CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
XPG Pylon II 550W
Serial Number-
Lab IDAD55003027
Certification ID253027
  • Test Result Report ID: 25PS3027A
  • Certificate Issue Date: Nov 13, 2025
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

DUT Information

BrandXPG
Manufacturer (OEM)CWT
SeriesPylon II
Model NumberPYLONII550BRONZE
Serial Number-
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)8
Rated Frequency (Hz)50-60
Rated Power (W)550
TypeATX12V
Dimensions (W x H x D)150 x 85 x 150mmmm
Cooling135mm Fluid Dynamic Bearing Fan (CWT13525H12F-9)
Semi-Passive Operation✗
Cable DesignFixed cables

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202045.530.3
Watts120550153.6
Total Max. Power (W)550

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

Captive Cables
Description Cable Count Connector Count (Total) Gauge Cable Type
ATX connector 24 pin (570mm) 1 1 18-22AWG Tinned Copper
8 pin EPS12V (600mm) / 4+4 pin EPS12V (+150mm) 1 1 / 1 18AWG Copper
6+2 pin PCIe (540mm+150mm) 1 2 18AWG Copper
12+4 pin PCIe (590mm) (300W) 1 1 16-24AWG Tinned Copper
SATA (430mm+150mm+150mm) / 4-pin Molex (+150mm) 2 6 / 2 18AWG Copper

Parts Description

General Data
Manufacturer (OEM) CWT
PCB Type Single-Sided
Primary Side
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV, 1x Sync Power SP687 (X Capacitor Bleeder)
Inrush Protection NTC Thermistor SCK0512 (5 Ohm @ 25°C)
Bridge Rectifier(s)
GBU1006 (600V, 10A @ 100°C)
APFC MOSFETs
2x InPower ITA20N50R (500V, 12.5A @ 100°C, Rds(on): 0.3Ohm)
APFC Boost Diode
CRMicro CRXI06D065G2 (650V, 6A @ 167°C)
Bulk Cap(s)
Rubycon (400V, 330uF, 2000h @ 105°C, MXE)
Main Switchers
2x InPower ITA20N50R (500V, 12.5A @ 100°C, Rds(on): 0.3Ohm)

PFC/LLC Resonant Combo Controller

NXP TEA2017AAT/2
Topology Primary side: APFC, Half-Bridge & LLC Resonant Converter
Secondary side: [12V] Passive Rectification & [Minor Rails] DC-DC converters
Secondary Side
+12V MOSFETs 4x PFC PFR30L45CT (45V, 30A @ 25°C)
5V & 3.3V DC-DC Converters: 4x UBIQ Semi QM3054M6 (30V, 61A @ 100°C, Rds(on): 4.8mOhm)
PWM Controller(s): ANPEC APW7159C
Filtering Capacitors

Electrolytic:
5x Elite (2-5,000h @ 105°C, ED)
2x Jun Fu (2,000h @ 105°C, WG)
2x Jun Fu (@ 105°C, WL)
Polymer:
8x Elite (RP)
Supervisor IC IN1S4291-DCG
Fan Model CWT13525H12F-9 (135mm, 12V, 0.4A, Fluid Dynamic Bearing Fan)
5VSB Circuit
Rectifier
YANGJIE SS10U45 (45V, 10A)
Standby PWM Controller
On-Bright OB2365T

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 RatingSILVER
Noise RatingA-
Average Efficiency (>1450 load combinations)85.482%
Average Noise Output (>1450 Load Combinations)28.62dBA
Average PF (>1450 Load Combinations)0.996
Efficiency With 10W (≤500W) or 2% (>500W) Load69.780%
Standby Power Consumption0.0333W
12V Ripple (Full Load)34.56mV
5V Ripple (Full Load)19.43mV
3.3V Ripple (Full Load)13.51mV
5VSB Ripple (Full Load)16.13mV
12V Load Regulation0.69%
5V Load Regulation0.06%
3.3V Load Regulation0.12%
5VSB Load Regulation3.23%
Inrush Current29.750A
Efficiency RatingSILVER
Noise RatingA-
Average Efficiency (>1450 load combinations)87.923%
Average Noise Output (>1450 Load Combinations)28.61dBA
Average PF (>1450 Load Combinations)0.986
Efficiency With 10W (≤500W) or 2% (>500W) Load72.560%
Standby Power Consumption0.0718W
12V Ripple (Full Load)41.41mV
5V Ripple (Full Load)20.35mV
3.3V Ripple (Full Load)13.30mV
5VSB Ripple (Full Load)14.16mV
12V Load Regulation0.73%
5V Load Regulation0.32%
3.3V Load Regulation0.06%
5VSB Load Regulation3.27%
Inrush Current61.050A
12V Transient Response (200%)11.56V
5V Transient Response (200%)4.961V
3.3V Transient Response (200%)3.298V
5VSB Transient Response (200%)5.038V
Hold-Up Time & Power Ok Signal19.00ms
AC Loss to PWR_OK Hold Up Time15.10ms
PWR_OK Inactive to DC Loss Delay3.90ms
PSU Timings: T1 (20% / 100%)127.0ms101.0ms
PSU Timings: T3 (20% / 100%)115.0ms115.0ms
12V OCP (27.2°C / 43.8°C)54.80A (120.44%), 12.026V54.00A (118.68%), 12.019V
5V OCP (27.2°C / 43.8°C)24.2A (121.00%), 5.042V24A (120.00%), 5.044V
3.3V OCP (27.2°C / 43.8°C)24.2A (121.00%), 3.402V24.3A (121.50%), 3.4V
5VSB OCP (27.2°C / 43.8°C)4.6A (153.33%), 5.022V4.6A (153.33%), 5.012V
OPP (28.03°C / 43.24°C)140.72%139.09%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)19
AC Loss to PWR_OK Hold Up Time (ms)15.1
PWR_OK Inactive to DC Loss Delay (ms)3.9

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 114.99 V 114.96 V 113.85 V 115.01 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 1.416 1.490 PASS
Mains Voltage THD: 0.13 % 0.10 % N/A 0.16 % 2.00 % PASS
Real Power: 0.033 W 0.014 W N/A 0.054 W N/A N/A
Apparent Power: 10.138 W 10.116 W N/A 10.162 W N/A N/A
Power Factor: 0.004 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 229.99 V 229.95 V 227.70 V 229.99 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: 0.15 % 0.13 % N/A 0.16 % 2.00 % PASS
Real Power: 0.072 W 0.033 W N/A 0.125 W N/A N/A
Apparent Power: 33.225 W 33.187 W N/A 33.261 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 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 0.232W 71.713% 0.033
5.159V 0.324W 114.97V
2 0.09A 0.464W 75.677% 0.061
5.159V 0.613W 114.92V
3 0.55A 2.832W 79.188% 0.272
5.146V 3.576W 114.94V
4 1A 5.135W 78.639% 0.369
5.134V 6.53W 114.95V
5 1.5A 7.681W 78.351% 0.418
5.119V 9.805W 114.96V
6 3.001A 15.232W 76.584% 0.483
5.077V 19.889W 114.96V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.232W 59.944% 0.012
5.161V 0.388W 230.1V
2 0.09A 0.464W 66.806% 0.021
5.16V 0.695W 230.1V
3 0.55A 2.832W 76.956% 0.106
5.147V 3.681W 230.1V
4 1A 5.136W 78.074% 0.175
5.134V 6.578W 230.08V
5 1.5A 7.682W 78.488% 0.235
5.12V 9.788W 230.06V
6 3.001A 15.234W 78.406% 0.338
5.077V 19.428W 230.04V

Protection Features

OCP (Normal @ 27.2°C)12V: 54.80A (120.44%), 12.026V
5V: 24.2A (121.00%), 5.042V
3.3V: 24.2A (121.00%), 3.402V
5VSB: 4.6A (153.33%), 5.022V
OCP (Hot @ 43.8°C)12V: 54.00A (118.68%), 12.019V
5V: 24A (120.00%), 5.044V
3.3V: 24.3A (121.50%), 3.4V
5VSB: 4.6A (153.33%), 5.012V
OPP (Normal @ 28.0°C)773.96W (140.72%)
OPP (Hot @ 43.2°C)765.00W (139.09%)
OTP✓ (104°C @ Heat Sink)
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% 2.768A 1.99A 1.974A 0.976A 55.006 82.538% 956 26.6 40.15°C 0.986
12.070V 5.027V 3.343V 5.124V 66.65 41.57°C 114.94V
20% 6.554A 2.985A 2.961A 1.174A 109.954 86.349% 958 26.6 40.52°C 0.995
12.062V 5.027V 3.343V 5.11V 127.329 42.57°C 114.93V
30% 10.693A 3.483A 3.456A 1.374A 164.948 87.329% 961 26.7 41.39°C 0.997
12.054V 5.026V 3.342V 5.097V 188.889 45.48°C 114.93V
40% 14.846A 3.981A 3.95A 1.574A 220.029 87.519% 964 26.8 41.52°C 0.998
12.046V 5.025V 3.342V 5.084V 251.381 47.23°C 114.92V
50% 18.654A 4.976A 4.936A 1.776A 275.024 87.254% 967 26.9 42.12°C 0.999
12.036V 5.026V 3.343V 5.069V 315.195 50.16°C 114.9V
60% 22.469A 5.97A 5.922A 1.979A 330.029 86.553% 1310 35 42.75°C 0.999
12.026V 5.026V 3.344V 5.054V 381.29 51.1°C 114.88V
70% 26.286A 6.966A 6.909A 2.183A 385.044 85.911% 1551 39 43.16°C 0.999
12.019V 5.026V 3.344V 5.039V 448.205 50.81°C 114.85V
80% 30.126A 7.96A 7.894A 2.288A 439.731 85.219% 1750 42.1 43.66°C 0.999
12.011V 5.026V 3.344V 5.028V 515.979 50.96°C 114.83V
90% 34.347A 8.459A 8.373A 2.392A 494.777 84.513% 1967 45.4 44.51°C 0.999
12.003V 5.025V 3.344V 5.018V 585.446 52.49°C 114.81V
100% 38.380A 8.958A 8.883A 3.006A 550.005 83.588% 2150 47.5 45.17°C 0.999
11.993V 5.024V 3.343V 4.991V 658.004 56.1°C 114.79V
110% 42.277A 9.952A 9.957A 3.012A 604.963 82.691% 2147 47.5 46.3°C 0.999
11.984V 5.024V 3.344V 4.981V 731.606 58.01°C 114.78V
CL1 0.116A 14.324A 14.169A 0A 121.297 82.336% 976 27.2 40.84°C 0.996
12.047V 5.041V 3.366V 5.121V 147.309 49.02°C 114.93V
CL2 0.116A 19.78A 0A 0A 101.395 80.73% 975 27.2 40.8°C 0.995
12.056V 5.055V 3.334V 5.134V 125.592 45.51°C 114.94V
CL3 0.116A 0A 19.508A 0A 67.389 77.712% 958 26.6 40.56°C 0.991
12.058V 5.019V 3.383V 5.135V 86.735 43.11°C 114.96V
CL4 45.785A 0A 0A 0A 549.673 84.784% 1792 43.1 45.68°C 0.999
12.005V 5.017V 3.326V 5.094V 648.322 55.9°C 114.83V

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% 2.768A 1.991A 1.976A 0.977A 55.017 84.019% 963 26.8 40.05°C 0.949
12.069V 5.024V 3.341V 5.121V 65.477 43.29°C 229.99V
20% 6.556A 2.988A 2.964A 1.175A 109.979 88.101% 966 26.8 40.82°C 0.976
12.061V 5.022V 3.341V 5.108V 124.823 44.74°C 229.98V
30% 10.696A 3.487A 3.459A 1.374A 164.984 89.154% 967 26.9 41.07°C 0.984
12.053V 5.021V 3.34V 5.095V 185.065 45.89°C 229.97V
40% 14.850A 3.986A 3.954A 1.575A 220.075 89.511% 970 27 41.87°C 0.989
12.044V 5.019V 3.339V 5.081V 245.85 48.08°C 229.96V
50% 18.660A 4.984A 4.943A 1.777A 275.081 89.365% 1104 30.8 42.23°C 0.992
12.034V 5.018V 3.339V 5.066V 307.818 49.81°C 229.95V
60% 22.475A 5.982A 5.93A 1.98A 330.083 89.01% 1345 35.9 42.77°C 0.995
12.025V 5.017V 3.34V 5.051V 370.838 50.22°C 229.94V
70% 26.293A 6.981A 6.918A 2.184A 385.091 88.564% 1597 39.9 43.35°C 0.996
12.017V 5.016V 3.34V 5.037V 434.802 50.84°C 229.93V
80% 30.140A 7.98A 7.906A 2.289A 439.852 88.106% 1814 43.1 43.58°C 0.997
12.009V 5.014V 3.34V 5.026V 499.221 51.44°C 229.93V
90% 34.363A 8.481A 8.386A 2.394A 494.879 87.633% 2053 46.1 44.21°C 0.998
12.000V 5.012V 3.339V 5.015V 564.716 52.33°C 229.92V
100% 38.395A 8.982A 8.896A 3.008A 550.098 87.061% 2157 47.7 45.95°C 0.998
11.991V 5.011V 3.339V 4.988V 631.846 55.17°C 229.91V
110% 42.301A 9.982A 9.971A 3.014A 605.106 86.504% 2157 47.7 46.62°C 0.999
11.981V 5.01V 3.34V 4.978V 699.542 56.8°C 229.9V
CL1 0.117A 14.382A 14.185A 0A 121.316 83.597% 977 27.2 40.08°C 0.98
12.045V 5.02V 3.363V 5.119V 145.138 46.18°C 229.97V
CL2 0.116A 19.875A 0A 0A 101.407 16.224% 982 26.8 41.28°C 0.998
12.055V 5.031V 3.335V 5.131V 625.05 47.47°C 229.95V
CL3 0.116A 0A 19.526A 0A 67.404 10.784% 968 26.9 41.46°C 0.998
12.055V 5.019V 3.38V 5.132V 625.05 46.41°C 229.95V
CL4 45.823A 0A 0A 0A 549.911 87.979% 1898 44.4 45.6°C 0.998
12.001V 5.017V 3.326V 5.091V 625.05 54.53°C 229.95V

The results above are not used in the certification process

Light Load Tests

est 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
20W 1.231A 0.497A 0.494A 0.194A 20.015 75.455% 945 25.9 36.4°C 0.952
12.076V 5.027V 3.341V 5.152V 26.535 38.81°C 114.93V
40W 2.709A 0.696A 0.691A 0.292A 40.009 80.872% 947 26 37.31°C 0.977
12.070V 5.026V 3.341V 5.146V 49.481 40.79°C 114.93V
60W 4.188A 0.896A 0.889A 0.389A 60.003 83.827% 950 26.1 38.42°C 0.987
12.067V 5.026V 3.341V 5.141V 71.579 40.03°C 114.93V
80W 5.665A 1.095A 1.087A 0.487A 79.965 85.875% 951 26.1 39.15°C 0.992
12.061V 5.025V 3.34V 5.136V 93.115 40.99°C 114.93V

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 0.497A 0.494A 0.194A 20.011 76.335% 952 26.2 36.06°C 0.609
12.078V 5.027V 3.341V 5.151V 26.207 37.61°C 230V
40W 2.708A 0.697A 0.691A 0.292A 40.009 82.302% 955 26.5 37.12°C 0.889
12.075V 5.025V 3.341V 5.146V 48.622 39.24°C 230V
60W 4.186A 0.896A 0.889A 0.389A 60.008 85.433% 958 26.6 38.75°C 0.954
12.071V 5.024V 3.34V 5.14V 70.211 41.13°C 230V
80W 5.664A 1.095A 1.087A 0.487A 79.98 87.451% 960 26.7 39.15°C 0.967
12.068V 5.024V 3.34V 5.134V 91.469 42.27°C 229.99V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load23.10mV11.53mV7.73mV8.76mVPass
20% Load15.93mV11.53mV7.02mV8.41mVPass
30% Load17.05mV12.19mV7.32mV8.36mVPass
40% Load18.98mV12.85mV7.53mV8.71mVPass
50% Load21.63mV13.98mV8.29mV10.70mVPass
60% Load31.65mV16.58mV9.36mV10.95mVPass
70% Load33.99mV17.34mV9.77mV11.67mVPass
80% Load41.98mV18.11mV12.16mV12.94mVPass
90% Load38.93mV18.77mV12.97mV13.40mVPass
100% Load34.56mV19.43mV13.51mV16.13mVPass
110% Load44.97mV20.68mV14.66mV21.40mVPass
Crossload121.08mV21.86mV15.59mV10.05mVPass
Crossload222.90mV29.33mV10.22mV10.90mVPass
Crossload319.08mV15.71mV21.72mV8.97mVPass
Crossload432.13mV14.17mV9.79mV9.25mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load20.51mV11.32mV7.43mV8.66mVPass
20% Load15.77mV11.58mV7.07mV8.00mVPass
30% Load16.69mV12.04mV7.12mV8.36mVPass
40% Load18.27mV13.11mV7.32mV8.46mVPass
50% Load29.87mV15.41mV8.85mV11.05mVPass
60% Load30.68mV16.22mV9.10mV10.70mVPass
70% Load34.81mV17.14mV9.10mV11.36mVPass
80% Load42.69mV18.16mV12.26mV12.69mVPass
90% Load37.81mV18.87mV12.36mV13.50mVPass
100% Load41.41mV20.35mV13.30mV14.16mVPass
110% Load39.94mV20.82mV13.64mV14.59mVPass
Crossload119.80mV22.68mV15.80mV10.50mVPass
Crossload221.06mV28.46mV9.87mV10.50mVPass
Crossload319.79mV15.56mV21.36mV8.97mVPass
Crossload438.47mV13.49mV9.27mV9.27mVPass

The results above are not used in the certification process

XPG Pylon II 550W

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
CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
www.cybenetics.com - info@cybenetics.com