CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
NZXT C750 Gold Core
Serial Number-
Lab IDNZ75002900
Certification ID252900
  • Test Result Report ID: 25PS2900A
  • Certificate Issue Date: Jul 28, 2025
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

DUT Information

BrandNZXT
Manufacturer (OEM)HEC
SeriesC CORE
Model NumberPS-2501
Serial Number-
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)5-10
Rated Frequency (Hz)50-60
Rated Power (W)750
TypeATX12V
Dimensions (W x H x D)
Cooling135mm Fluid Dynamic Bearing Fan (HA13525H12SF-Z)
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 (600mm) 1 1 16-18AWG No
4+4 pin EPS12V (700mm) 1 1 18AWG No
8 pin EPS12V (700mm) 1 1 18AWG No
6+2 pin PCIe (650mm) 2 2 18AWG No
12+4 pin PCIe (650mm) (300W) 1 1 16-24AWG No
SATA (500mm+150mm+150mm+150mm) 2 8 18AWG No
4-pin Molex (500mm+150mm+150mm) 1 3 18AWG No

Parts Description

General Data
Manufacturer (OEM) HEC
PCB Type Double-Sided
Primary Side
Transient Filter 4x Y caps, 3x X caps, 2x CM chokes, 1x MOV, 1x Power Integrations CAP200DG (X Capacitor Discharge IC)
Inrush Protection 1x NTC Thermistor MF72 5D-15 (5 Ohm) & Relay
Bridge Rectifier(s)
2x GBU1008 (800V, 10A @ 100°C)
APFC MOSFETs
2x CRMicro CRJF125N60G2F (600V, 17A @ 100°C, Rds(on): 125mOhm)
APFC Boost Diode
1x Sanan SDS065J006C3 (650V, 6A @ 155°C)
Bulk Cap(s)
1x Teapo (400V, 470uF @ 105°C, TC(V))
Main Switchers
2x NCEPower NCE65TF130F (650V, 18A @ 25°C, Rds(on): 109mOhm)
APFC  Controller
1x Champion CM6500UNX &
1x Champion CM03X (reduce the no-load consumption)
Resonant Controller
Champion CM6901T6X
Topology
Primary side: APFC, Half-Bridge & LLC Resonant converter
Secondary side: [12V] Synchronous Rectification & [Minor Rails] DC-DC converters
Secondary Side
+12V MOSFETs 4x Pingwei PWC012N04ES (40V, 132A @ 100°C, Rds(on): 1.2mOhm)
5V & 3.3V DC-DC Converters: 
PWM Controller(s): ANPEC APW7159C
Filtering Capacitors

Electrolytic:
2x Teapo (3,000h @ 105°C, SC)
4x Elite (2-5,000h @ 105°C, ED(M))
1x Elite (@ 105°C, PS(M))
Polymer: 8x Elite, 25x Biostar
Supervisor IC Weltrend WT7527RT (OVP, UVP, OCP, SCP, PG)
MCU Nuvoton M051FB9AE
Fan Model Hong Hua HA13525H12SF-Z (135mm, 12V, 0.50A, Fluid Dynamic Bearing Fan)
5VSB
Rectifier
1x PingWei PS1065L (60V, 10A)
Standby PWM Controller
Excelliance MOS EM8569D

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)90.177%
Average Noise Output (>1450 Load Combinations)8.70dBA
Average PF (>1450 Load Combinations)0.987
Efficiency With 10W (≤500W) or 2% (>500W) Load65.671%
Standby Power Consumption0.0519W
12V Ripple (Full Load)31.77mV
5V Ripple (Full Load)15.94mV
3.3V Ripple (Full Load)12.74mV
5VSB Ripple (Full Load)12.37mV
12V Load Regulation0.87%
5V Load Regulation0.86%
3.3V Load Regulation1.16%
5VSB Load Regulation2.00%
Inrush Current34.690A
Efficiency RatingPLATINUM
Noise RatingA++
Average Efficiency (>1450 load combinations)92.070%
Average Noise Output (>1450 Load Combinations)9.15dBA
Average PF (>1450 Load Combinations)0.955
Efficiency With 10W (≤500W) or 2% (>500W) Load66.452%
Standby Power Consumption0.1120W
12V Ripple (Full Load)29.95mV
5V Ripple (Full Load)14.84mV
3.3V Ripple (Full Load)12.81mV
5VSB Ripple (Full Load)9.77mV
12V Load Regulation0.93%
5V Load Regulation0.92%
3.3V Load Regulation1.47%
5VSB Load Regulation2.14%
Inrush Current67.250A
12V Transient Response (200%)11.60V
5V Transient Response (200%)4.970V
3.3V Transient Response (200%)3.246V
5VSB Transient Response (200%)5.004V
Hold-Up Time & Power Ok Signal19.20ms
AC Loss to PWR_OK Hold Up Time16.60ms
PWR_OK Inactive to DC Loss Delay2.60ms
PSU Timings: T1 (20% / 100%)49.0ms49.0ms
PSU Timings: T3 (20% / 100%)124.0ms126.0ms
12V OCP (27.7°C / 43.1°C)79.00A (126.40%), 12.051V77.40A (123.84%), 12.046V
5V OCP (27.7°C / 43.1°C)24A (120.00%), 5.047V23.7A (118.50%), 5.046V
3.3V OCP (27.7°C / 43.1°C)24.5A (122.50%), 3.299V23.3A (116.50%), 3.302V
5VSB OCP (27.7°C / 43.1°C)4.2A (140.00%), 5.043V4.3A (143.33%), 5.043V
OPP (28.64°C / 43.97°C)124.93%121.59%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)19.2
AC Loss to PWR_OK Hold Up Time (ms)16.6
PWR_OK Inactive to DC Loss Delay (ms)2.6

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.08 V 115.03 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 % 0.10 % N/A 0.18 % 2.00 % PASS
Real Power: 0.052 W -0.003 W N/A 0.085 W N/A N/A
Apparent Power: 11.081 W 11.021 W N/A 11.135 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: 231.03 V 230.94 V 227.70 V 231.11 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 1.416 1.340 1.419 1.490 PASS
Mains Voltage THD: 0.17 % 0.14 % N/A 0.26 % 2.00 % PASS
Real Power: 0.112 W 0.070 W N/A 0.174 W N/A N/A
Apparent Power: 38.022 W 37.788 W N/A 38.301 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 0.23W 67.143% 0.031
5.109V 0.343W 114.94V
2 0.09A 0.46W 74.655% 0.056
5.108V 0.616W 114.93V
3 0.55A 2.806W 81.346% 0.249
5.1V 3.449W 114.91V
4 1A 5.095W 81.767% 0.348
5.093V 6.232W 114.92V
5 1.5A 7.63W 81.488% 0.401
5.086V 9.363W 114.94V
6 3A 15.192W 80.665% 0.464
5.063V 18.834W 114.95V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.23W 56.539% 0.011
5.108V 0.409W 229.96V
2 0.09A 0.46W 67.908% 0.019
5.107V 0.68W 229.95V
3 0.55A 2.806W 79.659% 0.093
5.1V 3.524W 229.95V
4 1A 5.095W 80.713% 0.156
5.093V 6.313W 229.95V
5 1.501A 7.63W 81.498% 0.213
5.085V 9.363W 229.94V
6 3.001A 15.186W 81.161% 0.319
5.061V 18.709W 229.94V

Protection Features

OCP (Normal @ 27.7°C)12V: 79.00A (126.40%), 12.051V
5V: 24A (120.00%), 5.047V
3.3V: 24.5A (122.50%), 3.299V
5VSB: 4.2A (140.00%), 5.043V
OCP (Hot @ 43.1°C)12V: 77.40A (123.84%), 12.046V
5V: 23.7A (118.50%), 5.046V
3.3V: 23.3A (116.50%), 3.302V
5VSB: 4.3A (143.33%), 5.043V
OPP (Normal @ 28.6°C)936.95W (124.93%)
OPP (Hot @ 44.0°C)911.95W (121.59%)
OTP✓ (80°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% 4.404A 1.986A 1.991A 0.982A 75.006 86.693% 0 <6.0 50.59°C 0.972
12.126V 5.037V 3.316V 5.091V 86.52 40.02°C 114.93V
20% 9.828A 2.982A 2.989A 1.181A 149.972 90.868% 0 <6.0 50.79°C 0.985
12.115V 5.032V 3.312V 5.082V 165.043 40.53°C 114.91V
30% 15.607A 3.481A 3.491A 1.38A 224.982 91.847% 0 <6.0 52.52°C 0.985
12.106V 5.029V 3.309V 5.074V 244.957 41.09°C 114.89V
40% 21.403A 3.981A 3.993A 1.58A 300.077 91.976% 0 <6.0 54.04°C 0.984
12.095V 5.026V 3.306V 5.066V 326.255 41.88°C 114.86V
50% 26.828A 4.98A 4.998A 1.78A 374.709 91.746% 353 <6.0 42.31°C 0.987
12.084V 5.021V 3.302V 5.057V 408.422 52.37°C 114.84V
60% 32.287A 5.982A 6.006A 1.982A 449.644 91.357% 762 14.9 42.97°C 0.989
12.074V 5.016V 3.297V 5.048V 492.185 50.4°C 114.82V
70% 37.753A 6.986A 7.016A 2.184A 524.553 90.931% 762 14.9 43.05°C 0.991
12.063V 5.011V 3.293V 5.038V 576.875 50.37°C 114.8V
80% 43.297A 7.99A 8.027A 2.286A 599.772 90.375% 1005 24.1 43.87°C 0.993
12.053V 5.006V 3.289V 5.031V 663.645 51.1°C 114.78V
90% 49.186A 8.496A 8.522A 2.389A 674.798 89.792% 1253 31.2 44.98°C 0.994
12.042V 5.003V 3.285V 5.024V 751.521 51.58°C 114.76V
100% 54.884A 9.003A 9.051A 2.996A 750.025 89.065% 1480 36 45.66°C 0.995
12.031V 4.999V 3.281V 5.008V 842.114 52.14°C 114.74V
110% 60.463A 10.011A 10.159A 2.999A 825.057 88.238% 1674 39.2 46.36°C 0.996
12.020V 4.995V 3.278V 5.002V 935.031 53.06°C 114.73V
CL1 0.116A 14.409A 14.451A 0A 121.306 85.526% 1129 27.5 41.45°C 0.98
12.106V 5.011V 3.3V 5.09V 141.835 46.54°C 114.91V
CL2 0.116A 19.966A 0A 0A 101.401 83.51% 1327 32.7 40.46°C 0.98
12.116V 5.008V 3.313V 5.099V 121.423 43.04°C 114.91V
CL3 0.115A 0A 19.989A 0A 67.393 79.569% 570 <6.0 41.13°C 0.972
12.118V 5.037V 3.302V 5.096V 84.699 43.7°C 114.93V
CL4 62.265A 0A 0A 0A 749.776 89.873% 1254 31.3 45.97°C 0.995
12.041V 5.021V 3.294V 5.067V 834.264 52.47°C 114.75V

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% 4.405A 1.986A 1.992A 0.983A 75.019 87.815% 0 <6.0 46.63°C 0.836
12.125V 5.038V 3.315V 5.089V 85.428 40.11°C 229.95V
20% 9.831A 2.982A 2.992A 1.182A 150.008 91.957% 0 <6.0 48.96°C 0.925
12.114V 5.033V 3.31V 5.08V 163.132 40.92°C 229.93V
30% 15.612A 3.481A 3.495A 1.381A 225.027 93.15% 0 <6.0 48.73°C 0.952
12.104V 5.029V 3.305V 5.071V 241.573 41.33°C 229.92V
40% 21.412A 3.982A 4A 1.581A 300.133 93.502% 0 <6.0 50.29°C 0.965
12.092V 5.025V 3.301V 5.062V 320.993 41.87°C 229.91V
50% 26.850A 4.983A 5.008A 1.782A 374.912 93.516% 303 <6.0 42.13°C 0.971
12.082V 5.019V 3.296V 5.052V 400.909 51.47°C 229.91V
60% 32.303A 5.984A 6.017A 1.984A 449.783 93.333% 759 14.7 42.89°C 0.975
12.071V 5.015V 3.291V 5.043V 481.914 51.18°C 229.93V
70% 37.765A 6.988A 7.031A 2.186A 524.619 93.121% 758 14.6 43.29°C 0.978
12.061V 5.011V 3.286V 5.033V 563.375 50.87°C 229.96V
80% 43.313A 7.993A 8.046A 2.29A 599.841 92.813% 865 19.3 43.7°C 0.98
12.050V 5.005V 3.281V 5.024V 646.294 51.15°C 229.95V
90% 49.209A 8.5A 8.547A 2.393A 674.917 92.445% 1128 27.5 44.15°C 0.981
12.039V 5.001V 3.276V 5.016V 730.071 50.92°C 229.93V
100% 54.915A 9.009A 9.08A 3.001A 750.181 91.993% 1385 34.1 45.26°C 0.983
12.027V 4.996V 3.271V 5V 815.48 51.62°C 229.9V
110% 60.505A 10.021A 10.201A 3.006A 825.231 91.499% 1674 39.2 46.77°C 0.985
12.014V 4.99V 3.265V 4.992V 901.904 53.05°C 229.88V
CL1 0.117A 14.387A 14.475A 0A 121.321 85.904% 1125 27.5 40.47°C 0.91
12.104V 5.019V 3.296V 5.087V 141.232 46.57°C 229.98V
CL2 0.116A 19.91A 0A 0A 101.405 84.389% 1124 27.4 40.61°C 0.893
12.114V 5.023V 3.31V 5.096V 120.167 43.87°C 230.02V
CL3 0.115A 0A 20.011A 0A 67.397 79.149% 567 <6.0 41.24°C 0.835
12.116V 5.034V 3.298V 5.094V 85.153 45.11°C 230.05V
CL4 62.280A 0A 0A 0A 749.799 92.795% 1249 31.1 45.41°C 0.983
12.039V 5.013V 3.287V 5.061V 808.018 51.85°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 1.224A 0.496A 0.497A 0.196A 20.007 71.273% 0 <6.0 43.81°C 0.883
12.136V 5.042V 3.319V 5.108V 28.071 36.4°C 114.94V
40W 2.694A 0.694A 0.696A 0.294A 40.004 81.677% 0 <6.0 45.61°C 0.949
12.133V 5.042V 3.319V 5.105V 48.978 37.27°C 114.94V
60W 4.166A 0.893A 0.895A 0.392A 60.003 86.328% 0 <6.0 47.36°C 0.968
12.130V 5.04V 3.318V 5.102V 69.506 38.55°C 114.93V
80W 5.636A 1.092A 1.094A 0.49A 79.971 87.749% 0 <6.0 48°C 0.973
12.127V 5.039V 3.317V 5.1V 91.134 39.35°C 114.92V

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 1.224A 0.496A 0.497A 0.196A 20.014 71.866% 0 <6.0 42.7°C 0.525
12.138V 5.042V 3.319V 5.107V 27.848 36.89°C 229.97V
40W 2.694A 0.694A 0.696A 0.294A 40.012 82.497% 0 <6.0 42.76°C 0.703
12.135V 5.041V 3.318V 5.104V 48.502 37.39°C 229.96V
60W 4.166A 0.893A 0.896A 0.392A 60.012 86.549% 0 <6.0 45.44°C 0.79
12.131V 5.04V 3.317V 5.101V 69.337 38.84°C 229.96V
80W 5.636A 1.092A 1.095A 0.491A 79.993 88.801% 0 <6.0 45.42°C 0.846
12.128V 5.039V 3.316V 5.098V 90.081 39.44°C 229.95V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load12.37mV10.71mV5.90mV8.71mVPass
20% Load13.64mV9.64mV4.63mV8.00mVPass
30% Load17.25mV9.95mV4.68mV8.20mVPass
40% Load16.38mV10.61mV5.14mV9.12mVPass
50% Load17.10mV10.25mV4.78mV8.87mVPass
60% Load18.12mV10.56mV5.14mV9.43mVPass
70% Load18.32mV10.51mV5.34mV9.27mVPass
80% Load18.77mV11.33mV7.73mV9.43mVPass
90% Load20.56mV11.38mV8.04mV10.29mVPass
100% Load31.77mV15.94mV12.74mV12.37mVPass
110% Load50.42mV45.56mV19.34mV34.52mVPass
Crossload122.38mV13.31mV9.43mV8.89mVPass
Crossload212.77mV13.26mV5.24mV8.05mVPass
Crossload315.06mV10.66mV10.17mV8.71mVPass
Crossload429.93mV11.43mV5.71mV11.09mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load9.77mV7.50mV5.34mV5.91mVPass
20% Load12.48mV6.58mV4.17mV5.61mVPass
30% Load15.23mV6.58mV4.37mV5.86mVPass
40% Load16.04mV7.86mV4.53mV6.32mVPass
50% Load16.20mV7.60mV4.48mV7.03mVPass
60% Load15.47mV7.86mV4.68mV6.78mVPass
70% Load17.45mV8.37mV5.19mV7.59mVPass
80% Load17.35mV9.08mV7.93mV7.59mVPass
90% Load18.32mV10.05mV8.54mV8.46mVPass
100% Load29.95mV14.84mV12.81mV9.77mVPass
110% Load33.04mV15.84mV13.27mV9.89mVPass
Crossload121.31mV12.14mV8.78mV7.45mVPass
Crossload210.69mV13.01mV4.68mV6.93mVPass
Crossload313.03mV6.73mV10.22mV5.81mVPass
Crossload428.87mV10.34mV5.52mV8.34mVPass

The results above are not used in the certification process

NZXT C750 Gold Core

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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