 4.999V 246.535 41.45°C 114.91V
40% 21.264A 3.978A 3.995A 1.605A 300.05 91.605% 420 <6.0 41.82°C 0.984
12.173V 5.029V 3.304V 4.986V 327.545 56.83°C 114.88V
50% 26.626A 4.974A 4.998A 1.811A 374.662 91.515% 423 <6.0 42.16°C 0.986
12.175V 5.028V 3.301V 4.971V 409.397 61.79°C 114.87V
60% 32.013A 5.97A 6.003A 2.001A 449.51 91.265% 424 <6.0 42.72°C 0.987
12.175V 5.027V 3.298V 4.957V 492.535 66.37°C 114.84V
70% 37.401A 6.966A 7.011A 2.227A 524.539 90.832% 570 9.8 43.17°C 0.988
12.177V 5.026V 3.295V 4.941V 577.482 67.3°C 114.82V
80% 42.856A 7.962A 8.019A 2.333A 599.762 90.337% 670 16.1 43.58°C 0.99
12.177V 5.024V 3.292V 4.93V 663.916 67.32°C 114.79V
90% 48.653A 8.464A 8.509A 2.44A 674.797 89.8% 981 28.5 44.02°C 0.991
12.174V 5.022V 3.291V 4.919V 751.449 64.96°C 114.77V
100% 54.249A 8.965A 9.031A 3.069A 750.042 89.1% 1190 31.9 45.25°C 0.991
12.172V 5.02V 3.289V 4.888V 841.795 64.38°C 114.75V
110% 59.704A 9.962A 10.135A 3.073A 825.055 88.501% 1241 35.6 46.71°C 0.992
12.172V 5.019V 3.286V 4.882V 932.222 69.27°C 114.73V
CL1 0.115A 11.967A 12.046A 0A 101.308 84.157% 474 <6.0 40.81°C 0.974
12.190V 5.031V 3.296V 5.052V 120.38 60.87°C 114.91V
CL2 0.115A 19.879A 0A 0A 101.402 82.89% 670 16.1 41.07°C 0.974
12.186V 5.03V 3.304V 5.056V 122.333 54.75°C 114.91V
CL3 0.115A 0A 20.081A 0A 67.397 76.576% 690 17.1 40.47°C 0.968
12.179V 5.037V 3.287V 5.054V 88.013 51.51°C 114.92V
CL4 61.642A 0A 0A 0A 749.829 89.915% 1058 31.1 45.81°C 0.99
12.164V 5.025V 3.297V 5.015V 833.931 61.07°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% 4.386A 1.987A 1.994A 0.995A 75.003 86.336% 0 <6.0 47.14°C 0.84
12.176V 5.034V 3.31V 5.026V 86.878 40.47°C 230.06V
20% 9.779A 2.978A 2.994A 1.197A 149.969 91.082% 0 <6.0 49.31°C 0.913
12.176V 5.038V 3.307V 5.013V 164.651 40.82°C 230.02V
30% 15.516A 3.475A 3.496A 1.401A 224.978 92.574% 0 <6.0 52.15°C 0.94
12.176V 5.037V 3.304V 4.999V 243.026 41.12°C 230.01V
40% 21.259A 3.973A 3.997A 1.605A 300.07 93.08% 421 <6.0 41.54°C 0.953
12.177V 5.036V 3.303V 4.986V 322.379 57.54°C 230.01V
50% 26.622A 4.968A 4.999A 1.811A 374.684 93.157% 420 <6.0 42.13°C 0.962
12.177V 5.033V 3.301V 4.971V 402.208 58.95°C 230V
60% 32.011A 5.964A 6.004A 2.001A 449.522 93.104% 423 <6.0 42.78°C 0.967
12.177V 5.032V 3.298V 4.957V 482.82 61.86°C 229.99V
70% 37.398A 6.959A 7.011A 2.226A 524.541 92.835% 565 9.5 43.29°C 0.971
12.177V 5.031V 3.296V 4.942V 565.022 62.28°C 229.98V
80% 42.856A 7.954A 8.017A 2.333A 599.761 92.56% 670 16.1 43.94°C 0.974
12.177V 5.029V 3.293V 4.93V 647.971 61.67°C 229.98V
90% 48.654A 8.456A 8.506A 2.439A 674.796 92.241% 990 28.9 44.85°C 0.977
12.174V 5.026V 3.291V 4.92V 731.56 59.58°C 229.97V
100% 54.249A 8.956A 9.028A 3.068A 750.017 91.812% 1185 31.7 45.22°C 0.979
12.172V 5.025V 3.289V 4.89V 816.906 59.69°C 229.96V
110% 59.701A 9.96A 10.133A 3.072A 824.882 91.354% 1821 46.3 47.33°C 0.981
12.170V 5.02V 3.286V 4.883V 902.958 59.75°C 229.95V
CL1 0.115A 11.967A 12.042A 0A 101.3 85.068% 473 <6.0 40.41°C 0.882
12.189V 5.03V 3.297V 5.052V 119.079 56.41°C 230.04V
CL2 0.115A 19.88A 0A 0A 101.398 83.877% 669 16.1 41.57°C 0.885
12.184V 5.03V 3.305V 5.056V 120.884 53.09°C 230.04V
CL3 0.115A 0A 20.079A 0A 67.39 77.352% 685 17 40.19°C 0.843
12.179V 5.037V 3.287V 5.055V 87.122 50.22°C 230.05V
CL4 61.613A 0A 0A 0A 749.843 92.495% 1186 31.7 45.29°C 0.979
12.170V 5.026V 3.297V 5.016V 810.687 58.94°C 229.97V

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 1.220A 0.497A 0.498A 0.198A 20 66.904% 0 <6.0 41.13°C 0.902
12.164V 5.033V 3.31V 5.06V 29.895 36.15°C 114.97V
40W 2.687A 0.695A 0.698A 0.297A 39.999 78.865% 0 <6.0 41.99°C 0.943
12.166V 5.034V 3.309V 5.056V 50.719 37.12°C 114.96V
60W 4.152A 0.894A 0.897A 0.396A 59.998 83.699% 0 <6.0 42.27°C 0.96
12.168V 5.036V 3.309V 5.05V 71.682 38.25°C 114.96V
80W 5.614A 1.092A 1.097A 0.496A 79.951 86.381% 0 <6.0 44.02°C 0.968
12.169V 5.037V 3.309V 5.045V 92.556 39.19°C 114.95V

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 1.221A 0.497A 0.498A 0.198A 20.016 67.69% 0 <6.0 39.19°C 0.599
12.175V 5.034V 3.312V 5.061V 29.572 36.13°C 230.04V
40W 2.686A 0.695A 0.698A 0.297A 40.009 79.704% 0 <6.0 41.37°C 0.734
12.174V 5.037V 3.311V 5.056V 50.197 37.1°C 230.04V
60W 4.151A 0.894A 0.897A 0.396A 60.005 84.756% 0 <6.0 44.84°C 0.806
12.174V 5.038V 3.311V 5.051V 70.796 38.61°C 230.03V
80W 5.613A 1.092A 1.097A 0.496A 79.971 87.467% 0 <6.0 45.22°C 0.846
12.174V 5.039V 3.31V 5.045V 91.428 39.05°C 230.03V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load14.45mV10.10mV4.99mV9.83mVPass
20% Load16.54mV10.20mV5.09mV10.29mVPass
30% Load18.52mV10.31mV5.29mV10.75mVPass
40% Load19.48mV10.84mV5.56mV11.00mVPass
50% Load21.27mV10.76mV5.75mV11.36mVPass
60% Load23.20mV10.66mV5.39mV11.26mVPass
70% Load24.78mV10.82mV5.65mV10.90mVPass
80% Load26.15mV11.58mV10.02mV11.97mVPass
90% Load26.71mV11.58mV10.32mV11.46mVPass
100% Load27.94mV10.97mV10.48mV11.46mVPass
110% Load28.14mV10.46mV10.17mV11.21mVPass
Crossload115.37mV11.02mV10.58mV10.34mVPass
Crossload215.47mV10.92mV4.68mV9.78mVPass
Crossload314.81mV11.33mV13.63mV10.75mVPass
Crossload428.14mV10.51mV5.39mV11.11mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load13.79mV9.59mV4.53mV9.12mVPass
20% Load17.71mV10.41mV4.93mV9.88mVPass
30% Load18.93mV10.00mV4.93mV10.03mVPass
40% Load20.00mV10.46mV5.19mV10.90mVPass
50% Load22.39mV10.61mV5.70mV10.34mVPass
60% Load23.25mV10.92mV5.49mV11.05mVPass
70% Load24.93mV11.02mV5.85mV11.72mVPass
80% Load26.00mV10.81mV10.07mV11.67mVPass
90% Load27.63mV11.07mV10.53mV11.87mVPass
100% Load29.21mV11.33mV10.83mV15.13mVPass
110% Load32.00mV11.94mV10.98mV12.13mVPass
Crossload115.57mV11.58mV11.04mV10.39mVPass
Crossload215.82mV10.76mV4.88mV9.98mVPass
Crossload314.50mV11.84mV13.83mV10.50mVPass
Crossload428.70mV10.92mV5.70mV11.00mVPass

The results above are not used in the certification process

Seasonic Focus GX-750 ATX3.1

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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