CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
Golden Field Nexus Gold 1050 (#2)
Serial Number0GF102025082600273
Lab IDGN10503050
Certification ID253050
  • Test Result Report ID: 25PS3050A
  • Certificate Issue Date: Dec 1, 2025
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Outside Validation Scope
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

DUT Information

BrandGolden Field
Manufacturer (OEM)Golden Field
SeriesNexus Gold
Model NumberEPS1050ELG(90+)
Serial Number0GF102025082600273
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)12.5
Rated Frequency (Hz)50-60
Rated Power (W)1050
TypeATX12V
Dimensions (W x H x D)150 x 85 x 140mm
Cooling120mm Rifle Bearing Fan (EFS-12E12H)
Semi-Passive Operation✓ (selectable)
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps181887.22.50.3
Watts1001046.412.53.6
Total Max. Power (W)1050

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 (590mm) 1 1 18-22AWG Tinned Copper
4+4 pin ATX12V (1000mm) 2 2 18AWG Tinned Copper
6+2 pin PCIe (600mm) 3 3 18AWG Tinned Copper
12+4 pin PCIe (740mm) (600W) 1 1 16-26AWG Tinned Copper
SATA (450mm+150mm+150mm) / 4-pin Molex (+150mm) 2 6 / 2 18AWG Tinned Copper
AC Power Cord (1390mm) - C13 coupler 1 1 18AWG -

Parts Description

General Data
Manufacturer (OEM) Golden Field
PCB Type Double-Sided
Primary Side
Transient Filter 6x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection NTC Thermistor MF72 5D-15 (5 Ohm @ 25°C) & Relay
Bridge Rectifier
2x Hygroup GBU1506L (600V, 15A @ 100°C)
APFC MOSFETs
2x Oriental Semiconductor OSG60R099FT3F (600V, 19A @ 100°C, Rds(on): 99mOhm)
APFC Boost Diode
Sanan SDS065J008C3 (650V, 8A @ 155°C)
Bulk Cap(s)
Rubycon (420V, 820uF, 2000h @ 105°C, MXE)
Main Switchers
2x Oriental Semiconductor OSG60R099KSZF (600V, 22.8A @ 100°C, Rds(on): 0.099Ohm)

APFC Controller

Onsemi NCP1654 &
Sync Power SPN5003 (reducing no load consumption)
Resonant Controller
Y5CCWC
Topology Primary side: APFC, Half-Bridge & LLC Resonant Converter
Secondary side: [12V] Synchronous Rectification & [Minor Rails] DC-DC converters
Secondary Side
+12V MOSFETs 6x NCEPower NCEP40T15GU (40V, 106A @ 100°C, Rds(on): 1.35mOhm)
5V & 3.3V DC-DC Converters: 4x ZMS051N03
PWM Controller(s): ANPEC APW7159C
Filtering Capacitors

Electrolytic:
13x Unicon (2-5000h @ 105°C, KXM)
5x Teapo (2-6000h @ 105°C, SY)
3x Teapo (1-5000h @ 105°C, SJ)
3x Teapo (2000h @ 105°C, SH)
2x Teapo (1-3000h @ 105°C, SC)
Polymer:
7x Teapo
Supervisor IC NDP2332KC
Fan Model EFS-12E12H (120mm, 12V, 0.50A, Rifle Bearing Fan)
5VSB Circuit
Rectifier
Vishay US1D (200V, 1A)
Standby PWM Controller
Chipown PN8141

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 RatingStandard++
Average Efficiency (>1450 load combinations)90.348%
Average Noise Output (>1450 Load Combinations)34.73dBA
Average PF (>1450 Load Combinations)0.991
Efficiency With 10W (≤500W) or 2% (>500W) Load73.608%
Standby Power Consumption0.0353W
12V Ripple (Full Load)32.83mV
5V Ripple (Full Load)15.70mV
3.3V Ripple (Full Load)17.87mV
5VSB Ripple (Full Load)15.34mV
12V Load Regulation0.39%
5V Load Regulation0.56%
3.3V Load Regulation1.25%
5VSB Load Regulation2.48%
Inrush Current33.420A
Efficiency RatingPLATINUM
Noise RatingStandard++
Average Efficiency (>1450 load combinations)92.457%
Average Noise Output (>1450 Load Combinations)34.11dBA
Average PF (>1450 Load Combinations)0.944
Efficiency With 10W (≤500W) or 2% (>500W) Load74.408%
Standby Power Consumption0.0845W
12V Ripple (Full Load)36.51mV
5V Ripple (Full Load)16.99mV
3.3V Ripple (Full Load)19.75mV
5VSB Ripple (Full Load)15.70mV
12V Load Regulation0.36%
5V Load Regulation0.52%
3.3V Load Regulation1.18%
5VSB Load Regulation2.43%
Inrush Current68.300A
12V Transient Response (200%)11.31V
5V Transient Response (200%)4.940V
3.3V Transient Response (200%)3.205V
5VSB Transient Response (200%)4.976V
Hold-Up Time & Power Ok Signal16.10ms
AC Loss to PWR_OK Hold Up Time14.90ms
PWR_OK Inactive to DC Loss Delay1.20ms
PSU Timings: T1 (20% / 100%)128.0ms127.0ms
PSU Timings: T3 (20% / 100%)115.0ms118.0ms
12V OCP (31.2°C / 43.6°C)109.60A (125.69%), 12.038V103.00A (118.12%), 12.046V
5V OCP (31.2°C / 43.6°C)23.8A (132.22%), 5.015V23.9A (132.78%), 5.014V
3.3V OCP (31.2°C / 43.6°C)23.7A (131.67%), 3.31V23.3A (129.44%), 3.309V
5VSB OCP (31.2°C / 43.6°C)5.1A (204.00%), 4.917V5.1A (204.00%), 4.925V
OPP (29.79°C / 44.79°C)124.33%118.42%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)16.1
AC Loss to PWR_OK Hold Up Time (ms)14.9
PWR_OK Inactive to DC Loss Delay (ms)1.2

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.03 V 115.00 V 113.85 V 115.13 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.96 Hz 59.40 Hz 60.01 Hz 60.60 Hz PASS
Mains Voltage CF: 1.416 1.415 1.340 1.417 1.490 PASS
Mains Voltage THD: 0.13 % 0.10 % N/A 0.16 % 2.00 % PASS
Real Power: 0.035 W -0.003 W N/A 0.072 W N/A N/A
Apparent Power: 8.643 W 8.617 W N/A 8.671 W N/A N/A
Power Factor: 0.006 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 230.03 V 230.03 V 227.70 V 230.07 V 232.30 V PASS
Mains Frequency: 50.00 Hz 49.99 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: 0.15 % 0.13 % N/A 0.16 % 2.00 % PASS
Real Power: 0.085 W 0.045 W N/A 0.159 W N/A N/A
Apparent Power: 27.926 W 27.887 W N/A 27.963 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 0.1A 0.509W 74.435% 0.079
5.095V 0.684W 115.09V
2 0.25A 1.272W 77.651% 0.173
5.091V 1.638W 115.09V
3 0.55A 2.796W 77.922% 0.297
5.084V 3.588W 115.08V
4 1A 5.073W 78.125% 0.38
5.074V 6.493W 115.08V
5 1.5A 7.592W 78.107% 0.425
5.062V 9.72W 115.08V
6 2.5A 12.584W 77.111% 0.465
5.035V 16.318W 115.08V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.1A 0.509W 69.15% 0.027
5.094V 0.737W 230.26V
2 0.25A 1.272W 74.941% 0.061
5.09V 1.698W 230.25V
3 0.55A 2.796W 77.077% 0.123
5.083V 3.628W 230.24V
4 1A 5.073W 77.681% 0.199
5.073V 6.53W 230.23V
5 1.5A 7.591W 78.047% 0.261
5.06V 9.727W 230.22V
6 2.5A 12.584W 78.36% 0.331
5.033V 16.057W 230.21V

Protection Features

OCP (Normal @ 31.2°C)12V: 109.60A (125.69%), 12.038V
5V: 23.8A (132.22%), 5.015V
3.3V: 23.7A (131.67%), 3.31V
5VSB: 5.1A (204.00%), 4.917V
OCP (Hot @ 43.6°C)12V: 103.00A (118.12%), 12.046V
5V: 23.9A (132.78%), 5.014V
3.3V: 23.3A (129.44%), 3.309V
5VSB: 5.1A (204.00%), 4.925V
OPP (Normal @ 29.8°C)1305.47W (124.33%)
OPP (Hot @ 44.8°C)1243.37W (118.42%)
OTP✓ (102°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% 6.900A 1.983A 1.983A 0.987A 104.951 89.886% 0 <6.0 45.89°C 0.984
12.080V 5.045V 3.328V 5.067V 116.761 40.42°C 115.04V
20% 14.825A 2.975A 2.978A 1.187A 209.948 92.255% 0 <6.0 47.85°C 0.981
12.078V 5.042V 3.324V 5.055V 227.574 40.78°C 114.99V
30% 23.102A 3.473A 3.478A 1.388A 314.962 92.323% 1470 33.1 41.21°C 0.99
12.073V 5.039V 3.321V 5.044V 341.154 48.23°C 114.96V
40% 31.356A 3.971A 3.979A 1.59A 419.571 92.19% 1532 34.8 41.74°C 0.994
12.066V 5.037V 3.317V 5.033V 455.115 50.7°C 114.92V
50% 39.332A 4.967A 4.98A 1.793A 524.884 91.766% 1643 36.6 42.41°C 0.997
12.061V 5.034V 3.313V 5.021V 571.983 52.29°C 114.89V
60% 47.247A 5.964A 5.983A 1.997A 629.41 91.107% 1786 39.1 42.55°C 0.997
12.056V 5.032V 3.309V 5.009V 690.846 53.71°C 114.86V
70% 55.234A 6.962A 6.989A 2.202A 734.741 90.382% 1931 42.3 43.14°C 0.998
12.051V 5.029V 3.305V 4.997V 812.927 55.47°C 114.82V
80% 63.222A 7.958A 7.997A 2.306A 839.534 89.478% 2094 44.5 43.55°C 0.998
12.047V 5.026V 3.301V 4.987V 938.258 57.76°C 114.78V
90% 71.621A 8.459A 8.492A 2.411A 944.916 88.58% 2251 47.7 44.97°C 0.998
12.042V 5.024V 3.297V 4.978V 1066.738 60.23°C 114.74V
100% 79.957A 8.962A 9.02A 2.516A 1049.619 87.566% 2294 48 45.63°C 0.998
12.037V 5.021V 3.292V 4.968V 1198.661 63.56°C 114.7V
110% 88.036A 9.965A 10.13A 2.52A 1155.042 86.252% 2297 48.1 46.43°C 0.997
12.032V 5.017V 3.287V 4.961V 1339.16 69.38°C 114.68V
CL1 0.116A 11.975A 11.974A 0A 101.3 83.607% 1754 38.5 41.26°C 0.984
12.082V 5.027V 3.315V 5.083V 121.163 50.14°C 115.04V
CL2 0.116A 17.919A 0A 0A 91.395 82.712% 1532 34.8 40.73°C 0.985
12.082V 5.022V 3.328V 5.088V 110.498 47.31°C 115.04V
CL3 0.115A 0A 17.922A 0A 60.785 76.592% 1440 32.7 40.1°C 0.961
12.079V 5.041V 3.314V 5.084V 79.362 46.37°C 115.05V
CL4 87.217A 0A 0A 0A 1049.494 88.365% 2257 47.8 46.46°C 0.998
12.033V 5.034V 3.302V 5.039V 1187.69 60.53°C 114.7V

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% 6.898A 1.983A 1.983A 0.987A 104.948 90.855% 1367 32 40.04°C 0.759
12.082V 5.045V 3.328V 5.067V 115.512 44.47°C 230.25V
20% 14.823A 2.976A 2.978A 1.187A 209.949 93.064% 1404 32.5 40.65°C 0.9
12.078V 5.042V 3.324V 5.055V 225.592 45.34°C 230.22V
30% 23.103A 3.473A 3.478A 1.388A 314.971 93.809% 1445 32.7 41.43°C 0.944
12.073V 5.04V 3.321V 5.044V 335.758 45.64°C 230.18V
40% 31.357A 3.971A 3.979A 1.59A 419.584 93.873% 1506 34 41.88°C 0.966
12.067V 5.038V 3.317V 5.033V 446.973 46.44°C 230.16V
50% 39.324A 4.966A 4.979A 1.792A 524.819 93.669% 1612 35.9 42.41°C 0.975
12.062V 5.035V 3.314V 5.021V 560.291 47.51°C 230.16V
60% 47.230A 5.962A 5.982A 1.996A 629.312 93.268% 1780 39 42.85°C 0.982
12.058V 5.033V 3.31V 5.01V 674.734 49.43°C 230.15V
70% 55.216A 6.96A 6.988A 2.201A 734.636 92.863% 1926 42.1 43.09°C 0.984
12.053V 5.03V 3.306V 4.998V 791.099 50.13°C 230.14V
80% 63.202A 7.956A 7.995A 2.305A 839.431 92.303% 2088 44.6 43.79°C 0.986
12.049V 5.027V 3.301V 4.988V 909.428 51.93°C 230.13V
90% 71.595A 8.457A 8.491A 2.41A 944.822 91.784% 2253 47.7 44.49°C 0.987
12.045V 5.025V 3.297V 4.979V 1029.404 53.62°C 230.11V
100% 79.930A 8.959A 9.018A 2.515A 1049.52 91.205% 2300 48.1 45.97°C 0.988
12.040V 5.022V 3.293V 4.97V 1150.727 55.27°C 230.1V
110% 88.006A 9.962A 10.127A 2.518A 1154.968 90.488% 2299 48.1 46.8°C 0.989
12.035V 5.019V 3.288V 4.963V 1276.373 57.65°C 230.08V
CL1 0.115A 11.969A 11.971A 0A 101.282 84.888% 1752 38.4 40.8°C 0.803
12.084V 5.029V 3.316V 5.084V 119.313 47.35°C 230.27V
CL2 0.114A 17.907A 0A 0A 91.382 83.817% 1542 35.1 41.5°C 0.741
12.085V 5.026V 3.328V 5.089V 109.03 45.9°C 230.28V
CL3 0.114A 0A 17.92A 0A 60.776 78.068% 1453 32.7 40.23°C 0.662
12.081V 5.043V 3.314V 5.085V 77.852 44.25°C 230.29V
CL4 87.178A 0A 0A 0A 1049.426 91.791% 2245 47.5 45.41°C 0.988
12.038V 5.035V 3.302V 5.041V 1143.286 52.44°C 230.12V

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 1.230A 0.495A 0.495A 0.196A 20.001 72.058% 0 <6.0 40.88°C 0.853
12.083V 5.049V 3.333V 5.091V 27.759 36.63°C 115.08V
40W 2.706A 0.694A 0.693A 0.295A 40 82.04% 0 <6.0 41.85°C 0.925
12.080V 5.047V 3.331V 5.087V 48.758 37.01°C 115.06V
60W 4.182A 0.892A 0.892A 0.393A 59.999 86.673% 0 <6.0 43.15°C 0.96
12.080V 5.046V 3.33V 5.084V 69.224 38.12°C 115.06V
80W 5.655A 1.09A 1.09A 0.492A 79.944 88.494% 0 <6.0 44.46°C 0.967
12.080V 5.046V 3.329V 5.081V 90.337 39.53°C 115.05V

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 0.495A 0.495A 0.196A 19.992 73.233% 0 <6.0 37.81°C 0.56
12.083V 5.048V 3.332V 5.091V 27.301 36.52°C 230.31V
40W 2.705A 0.693A 0.693A 0.295A 39.989 83.396% 0 <6.0 39.38°C 0.701
12.083V 5.047V 3.331V 5.088V 47.952 37.38°C 230.31V
60W 4.181A 0.892A 0.892A 0.393A 59.989 87.923% 0 <6.0 40.97°C 0.694
12.083V 5.046V 3.33V 5.085V 68.228 38.71°C 230.31V
80W 5.653A 1.09A 1.09A 0.492A 79.928 90.099% 0 <6.0 43.23°C 0.677
12.082V 5.046V 3.329V 5.081V 88.71 39.24°C 230.29V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load14.38mV13.08mV13.14mV9.55mVPass
20% Load18.66mV13.19mV13.45mV10.94mVPass
30% Load19.49mV12.83mV13.60mV10.89mVPass
40% Load21.24mV13.24mV14.32mV11.10mVPass
50% Load29.13mV13.34mV15.10mV11.20mVPass
60% Load25.68mV13.86mV16.44mV11.77mVPass
70% Load23.61mV14.42mV17.22mV12.80mVPass
80% Load28.87mV15.40mV17.89mV13.53mVPass
90% Load31.76mV16.28mV19.91mV14.40mVPass
100% Load32.83mV15.70mV17.87mV15.34mVPass
110% Load37.92mV16.14mV19.07mV15.84mVPass
Crossload115.08mV14.61mV16.38mV8.61mVPass
Crossload215.31mV18.50mV14.48mV8.77mVPass
Crossload313.82mV13.24mV18.98mV9.39mVPass
Crossload430.80mV13.60mV15.33mV12.81mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load20.47mV17.26mV14.43mV11.15mVPass
20% Load22.02mV14.43mV14.48mV10.79mVPass
30% Load22.74mV14.32mV14.43mV11.72mVPass
40% Load23.15mV14.58mV15.36mV11.40mVPass
50% Load29.13mV14.94mV16.24mV12.49mVPass
60% Load26.09mV15.09mV17.43mV12.39mVPass
70% Load25.98mV15.51mV18.00mV13.58mVPass
80% Load31.30mV17.83mV19.24mV15.07mVPass
90% Load34.28mV15.92mV18.98mV15.07mVPass
100% Load36.51mV16.99mV19.75mV15.70mVPass
110% Load41.31mV16.87mV21.19mV16.50mVPass
Crossload121.24mV19.76mV18.94mV9.87mVPass
Crossload221.55mV21.59mV17.74mV10.02mVPass
Crossload319.90mV17.93mV18.51mV10.58mVPass
Crossload433.89mV14.27mV16.36mV13.71mVPass

The results above are not used in the certification process

Golden Field Nexus Gold 1050 (#2)

Top side
Power specifications label
Fan
PSU INTERNAL
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
CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
www.cybenetics.com - info@cybenetics.com