CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
Chieftec Vega M 850W
Serial Number2525050010991850SGD1F20004732
Lab IDCF85002943
Certification ID252943
  • Test Result Report ID: 25PS2943A
  • Certificate Issue Date: Sep 3, 2025
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

DUT Information

BrandChieftec
Manufacturer (OEM)High Power
SeriesVega M
Model NumberPPG-850-C
Serial Number2525050010991850SGD1F20004732
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)6-12
Rated Frequency (Hz)50-60
Rated Power (W)850
TypeATX12V
Dimensions (W x H x D)
Cooling135mm Fluid Dynamic Bearing Fan (PL4Z S1352512H)
Semi-Passive Operation✗
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202070.830.3
Watts100850153.6
Total Max. Power (W)850

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 Cable Type
ATX connector 24 pin (600mm) 1 1 18AWG Tinned Copper
8 pin EPS12V (650mm) / 4+4 pin EPS12V (+150mm) 1 1 / 1 18AWG Tinned Copper
6+2 pin PCIe (650mm+150mm) 2 4 18AWG Tinned Copper
12+4 pin PCIe (610mm) (600W) 1 1 16-24AWG Tinned Copper
SATA (400mm+155mm+155mm) 2 6 18AWG Tinned Copper
4-pin Molex (400mm+155mm+155mm) 1 3 18AWG Tinned Copper
AC Power Cord (1370mm) - C13 coupler 1 1 16AWG -

Parts Description

General Data
Manufacturer (OEM) High Power
PCB Type Double-Sided
Primary Side
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV, 1x MPS HF81
(X Capacitor Bleeder)
Inrush Protection NTC Thermistor SCK-057 (5 Ohm @ 25°C) & Relay
Bridge Rectifier
2x HY GBU1006F (600V, 10A @ 100°C)
APFC MOSFETs
2x Sanrise Tech SRC60R108BS (650V, 14A @ 125°C, Rds(on): 108mOhm)
APFC Boost Diode
Macrocore Semiconductor HX1D08065A
Bulk Cap(s)
Teapo (420V, 680uF, 2000h @ 105°C, LS)
Main Switchers
2x Wuhan Xinyuan CWS60R099B (600V, 25A @ 100°C, Rds(on): 0.099Ohm)

APFC Controller

Infineon ICE3PCSO1G
Resonant Controller
Champion CU6901VAC
Topology Primary side: APFC, Half-Bridge & LLC Resonant Converter
Secondary side: [12V] Synchronous Rectification & [Minor Rails] DC-DC converters
Secondary Side
+12V MOSFETs 6x Toshiba TPHR8504PL (40V, 340A @ 100°C, Rds(on): 0.85mOhm)
5V & 3.3V DC-DC Converters: 4x Vishay SiRA12BDP (30V, 59A @ 100°C, Rds(on): 0.0043Ohm)
PWM Controller(s): UPI-Semi uP3861P
Filtering Capacitors

Electrolytic:
9x Teapo (1-3,000 @ 105°C, SC)
Teapo (1,000 @ 105°C, SEK)
Polymer:
22x Teapo
Supervisor IC Weltrend WT7527RA (OVP, UVP, OCP, PG)
Fan Model Globe Fan RL4Z S1352512H (135mm, 12V, 0.33A, Fluid Dynamic Bearing Fan)
5VSB Circuit
Synchronous Rectifier IC
Shenzhen LP3510
Standby PWM Controller
Si-Trend SI8016HSP8

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 RatingGOLD
Noise RatingA
Average Efficiency (>1450 load combinations)88.820%
Average Noise Output (>1450 Load Combinations)24.96dBA
Average PF (>1450 Load Combinations)0.993
Efficiency With 10W (≤500W) or 2% (>500W) Load73.254%
Standby Power Consumption0.0757W
12V Ripple (Full Load)20.58mV
5V Ripple (Full Load)18.57mV
3.3V Ripple (Full Load)20.08mV
5VSB Ripple (Full Load)11.90mV
12V Load Regulation1.38%
5V Load Regulation0.64%
3.3V Load Regulation0.58%
5VSB Load Regulation3.48%
Inrush Current223.100A
Efficiency RatingGOLD
Noise RatingA-
Average Efficiency (>1450 load combinations)90.596%
Average Noise Output (>1450 Load Combinations)25.44dBA
Average PF (>1450 Load Combinations)0.965
Efficiency With 10W (≤500W) or 2% (>500W) Load75.327%
Standby Power Consumption0.1449W
12V Ripple (Full Load)15.65mV
5V Ripple (Full Load)10.30mV
3.3V Ripple (Full Load)13.29mV
5VSB Ripple (Full Load)8.55mV
12V Load Regulation1.22%
5V Load Regulation0.60%
3.3V Load Regulation0.46%
5VSB Load Regulation3.51%
Inrush Current419.200A
12V Transient Response (200%)11.37V
5V Transient Response (200%)4.917V
3.3V Transient Response (200%)3.197V
5VSB Transient Response (200%)4.986V
Hold-Up Time & Power Ok Signal19.60ms
AC Loss to PWR_OK Hold Up Time14.80ms
PWR_OK Inactive to DC Loss Delay4.80ms
PSU Timings: T1 (20% / 100%)101.0ms82.0ms
PSU Timings: T3 (20% / 100%)123.0ms122.0ms
12V OCP (30.4°C / 42.1°C)100.00A (141.24%), 11.905V91.80A (129.66%), 11.925V
5V OCP (30.4°C / 42.1°C)25.9A (129.50%), 5.008V25.37A (126.85%), 5.01V
3.3V OCP (30.4°C / 42.1°C)26.1A (130.50%), 3.301V25.7A (128.50%), 3.302V
5VSB OCP (30.4°C / 42.1°C)5.101A (170.03%), 4.97V5.001A (166.70%), 4.969V
OPP (31.29°C / 43.68°C)139.43%128.84%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)19.6
AC Loss to PWR_OK Hold Up Time (ms)14.8
PWR_OK Inactive to DC Loss Delay (ms)4.8

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 114.83 V 114.78 V 113.85 V 114.88 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.98 Hz 59.40 Hz 60.02 Hz 60.60 Hz PASS
Mains Voltage CF: 1.419 1.418 1.340 1.420 1.490 PASS
Mains Voltage THD: 0.14 % 0.12 % N/A 0.19 % 2.00 % PASS
Real Power: 0.076 W 0.069 W N/A 0.083 W N/A N/A
Apparent Power: 7.375 W 7.355 W N/A 7.397 W N/A N/A
Power Factor: 0.010 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 229.86 V 229.78 V 227.70 V 229.90 V 232.30 V PASS
Mains Frequency: 50.00 Hz 50.00 Hz 49.50 Hz 50.01 Hz 50.50 Hz PASS
Mains Voltage CF: 1.418 1.418 1.340 1.419 1.490 PASS
Mains Voltage THD: 0.15 % 0.13 % N/A 0.18 % 2.00 % PASS
Real Power: 0.145 W 0.133 W N/A 0.166 W N/A N/A
Apparent Power: 24.887 W 24.848 W N/A 24.916 W N/A N/A
Power Factor: 0.006 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 73.764% 0.042
5.116V 0.309W 115.08V
2 0.09A 0.46W 78.152% 0.078
5.115V 0.589W 115.08V
3 0.55A 2.807W 84.133% 0.304
5.102V 3.337W 115.07V
4 1A 5.091W 84.435% 0.389
5.091V 6.03W 115.07V
5 1.5A 7.617W 84.504% 0.428
5.077V 9.013W 115.07V
6 3A 15.112W 82.955% 0.485
5.037V 18.218W 115.07V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.23W 63.713% 0.015
5.116V 0.361W 230.22V
2 0.09A 0.46W 72.241% 0.027
5.115V 0.637W 230.22V
3 0.55A 2.807W 82.482% 0.132
5.102V 3.403W 230.22V
4 1A 5.091W 83.409% 0.209
5.09V 6.103W 230.22V
5 1.5A 7.616W 83.534% 0.27
5.077V 9.116W 230.22V
6 3A 15.112W 83.432% 0.36
5.037V 18.113W 230.22V

Protection Features

OCP (Normal @ 30.4°C)12V: 100.00A (141.24%), 11.905V
5V: 25.9A (129.50%), 5.008V
3.3V: 26.1A (130.50%), 3.301V
5VSB: 5.101A (170.03%), 4.97V
OCP (Hot @ 42.1°C)12V: 91.80A (129.66%), 11.925V
5V: 25.37A (126.85%), 5.01V
3.3V: 25.7A (128.50%), 3.302V
5VSB: 5.001A (166.70%), 4.969V
OPP (Normal @ 31.3°C)1185.19W (139.43%)
OPP (Hot @ 43.7°C)1095.17W (128.84%)
OTP✓ (117°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 & 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% 5.271A 1.995A 1.993A 0.985A 84.999 84.742% 621 18.5 40.3°C 0.972
12.028V 5.013V 3.311V 5.077V 100.282 42.8°C 115.1V
20% 11.571A 2.994A 2.992A 1.185A 169.921 89.463% 623 18.6 40.89°C 0.986
12.015V 5.01V 3.309V 5.063V 189.949 43.18°C 115.07V
30% 18.262A 3.495A 3.493A 1.386A 254.921 91.198% 623 18.6 41.17°C 0.996
11.985V 5.008V 3.307V 5.049V 279.534 44.84°C 115.03V
40% 24.963A 3.996A 3.994A 1.589A 340.003 91.183% 623 18.6 41.73°C 0.996
11.970V 5.006V 3.305V 5.034V 372.856 45.52°C 115V
50% 31.302A 4.999A 4.996A 1.793A 424.762 90.874% 631 18.5 42.49°C 0.997
11.957V 5.002V 3.303V 5.019V 467.449 47.55°C 114.97V
60% 37.642A 6.003A 5.999A 1.999A 509.3 90.393% 818 27.3 42.64°C 0.997
11.941V 4.998V 3.301V 5.004V 563.394 47.63°C 114.93V
70% 44.063A 7.009A 7.003A 2.205A 594.618 89.726% 1036 34.3 43.07°C 0.998
11.927V 4.994V 3.299V 4.988V 662.733 49.15°C 114.9V
80% 50.499A 8.015A 8.007A 2.311A 679.441 89.036% 1211 38.7 43.64°C 0.998
11.912V 4.99V 3.297V 4.975V 763.161 50.37°C 114.86V
90% 57.349A 8.52A 8.498A 2.418A 764.869 88.311% 1360 41.7 44.82°C 0.998
11.899V 4.988V 3.295V 4.962V 866.165 51.82°C 114.83V
100% 63.951A 9.026A 9.02A 3.039A 849.676 87.438% 1452 44 45.32°C 0.998
11.885V 4.985V 3.292V 4.936V 971.79 53.05°C 114.79V
110% 70.427A 10.037A 10.12A 3.046A 934.257 86.511% 1455 44.2 46.53°C 0.998
11.871V 4.981V 3.29V 4.924V 1079.937 55.6°C 114.76V
CL1 0.115A 12.068A 11.986A 0A 101.284 81.449% 680 21.1 41.35°C 0.977
12.016V 4.988V 3.312V 5.083V 124.361 46.63°C 115.08V
CL2 0.115A 20.14A 0A 0A 101.355 79.977% 631 18.5 41.33°C 0.978
12.024V 4.964V 3.312V 5.091V 126.8 46.58°C 115.08V
CL3 0.115A 0A 19.948A 0A 67.375 74.569% 626 18.5 41.06°C 0.969
12.022V 5.019V 3.308V 5.086V 90.336 45.27°C 115.09V
CL4 71.424A 0A 0A 0A 849.434 88.125% 1412 42.8 45.58°C 0.998
11.894V 5.011V 3.291V 5.035V 963.916 52.4°C 114.79V

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% 5.273A 1.994A 1.993A 0.985A 85.004 85.289% 627 18.5 40.28°C 0.848
12.026V 5.014V 3.311V 5.077V 99.699 43.57°C 230.25V
20% 11.573A 2.993A 2.991A 1.185A 169.939 90.369% 629 18.4 40.79°C 0.942
12.014V 5.011V 3.31V 5.062V 188.045 44.75°C 230.24V
30% 18.278A 3.494A 3.492A 1.387A 254.943 92.296% 628 18.4 41.46°C 0.967
11.976V 5.009V 3.308V 5.048V 276.234 46.5°C 230.23V
40% 24.989A 3.995A 3.993A 1.589A 340.034 92.792% 630 18.5 41.67°C 0.977
11.959V 5.007V 3.306V 5.034V 366.481 47.74°C 230.22V
50% 31.309A 4.997A 4.993A 1.793A 424.86 92.703% 633 18.6 42.21°C 0.981
11.957V 5.004V 3.305V 5.019V 458.346 48.01°C 230.21V
60% 37.668A 6.001A 5.994A 1.999A 509.391 92.349% 812 27 42.71°C 0.988
11.935V 5V 3.304V 5.003V 551.6 48.04°C 230.2V
70% 44.070A 7.007A 6.996A 2.205A 594.699 91.896% 1011 33.6 43.07°C 0.99
11.926V 4.996V 3.302V 4.988V 647.108 49.81°C 230.18V
80% 50.498A 8.012A 7.997A 2.311A 679.429 91.578% 1148 37 43.65°C 0.993
11.913V 4.992V 3.301V 4.977V 741.941 52.11°C 230.17V
90% 57.341A 8.516A 8.487A 2.418A 764.886 90.998% 1378 42.1 44.84°C 0.996
11.901V 4.99V 3.299V 4.962V 840.56 53.87°C 230.15V
100% 63.942A 9.024A 9.009A 3.04A 849.72 90.395% 1467 44.9 45.78°C 0.997
11.887V 4.986V 3.296V 4.935V 940.008 54.66°C 230.13V
110% 70.450A 10.035A 10.107A 3.047A 934.308 89.715% 1469 45 46.61°C 0.997
11.868V 4.982V 3.294V 4.924V 1041.426 55.53°C 230.11V
CL1 0.117A 12.068A 11.971A 0A 101.29 82.18% 795 26.4 41.84°C 0.885
12.009V 4.988V 3.316V 5.083V 123.26 49.24°C 230.26V
CL2 0.115A 20.14A 0A 0A 101.357 80.809% 634 18.6 40.46°C 0.888
12.017V 4.964V 3.312V 5.091V 125.407 47.27°C 230.26V
CL3 0.115A 0A 19.919A 0A 67.38 75.195% 630 18.5 41.05°C 0.827
12.015V 5.019V 3.313V 5.086V 89.611 47.06°C 230.26V
CL4 71.450A 0A 0A 0A 849.497 91.024% 1441 43.6 45.56°C 0.997
11.890V 5.011V 3.291V 5.035V 933.233 54.17°C 230.13V

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 1.232A 0.498A 0.498A 0.196A 19.997 75.913% 620 18.4 36.88°C 0.831
12.049V 5.017V 3.311V 5.108V 26.379 37.43°C 115.11V
40W 2.717A 0.698A 0.698A 0.294A 39.996 68.136% 618 18 37.5°C 0.944
12.030V 5.016V 3.31V 5.103V 58.692 39.74°C 115.1V
60W 4.200A 0.897A 0.897A 0.392A 59.995 81.159% 621 18.5 38.74°C 0.957
12.029V 5.016V 3.311V 5.098V 73.923 40.79°C 115.1V
80W 5.678A 1.097A 1.096A 0.491A 79.931 84.434% 620 18.4 39.5°C 0.97
12.029V 5.016V 3.311V 5.093V 94.67 41.32°C 115.09V

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 1.235A 0.498A 0.499A 0.196A 20.001 76.495% 619 18.2 36.2°C 0.52
12.032V 5.016V 3.31V 5.108V 26.153 38.14°C 230.26V
40W 2.720A 0.698A 0.698A 0.294A 39.999 68.244% 622 18.6 37.91°C 0.725
12.015V 5.016V 3.31V 5.103V 58.611 39.2°C 230.26V
60W 4.201A 0.897A 0.897A 0.392A 59.999 81.624% 625 18.5 38.96°C 0.78
12.025V 5.016V 3.311V 5.098V 73.584 41.43°C 230.25V
80W 5.687A 1.097A 1.096A 0.491A 79.942 84.91% 626 18.5 39.41°C 0.836
12.011V 5.016V 3.311V 5.093V 94.192 42.12°C 230.25V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load9.85mV9.79mV10.50mV6.56mVPass
20% Load9.90mV9.84mV10.24mV6.66mVPass
30% Load21.29mV9.99mV10.70mV7.54mVPass
40% Load18.04mV10.15mV10.81mV8.00mVPass
50% Load17.12mV9.94mV11.12mV8.21mVPass
60% Load16.39mV10.10mV11.38mV8.83mVPass
70% Load16.09mV10.31mV11.58mV9.45mVPass
80% Load17.89mV13.55mV14.94mV10.53mVPass
90% Load22.94mV21.33mV22.86mV13.78mVPass
100% Load20.58mV18.57mV20.08mV11.90mVPass
110% Load20.01mV18.67mV19.23mV12.36mVPass
Crossload125.08mV9.89mV11.20mV10.36mVPass
Crossload228.10mV11.75mV10.86mV10.74mVPass
Crossload312.58mV14.27mV13.50mV9.91mVPass
Crossload421.54mV19.83mV21.35mV15.41mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load9.59mV9.07mV9.88mV6.81mVPass
20% Load10.16mV9.12mV9.98mV7.02mVPass
30% Load19.59mV9.89mV11.17mV6.92mVPass
40% Load16.29mV9.32mV10.03mV7.12mVPass
50% Load15.83mV9.38mV10.96mV7.17mVPass
60% Load15.88mV10.10mV11.12mV7.64mVPass
70% Load15.47mV9.79mV11.48mV9.14mVPass
80% Load16.03mV10.20mV12.15mV8.41mVPass
90% Load16.81mV10.92mV12.52mV8.83mVPass
100% Load15.65mV10.30mV13.29mV8.55mVPass
110% Load16.33mV10.54mV13.63mV9.34mVPass
Crossload123.93mV8.92mV10.40mV10.11mVPass
Crossload227.53mV12.62mV10.03mV10.74mVPass
Crossload310.16mV8.66mV11.53mV10.17mVPass
Crossload415.51mV9.14mV11.43mV11.29mVPass

The results above are not used in the certification process

Chieftec Vega M 850W

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
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