CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
XPG Pylon II 550W (#2)
Serial Number-
Lab IDAD55003278
Certification ID263278
  • Test Result Report ID: 26PS3278A
  • Certificate Issue Date: May 20, 2026
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Outside Validation Scope
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

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

DUT Information(Non-accredited measurements)

Product Identification Details
BrandXPG
ModelPylon II 550W (#2)
OEM/ODMCWT
Serial Number-
Product Specifications
Manufacturer-Provided Information
Rated Voltage (Vrms)100-240
Rated Current (Arms)8
Rated Frequency (Hz)50-60
Rated Power (W)550
Operating Temperature (Continuous Full Load) (°C)0 - 40
TypeATX12V
Cable DesignFixed cables
WarrantyNo Info
Cybenetics Measurements
Dimensions (W x H x D)150 x 85 x 150mm
Weight1.88 kg (4.14 lb)
Cooling135mm Fluid Dynamic Bearing Fan (CWT13525H12F-9)
Semi-Passive Operation✗
Cybenetics Testing Information
Lab IDAD55003278
Date of receiptApr 23, 2026
Testing DateMay 18, 2026
Report Issued DateMay 20, 2026
Engineer NameIoannis Kalyviotis
Authorized By the Laboratory Technical ManagerAristeidis Bitziopoulos
Signature

Cables and Connectors(Non-accredited measurements)

Captive Cables
Description Cable Count Connector Count (Total) Gauge Cable Type
ATX connector 24 pin (580mm) 1 1 18-22AWG Tinned Copper
8 pin EPS12V (600mm) / 4+4 pin EPS12V (+145mm) 1 1 / 1 18AWG Copper
6+2 pin PCIe (550mm+150mm) 1 2 18AWG Copper
12+4 pin PCIe (615mm) (300W) 1 1 16-24AWG Tinned Copper
SATA (420mm+150mm+150mm) / 4-pin Molex (+150mm) 2 6 / 2 18AWG Copper

Protection Features(Manufacturer)

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

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202045.530.3
Watts120546153.6
Total Max. Power (W)550

Parts Description

General Data
Manufacturer (OEM) CWT
PCB Type Double-Sided
Primary Side
Transient Filter 2x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection NTC Thermistor SCK-0512 (5 Ohm @ 25°C)
Bridge Rectifier Yangjie Technology GBU1506 (600V, 10A @ 100°C)
APFC MOSFETs 2x Infineon IPA60R190P6 (600V, 12.7A @ 100°C, Rds(on): 0.190 Ohm)
APFC Boost Diode CRMicro CRXI06D065G2 (650V, 6A @ 167°C)
APFC Cap(s) TEAPO (400V, 330uF, 2.000h @ 105°C, LG )
Main Switchers 2x Infineon IPA60R190P6 (600V, 12.7A @ 100°C, Rds(on): 0.190 Ohm)

PFC/LLC Combo Controller

NXP TEA2017AAT

Topology Primary Side: APFC, Half-Bridge & LLC Resonant Converter
Secondary Side: [12V] Synchronous Rectification & [Minor Rails] DC-DC Converters
Secondary Side
+12V MOSFETs 4x PFC Device PFR30L45CT (45V, 30A @ 100°C)
5V & 3.3V DC-DC Converters: : 4x UBIQ Semiconductor QM3054M6 (30V, 61A @ 100°C, Rds(on): 4.8 mOhm)
PWM Controller(s): Anpec APW7159C
Filtering Capacitors

Electrolytic:
4x Elite ( @ 105°C, ED)
3x JunFu ( @ 105°C, WL)

Polymer:
5x CapXon, 3x APAQ

Supervisor IC INFSitronix IN1S429I-DCG
Fan Power Switch UTC SA928A-Y Bipolar Transistor
Fan Model CWT13525H12F-9 (135mm, 12V, 0.40A, Fluid Dynamic Bearing Fan)
5VSB Circuit
Rectifier Yangjie Technology SS10U45 (45V, 10A)
Standby PWM Controller On-Bright OB2365T

Test Results

Temperature & Compliance Info

Temperature Range (°C /°F)28-32 / 82.4-89.6
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)85.975%
Average Noise Output (>1450 Load Combinations)28.31dBA
Average PF (>1450 Load Combinations)0.997
Efficiency With 10W (≤500W) or 2% (>500W) Load67.028%
Standby Power Consumption0.0319W
Non-Accredited
12V Ripple (Full Load)50.65mV
5V Ripple (Full Load)30.86mV
3.3V Ripple (Full Load)30.13mV
5VSB Ripple (Full Load)36.83mV
12V Load Regulation1.05%
5V Load Regulation0.69%
3.3V Load Regulation0.73%
5VSB Load Regulation3.06%
Inrush Current22.920A
Accredited
Average Efficiency (>1450 load combinations)87.861%
Average Noise Output (>1450 Load Combinations)28.41dBA
Average PF (>1450 Load Combinations)0.987
Efficiency With 10W (≤500W) or 2% (>500W) Load67.376%
Standby Power Consumption0.0703W
Non-Accredited
12V Ripple (Full Load)50.50mV
5V Ripple (Full Load)31.52mV
3.3V Ripple (Full Load)30.34mV
5VSB Ripple (Full Load)30.54mV
12V Load Regulation1.02%
5V Load Regulation0.69%
3.3V Load Regulation0.73%
5VSB Load Regulation3.02%
Inrush Current58.380A
12V Transient Response (200%)11.53V
5V Transient Response (200%)4.902V
3.3V Transient Response (200%)3.223V
5VSB Transient Response (200%)5.033V
Hold-Up Time & PWR_OK Signal18.20ms
AC Loss to PWR_OK Hold Up Time15.30ms
PWR_OK Inactive to DC Loss Delay2.90ms
PSU Timings: T1 (20% / 100%)122.0ms118.0ms
PSU Timings: T3 (20% / 100%)115.0ms113.0ms
12V OCP (28.9°C / 42.6°C)57.20A (125.71%), 12.028V56.60A (124.40%), 12.018V
5V OCP (28.9°C / 42.6°C)22.3A (111.50%), 4.946V22A (110.00%), 4.946V
3.3V OCP (28.9°C / 42.6°C)22.9A (114.50%), 3.291V23A (115.00%), 3.295V
5VSB OCP (28.9°C / 42.6°C)4.6A (153.33%), 5.025V4.6A (153.33%), 5.019V
OPP (27.24°C / 40.74°C)136.84%136.84%

Hold-Up Time & PWR_OK Signal

Hold-Up Time (ms)18.2
AC Loss to PWR_OK Hold Up Time (ms)15.3
PWR_OK Inactive to DC Loss Delay (ms)2.9

Stromverbrauch im Ruhezustand

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.03 V 115.02 V 113.85 V 115.06 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.93 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 0.16 % 2.00 % PASS
Real Power: 0.032 W 0.013 W N/A 0.052 W N/A N/A
Apparent Power: 10.024 W 10.003 W N/A 10.045 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 230.11 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: 0.070 W 0.032 W N/A 0.113 W N/A N/A
Apparent Power: 32.710 W 32.669 W N/A 32.748 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 EN 55032 & 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 70.262% 0.034
5.152V 0.33W 115.04V
2 0.09A 0.464W 74.831% 0.063
5.151V 0.62W 115.04V
3 0.55A 2.826W 78.631% 0.245
5.138V 3.593W 115.04V
4 1A 5.126W 78.105% 0.314
5.125V 6.563W 115.04V
5 1.5A 7.668W 77.799% 0.349
5.111V 9.856W 115.04V
6 3A 15.206W 75.588% 0.405
5.069V 20.116W 115.03V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.232W 59.473% 0.012
5.15V 0.388W 229.96V
2 0.09A 0.464W 67.152% 0.022
5.149V 0.69W 230.05V
3 0.55A 2.825W 77.086% 0.106
5.137V 3.665W 230V
4 1A 5.125W 78.154% 0.166
5.124V 6.557W 230V
5 1.5A 7.667W 78.327% 0.213
5.111V 9.787W 230V
6 3A 15.204W 77.74% 0.287
5.068V 19.558W 230V

Protection Features

OCP (Normal @ 28.9°C)12V: 57.20A (125.71%), 12.028V
5V: 22.3A (111.50%), 4.946V
3.3V: 22.9A (114.50%), 3.291V
5VSB: 4.6A (153.33%), 5.025V
OCP (Hot @ 42.6°C)12V: 56.60A (124.40%), 12.018V
5V: 22A (110.00%), 4.946V
3.3V: 23A (115.00%), 3.295V
5VSB: 4.6A (153.33%), 5.019V
OPP (Normal @ 27.2°C)752.63W (136.84%)
OPP (Hot @ 40.7°C)752.64W (136.84%)
OTP✓ (112°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

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% 2.766A 2.006A 1.995A 0.977A 55.001 82.399% 947 26 40.17°C 0.985
12.073V 4.986V 3.309V 5.117V 66.784 41.49°C 115.02V
20% 6.554A 3.011A 2.995A 1.176A 109.94 86.187% 953 26.3 40.69°C 0.994
12.061V 4.982V 3.306V 5.104V 127.558 41.56°C 115.01V
30% 10.696A 3.515A 3.496A 1.375A 164.934 87.392% 955 26.5 41.35°C 0.997
12.049V 4.979V 3.304V 5.092V 188.704 42.8°C 114.98V
40% 14.856A 4.019A 3.998A 1.575A 220.017 87.908% 955 26.5 41.64°C 0.998
12.036V 4.976V 3.302V 5.079V 250.271 44.4°C 114.96V
50% 18.671A 5.027A 5.001A 1.777A 275.015 87.847% 956 26.6 42.11°C 0.998
12.024V 4.973V 3.3V 5.066V 313.081 45.91°C 114.94V
60% 22.500A 6.036A 6.005A 1.98A 330.02 87.518% 962 26.8 42.51°C 0.999
12.009V 4.971V 3.298V 5.051V 377.092 50.6°C 114.92V
70% 26.333A 7.048A 7.011A 2.184A 385.019 86.833% 1231 33.2 43.11°C 0.999
11.997V 4.967V 3.295V 5.038V 443.419 50.63°C 114.9V
80% 30.171A 8.058A 8.018A 2.288A 439.476 86.132% 1498 38.3 43.71°C 0.999
11.985V 4.963V 3.293V 5.027V 510.221 51.65°C 114.88V
90% 34.415A 8.565A 8.508A 2.392A 494.494 85.5% 1785 43.1 44.41°C 0.999
11.972V 4.961V 3.291V 5.017V 578.355 52.65°C 114.86V
100% 38.471A 9.074A 9.03A 3.005A 549.726 84.65% 2145 47.5 45.01°C 0.999
11.958V 4.958V 3.289V 4.992V 649.429 54.94°C 114.84V
110% 42.387A 10.089A 10.132A 3.01A 604.694 83.961% 2143 47.5 46.12°C 0.999
11.947V 4.955V 3.287V 4.984V 720.207 55.74°C 114.81V
CL1 0.116A 14.569A 14.492A 0A 121.287 82.04% 977 27.2 43.23°C 0.995
12.048V 4.955V 3.292V 5.119V 147.848 50.65°C 115V
CL2 0.115A 20.177A 0A 0A 101.342 80.144% 976 27.2 41.42°C 0.994
12.059V 4.954V 3.305V 5.129V 126.46 47.26°C 115V
CL3 0.118A 0A 20.042A 0A 67.434 75.876% 961 26.7 41.9°C 0.99
12.061V 4.98V 3.294V 5.13V 88.874 44.8°C 115.01V
CL4 45.943A 0A 0A 0A 549.57 85.686% 1703 41.4 45.88°C 0.999
11.962V 4.982V 3.303V 5.091V 641.411 56.7°C 114.84V

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% 2.766A 2.006A 1.995A 0.977A 55.008 83.48% 944 25.9 34.26°C 0.952
12.075V 4.986V 3.309V 5.117V 65.917 35.85°C 230V
20% 6.552A 3.011A 2.995A 1.176A 109.951 87.517% 945 25.9 34.85°C 0.975
12.063V 4.982V 3.306V 5.105V 125.623 36.8°C 229.99V
30% 10.696A 3.515A 3.496A 1.375A 164.947 88.909% 949 26.1 35.46°C 0.984
12.051V 4.979V 3.304V 5.092V 185.489 39.5°C 229.98V
40% 14.854A 4.019A 3.998A 1.575A 220.032 89.497% 950 26.1 35.66°C 0.989
12.038V 4.977V 3.302V 5.08V 245.881 40.74°C 229.97V
50% 18.668A 5.027A 5.001A 1.777A 275.032 89.577% 952 26.2 36.48°C 0.993
12.027V 4.974V 3.3V 5.067V 307.037 42.19°C 229.96V
60% 22.492A 6.036A 6.005A 1.979A 330.028 89.459% 955 26.5 36.91°C 0.995
12.014V 4.971V 3.298V 5.053V 368.909 43.88°C 229.95V
70% 26.324A 7.048A 7.012A 2.183A 385.03 89.098% 1119 31.2 37.25°C 0.996
12.001V 4.967V 3.295V 5.039V 432.162 44.78°C 229.94V
80% 30.167A 8.058A 8.019A 2.288A 439.518 88.521% 1379 36.5 37.79°C 0.997
11.987V 4.963V 3.292V 5.028V 496.511 45.18°C 229.93V
90% 34.411A 8.566A 8.51A 2.392A 494.541 88.075% 1649 40.8 38.51°C 0.998
11.974V 4.961V 3.29V 5.018V 561.506 45.96°C 229.92V
100% 38.465A 9.074A 9.032A 3.005A 549.776 87.492% 1974 45.5 39.87°C 0.998
11.961V 4.958V 3.288V 4.993V 628.409 47.01°C 229.91V
110% 42.389A 10.089A 10.134A 3.01A 604.757 86.927% 2139 47.4 40.29°C 0.998
11.948V 4.955V 3.286V 4.984V 695.741 47.87°C 229.9V
CL1 0.116A 14.568A 14.495A 0A 121.29 83.102% 962 26.8 35.26°C 0.979
12.056V 4.955V 3.291V 5.121V 145.941 41.05°C 229.98V
CL2 0.116A 20.175A 0A 0A 101.346 81.393% 961 26.7 34.1°C 0.975
12.065V 4.954V 3.305V 5.13V 124.545 39.53°C 229.99V
CL3 0.118A 0A 20.045A 0A 67.439 76.944% 950 26.1 34.83°C 0.965
12.067V 4.98V 3.293V 5.131V 87.653 38.62°C 230V
CL4 45.977A 0A 0A 0A 549.677 88.39% 1657 40.9 39.25°C 0.998
11.956V 4.982V 3.303V 5.089V 621.904 49.26°C 229.91V

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 1.228A 0.501A 0.498A 0.194A 19.994 73.514% 940 25.7 36.77°C 0.954
12.084V 4.992V 3.313V 5.145V 27.213 38.1°C 115.03V
40W 2.706A 0.701A 0.698A 0.292A 39.996 80.338% 944 25.9 37.75°C 0.977
12.078V 4.99V 3.312V 5.139V 49.793 38.89°C 115.02V
60W 4.186A 0.902A 0.897A 0.389A 59.996 83.795% 945 25.9 38.24°C 0.986
12.073V 4.989V 3.311V 5.134V 71.608 39.32°C 115.02V
80W 5.660A 1.103A 1.097A 0.487A 79.942 85.456% 944 25.9 39.13°C 0.991
12.069V 4.988V 3.31V 5.129V 93.554 40.61°C 115.01V

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 1.230A 0.501A 0.498A 0.194A 20.007 74.734% 938 25.7 30.81°C 0.629
12.083V 4.992V 3.312V 5.144V 26.834 32.53°C 230V
40W 2.706A 0.701A 0.698A 0.292A 40.005 81.387% 938 25.7 31.8°C 0.899
12.079V 4.99V 3.311V 5.139V 49.209 33.38°C 230V
60W 4.186A 0.902A 0.897A 0.39A 60.005 84.791% 941 25.7 32.92°C 0.957
12.075V 4.989V 3.31V 5.134V 70.79 34.58°C 230V
80W 5.660A 1.103A 1.097A 0.487A 79.957 86.715% 941 25.7 33.41°C 0.967
12.070V 4.987V 3.309V 5.129V 92.216 35.11°C 229.99V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load34.64mV25.90mV25.98mV25.32mVPass
20% Load30.13mV26.41mV26.29mV25.52mVPass
30% Load27.88mV26.36mV28.54mV25.01mVPass
40% Load31.36mV26.52mV25.83mV26.80mVPass
50% Load31.87mV26.46mV26.50mV26.55mVPass
60% Load34.48mV26.67mV27.83mV26.60mVPass
70% Load43.23mV29.33mV28.70mV27.67mVPass
80% Load49.42mV29.83mV31.77mV28.80mVPass
90% Load49.32mV30.30mV30.18mV29.16mVPass
100% Load50.65mV30.86mV30.13mV36.83mVPass
110% Load53.11mV30.60mV30.23mV40.51mVPass
Crossload137.40mV33.31mV31.56mV27.72mVPass
Crossload234.33mV40.51mV30.13mV26.19mVPass
Crossload346.30mV28.92mV36.47mV26.80mVPass
Crossload450.19mV28.10mV27.88mV26.96mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load35.10mV25.34mV25.73mV25.63mVPass
20% Load28.14mV25.44mV26.09mV24.86mVPass
30% Load29.88mV25.54mV25.42mV25.93mVPass
40% Load30.59mV26.98mV25.78mV25.47mVPass
50% Load31.62mV26.41mV26.24mV25.68mVPass
60% Load34.89mV27.48mV27.47mV28.69mVPass
70% Load42.41mV29.37mV28.75mV27.27mVPass
80% Load42.01mV30.09mV30.85mV28.44mVPass
90% Load47.07mV32.80mV30.23mV29.31mVPass
100% Load50.50mV31.52mV30.34mV30.54mVPass
110% Load50.75mV30.86mV30.28mV29.97mVPass
Crossload132.90mV34.18mV31.61mV27.72mVPass
Crossload234.84mV39.75mV31.35mV26.55mVPass
Crossload347.22mV29.58mV35.04mV27.27mVPass
Crossload448.81mV27.59mV28.49mV27.21mVPass

The results above are not used in the certification process

XPG Pylon II 550W (#2)

Top side
Power specifications label
Fan
PSU Internals
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