CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
HyperX PS-4122-2 1200W
Serial Number-
Lab IDHX12002880
Certification ID252880
  • Test Result Report ID: 25PS2880A
  • Certificate Issue Date: Jul 14, 2025
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Outside Validation Scope
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

DUT Information

BrandHyperX
Manufacturer (OEM)Lite-On
Series-
Model NumberPS-4122-2
Serial Number-
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)7.5-15
Rated Frequency (Hz)50-60
Rated Power (W)1200
TypeATX12V
Dimensions (W x H x D)150 x 85 x 160mm
Cooling135mm Fluid Dynamic Bearing (HA13525H12SF-Z)
Semi-Passive Operation✓
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps25259940
Watts1501188200
Total Max. Power (W)1200

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 In Cable Capacitors
ATX connector 24 pin (600mm) 1 1 18-22AWG No
4+4 pin EPS12V (650mm) 2 2 18AWG No
6+2 pin PCIe (650mm) 2 2 18AWG No
12+4 pin PCIe (650mm) (600W) 1 1 16-24AWG No
SATA (455mm+115mm+115mm) 2 6 18AWG No
SATA (460mm+115mm+115mm+115mm) 1 4 18AWG No
4-pin Molex (450mm+100mm+100mm+100mm) 1 4 18AWG No

Parts Description

General Data
Manufacturer (OEM) Lite-On
PCB Type Double-Sided
Primary Side
Transient Filter 6x Y caps, 2x X caps, 2x CM chokes, 1x MOV, 1x Power Integrations CAP200DG (X Capacitor Discharge IC)
Inrush Protection 2x NTC Thermistor SCK 105 (10 Ohm @25°C) & Relay
Bridge Rectifier(s)
2x GBJ25V08 (800V, 25A @ 25°C)
APFC MOSFETs
2x Infineon IPW60R099P7 (650V, 20A @ 100°C, Rds(on): 0.099Ohm)
APFC Boost Diode
2x WeEn WNSC5D06650X (650V, 6A @ 64°C)
Bulk Cap(s)
2x Rubycon (450V, 560uF each or 1120uF combined, 3000h @ 105°C, MXH)
Main Switchers
2x Infineon IPA60R099P7 (650V, 20A @ 100°C, Rds(on): 0.099Ohm)
PFC/LLC Controller
LTA2021/T
Topology
Primary side: APFC, Half-Bridge & LLC Resonant converter
Secondary side: [12V] Synchronous Rectification & [Minor Rails] DC-DC converters
Secondary Side
+12V MOSFETs 8x Nexperia PSMN1R5-40YSD(40V, 240A @ 25°C, Rds(on): 1.5mOhm)
5V & 3.3V DC-DC Converters: 2x XEMI XP3NA3R4MT (30V, 46A @ 100°C, Rds(on): 3.4mOhm)
2x UBIQ QN3106M6N (30V, 57A @ 100°C, Rds(on): 3.8mOhm)
PWM Controller(s): uPI Semi uP3861P
Filtering Capacitors

2x Nippon Chemi-con (2-5,000h @ 105°C, KZE)
Rubycon (6-10,000h @ 105°C, ZLJ)
Rubycon (10,000h @ 105°C, YXM)
CapXon (4-10,000h @ 105°C, FH)
Taicon (2-5,000h @ 105°C, PW)
Polymer: 
28x Nippon Chemi-con
Supervisor IC IN1T703I-SDG
Synchronous Rectifier MPS MP6924B 
Fan Controller / Micro Controller Nuvoton M032LE3AE
Fan Model Hong Hua HA13525H12F-Z (135mm, 12V, 0.50A, Fluid Dynamic Bearing Fan)
5VSB
Rectifier
1x
Standby PWM Controller
Excellence 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)89.489%
Average Noise Output (>1450 Load Combinations)15.59dBA
Average PF (>1450 Load Combinations)0.984
Efficiency With 10W (≤500W) or 2% (>500W) Load83.318%
Standby Power Consumption0.0504W
12V Ripple (Full Load)31.70mV
5V Ripple (Full Load)21.50mV
3.3V Ripple (Full Load)27.58mV
5VSB Ripple (Full Load)16.16mV
12V Load Regulation0.95%
5V Load Regulation0.58%
3.3V Load Regulation1.65%
5VSB Load Regulation3.48%
Inrush Current42.320A
Efficiency RatingPLATINUM
Noise RatingA++
Average Efficiency (>1450 load combinations)91.683%
Average Noise Output (>1450 Load Combinations)14.92dBA
Average PF (>1450 Load Combinations)0.965
Efficiency With 10W (≤500W) or 2% (>500W) Load83.421%
Standby Power Consumption0.1140W
12V Ripple (Full Load)31.31mV
5V Ripple (Full Load)22.77mV
3.3V Ripple (Full Load)26.28mV
5VSB Ripple (Full Load)17.48mV
12V Load Regulation0.87%
5V Load Regulation0.60%
3.3V Load Regulation1.62%
5VSB Load Regulation3.46%
Inrush Current84.200A
12V Transient Response (200%)11.30V
5V Transient Response (200%)5.005V
3.3V Transient Response (200%)3.159V
5VSB Transient Response (200%)4.942V
Hold-Up Time & Power Ok Signal25.60ms
AC Loss to PWR_OK Hold Up Time21.90ms
PWR_OK Inactive to DC Loss Delay3.70ms
PSU Timings: T1 (20% / 100%)59.0ms61.0ms
PSU Timings: T3 (20% / 100%)109.0ms108.0ms
12V OCP (28.6°C / 41.9°C)131.00A (132.32%), 12.160V129.60A (130.91%), 12.172V
5V OCP (28.6°C / 41.9°C)31.6A (126.40%), 5.154V31.5A (126.00%), 5.153V
3.3V OCP (28.6°C / 41.9°C)32A (128.00%), 3.245V32.1A (128.40%), 3.244V
5VSB OCP (28.6°C / 41.9°C)5.9A (147.50%), 4.922V5.8A (145.00%), 4.924V
OPP (27.92°C / 41.83°C)131.56%130.56%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)25.6
AC Loss to PWR_OK Hold Up Time (ms)21.9
PWR_OK Inactive to DC Loss Delay (ms)3.7

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.08 V 115.02 V 113.85 V 115.12 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.95 Hz 59.40 Hz 60.02 Hz 60.60 Hz PASS
Mains Voltage CF: 1.417 1.415 1.340 1.419 1.490 PASS
Mains Voltage THD: 0.14 % 0.11 % N/A 0.20 % 2.00 % PASS
Real Power: 0.050 W -0.002 W N/A 0.088 W N/A N/A
Apparent Power: 12.035 W 11.532 W N/A 12.593 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: 231.03 V 230.94 V 227.70 V 231.14 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 0.28 % 2.00 % PASS
Real Power: 0.114 W 0.078 W N/A 0.176 W N/A N/A
Apparent Power: 39.006 W 38.211 W N/A 39.798 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 0.228W 66.649% 0.03
5.07V 0.342W 114.84V
2 0.09A 0.456W 75.35% 0.054
5.068V 0.605W 114.85V
3 0.55A 2.781W 82.877% 0.256
5.057V 3.356W 114.83V
4 1A 5.045W 81.934% 0.384
5.045V 6.157W 114.82V
5 1.5A 7.549W 81.193% 0.466
5.032V 9.297W 114.83V
6 4A 19.871W 77.371% 0.587
4.968V 25.682W 114.82V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.228W 57.772% 0.01
5.072V 0.395W 229.81V
2 0.09A 0.456W 69.088% 0.017
5.07V 0.66W 229.82V
3 0.55A 2.782W 81.726% 0.088
5.058V 3.404W 229.81V
4 1A 5.046W 82.787% 0.151
5.046V 6.096W 229.81V
5 1.5A 7.55W 82.689% 0.214
5.033V 9.131W 229.82V
6 4A 19.873W 80.677% 0.396
4.968V 24.633W 229.81V

Protection Features

OCP (Normal @ 28.6°C)12V: 131.00A (132.32%), 12.160V
5V: 31.6A (126.40%), 5.154V
3.3V: 32A (128.00%), 3.245V
5VSB: 5.9A (147.50%), 4.922V
OCP (Hot @ 41.9°C)12V: 129.60A (130.91%), 12.172V
5V: 31.5A (126.00%), 5.153V
3.3V: 32.1A (128.40%), 3.244V
5VSB: 5.8A (145.00%), 4.924V
OPP (Normal @ 27.9°C)1578.753W (131.56%)
OPP (Hot @ 41.8°C)1566.722W (130.56%)
OTP✓ (100°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% 8.052A 1.928A 1.958A 0.99A 119.996 90.098% 0 <6.0 55.97°C 0.947
12.220V 5.186V 3.371V 5.05V 133.195 40.4°C 114.73V
20% 17.118A 2.894A 2.942A 1.191A 239.956 92.071% 0 <6.0 56.72°C 0.98
12.212V 5.182V 3.365V 5.038V 260.614 40.56°C 114.7V
30% 26.471A 3.378A 3.437A 1.393A 359.181 92.479% 0 <6.0 58.53°C 0.988
12.206V 5.18V 3.361V 5.027V 388.391 41.11°C 114.67V
40% 35.922A 3.863A 3.932A 1.595A 479.555 92.156% 390 <6.0 41.61°C 0.993
12.202V 5.178V 3.357V 5.016V 520.321 62.84°C 114.65V
50% 45.012A 4.832A 4.924A 1.799A 599.288 91.641% 480 <6.0 42.15°C 0.995
12.192V 5.174V 3.351V 5.004V 654.057 63.18°C 114.62V
60% 54.174A 5.802A 5.919A 2A 719.8 90.906% 679 14.2 42.55°C 0.996
12.183V 5.171V 3.345V 4.992V 791.847 62.29°C 114.59V
70% 63.278A 6.774A 6.918A 2.209A 839.566 90.017% 811 20.4 43.13°C 0.997
12.176V 5.168V 3.339V 4.979V 932.625 62.56°C 114.55V
80% 72.455A 7.745A 7.92A 2.314A 959.55 89.14% 948 25.3 43.6°C 0.997
12.169V 5.164V 3.333V 4.97V 1076.569 63.9°C 114.5V
90% 81.953A 8.233A 8.409A 2.42A 1079.339 88.168% 1116 30 44.21°C 0.997
12.163V 5.162V 3.329V 4.96V 1224.202 66.01°C 114.46V
100% 90.958A 8.722A 8.932A 4.075A 1199.586 86.998% 1414 38 45.39°C 0.997
12.147V 5.159V 3.325V 4.908V 1378.834 67.91°C 114.41V
110% 100.156A 9.699A 10.035A 4.082A 1319.436 85.822% 1765 44 46.6°C 0.997
12.142V 5.155V 3.318V 4.9V 1537.454 68.67°C 114.37V
CL1 0.114A 17.507A 18.073A 0A 151.292 82.96% 401 <6.0 40.67°C 0.965
12.235V 5.158V 3.297V 5.069V 182.421 61.06°C 114.73V
CL2 0.117A 24.167A 0A 0A 126.274 83.25% 402 <6.0 40.97°C 0.955
12.240V 5.166V 3.361V 5.075V 151.884 60.68°C 114.73V
CL3 0.114A 0A 25.132A 0A 83.892 76.233% 0 <6.0 44.95°C 0.935
12.237V 5.169V 3.282V 5.074V 110.182 40.74°C 114.74V
CL4 98.708A 0A 0A 0A 1201.235 87.583% 1311 37 45.49°C 0.997
12.171V 5.175V 3.371V 5.024V 1372.329 67.37°C 114.41V

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% 8.056A 1.929A 1.958A 0.991A 119.998 91.329% 0 <6.0 51.53°C 0.941
12.213V 5.185V 3.371V 5.048V 131.499 40.16°C 229.8V
20% 17.128A 2.895A 2.942A 1.191A 239.959 93.465% 0 <6.0 52.98°C 0.93
12.206V 5.182V 3.365V 5.037V 256.837 40.72°C 229.78V
30% 26.482A 3.379A 3.436A 1.393A 359.197 93.974% 0 <6.0 54.01°C 0.951
12.202V 5.18V 3.361V 5.026V 382.209 41.07°C 229.77V
40% 35.940A 3.863A 3.932A 1.596A 479.558 93.828% 383 <6.0 41.53°C 0.967
12.196V 5.177V 3.357V 5.015V 511.005 55.89°C 229.74V
50% 45.023A 4.832A 4.923A 1.799A 599.297 93.525% 479 <6.0 42.03°C 0.974
12.189V 5.174V 3.352V 5.003V 640.857 56.41°C 229.73V
60% 54.187A 5.802A 5.918A 2A 719.803 93.067% 654 13.8 42.63°C 0.983
12.180V 5.171V 3.346V 4.991V 773.48 56.03°C 229.71V
70% 63.294A 6.774A 6.917A 2.21A 839.563 92.525% 820 21 43.12°C 0.989
12.173V 5.167V 3.34V 4.978V 907.343 56.28°C 229.69V
80% 72.444A 7.745A 7.923A 2.315A 959.533 91.934% 954 25.4 43.71°C 0.991
12.171V 5.164V 3.332V 4.968V 1043.894 57.88°C 229.67V
90% 81.973A 8.234A 8.408A 2.42A 1079.34 91.358% 1102 29.4 44.44°C 0.993
12.161V 5.161V 3.33V 4.959V 1181.449 58°C 229.65V
100% 90.972A 8.724A 8.93A 4.076A 1199.585 90.592% 1370 37.4 45.73°C 0.994
12.146V 5.158V 3.326V 4.907V 1324.153 59.18°C 229.62V
110% 100.178A 9.7A 10.032A 4.083A 1319.426 89.864% 1713 42.4 46.32°C 0.995
12.140V 5.154V 3.319V 4.9V 1468.264 59.68°C 229.6V
CL1 0.115A 17.511A 18.076A 0A 151.305 84.055% 395 <6.0 40.04°C 0.93
12.239V 5.157V 3.297V 5.069V 180.189 56.65°C 229.8V
CL2 0.117A 24.171A 0A 0A 126.281 84.42% 0 <6.0 40.48°C 0.938
12.236V 5.165V 3.361V 5.074V 149.684 40.18°C 229.8V
CL3 0.114A 0A 25.14A 0A 83.895 77.317% 0 <6.0 42.97°C 0.934
12.247V 5.168V 3.281V 5.073V 108.675 41.24°C 229.81V
CL4 98.606A 0A 0A 0A 1199.937 91.239% 1285 36.7 45.27°C 0.994
12.169V 5.174V 3.369V 5.023V 1315.13 59.18°C 229.63V

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 1.212A 0.482A 0.488A 0.197A 20.01 80.804% 0 <6.0 48.57°C 0.484
12.262V 5.189V 3.38V 5.079V 24.809 36.07°C 114.76V
40W 2.668A 0.675A 0.684A 0.296A 40.005 85.419% 0 <6.0 51.35°C 0.654
12.256V 5.189V 3.379V 5.074V 46.891 37.5°C 114.76V
60W 4.126A 0.867A 0.879A 0.395A 60.002 87.743% 0 <6.0 53.39°C 0.912
12.250V 5.188V 3.378V 5.07V 68.391 38.46°C 114.74V
80W 5.580A 1.06A 1.075A 0.494A 79.945 88.772% 0 <6.0 54.37°C 0.923
12.242V 5.188V 3.376V 5.066V 90.097 39.05°C 114.74V

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 1.212A 0.482A 0.488A 0.197A 20.008 81.565% 0 <6.0 43.37°C 0.36
12.251V 5.189V 3.38V 5.077V 24.578 36.08°C 229.82V
40W 2.670A 0.675A 0.684A 0.296A 40.004 86.461% 0 <6.0 47.68°C 0.523
12.244V 5.188V 3.379V 5.072V 46.271 37.39°C 229.82V
60W 4.128A 0.867A 0.879A 0.395A 60.002 88.735% 0 <6.0 49.05°C 0.791
12.239V 5.188V 3.378V 5.068V 67.655 38.09°C 229.81V
80W 5.586A 1.06A 1.075A 0.494A 79.946 89.684% 0 <6.0 50.22°C 0.911
12.228V 5.187V 3.376V 5.064V 89.245 39.07°C 229.81V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load34.68mV20.83mV24.98mV12.98mVPass
20% Load21.43mV20.83mV23.34mV14.83mVPass
30% Load22.97mV22.32mV29.55mV14.06mVPass
40% Load23.63mV21.20mV22.11mV13.54mVPass
50% Load25.78mV21.20mV23.70mV13.85mVPass
60% Load26.95mV21.40mV24.73mV13.50mVPass
70% Load27.87mV21.09mV23.75mV13.65mVPass
80% Load33.45mV22.17mV29.96mV14.73mVPass
90% Load31.61mV22.22mV27.76mV13.80mVPass
100% Load31.70mV21.50mV27.58mV16.16mVPass
110% Load34.81mV22.83mV28.23mV15.45mVPass
Crossload120.39mV21.40mV25.89mV16.38mVPass
Crossload237.39mV27.51mV23.45mV16.62mVPass
Crossload340.10mV21.40mV28.37mV16.32mVPass
Crossload431.04mV23.13mV26.69mV16.79mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load36.16mV20.22mV22.83mV13.14mVPass
20% Load21.38mV19.91mV20.57mV13.24mVPass
30% Load23.78mV19.97mV32.32mV13.44mVPass
40% Load23.83mV19.81mV23.24mV13.80mVPass
50% Load24.45mV20.48mV22.06mV14.37mVPass
60% Load26.03mV21.35mV23.45mV13.39mVPass
70% Load27.31mV20.99mV21.91mV13.75mVPass
80% Load30.43mV22.79mV28.37mV14.16mVPass
90% Load30.07mV22.48mV29.14mV14.32mVPass
100% Load31.31mV22.77mV26.28mV17.48mVPass
110% Load33.17mV22.36mV29.81mV15.45mVPass
Crossload121.92mV21.34mV26.10mV15.63mVPass
Crossload240.05mV27.41mV22.68mV16.57mVPass
Crossload397.43mV22.89mV26.88mV16.42mVPass
Crossload431.40mV22.94mV28.79mV16.87mVPass

The results above are not used in the certification process

HyperX PS-4122-2 1200W

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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