CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
VSP VGF850
Serial Number-
Lab IDVS85003067
Certification ID253067
  • Test Result Report ID: 25PS3067A
  • Certificate Issue Date: Dec 19, 2025
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Outside Validation Scope
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

DUT Information

BrandVSP
Manufacturer (OEM)Jiumeng
SeriesVGF
Model NumberVGF850
Serial Number-
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)5-10
Rated Frequency (Hz)50-60
Rated Power (W)850
TypeSFX
Dimensions (W x H x D)125 x 63.5 x 100mm
Cooling92mm Fluid Dynamic Bearing Fan (PY-9215H12S)
Semi-Passive Operation✗
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps2020702.50.3
Watts10084012.53.6
Total Max. Power (W)850

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 Cable Type
ATX connector 20+4 pin (300mm) 1 1 18-22AWG Tinned Copper
4+4 pin EPS12V (410mm) 2 2 18AWG Tinned Copper
6+2 pin PCIe (410mm+100mm) 1 2 18AWG Tinned Copper
6+2 pin PCIe (410mm+100mm) 1 2 18AWG Copper
12+4 pin PCIe (410mm) (600W) 1 1 16-24AWG Tinned Copper
SATA (110mm+100mm+100mm+100mm) 2 8 18AWG Tinned Copper
4-pin Molex (110mm+100mm+100mm) 1 3 18AWG Tinned Copper

Parts Description

General Data
Manufacturer (OEM) Jiumeng
PCB Type Double-Sided
Primary Side
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection NTC Thermistor SCK-054 (5 Ohm @ 25°C) & Relay
Bridge Rectifier
PingWei GBU2510 (1,000V, 25A @ 100°C)
APFC MOSFETs
Way-On WMJ90N60C4 (600V, 90A @ 25°C, Rds(on): 0.029Ohm)
APFC Boost Diode
Macrocore Semiconductor HX1D10065F (650V, 10A @ 150°C)
Bulk Cap(s)
Rubycon (420V, 560uF, 3000h @ 105°C, MXT)
Main Switchers
2x NCEPower NCE65TF130F (650V, 28A @ 25°C, Rds(on): 149mOhm)

APFC Controller

Champion CM6502UHHX &
Champion CM03AX (reducing no load consumption)
Resonant Controller
Champion CM6901X
IC Driver Novosense NSi6602AD
Topology Primary side: APFC, Half-Bridge & LLC Resonant Converter
Secondary side: [12V] Synchronous Rectification & [Minor Rails] DC-DC converters
Secondary Side
+12V MOSFETs 6x XSEMI XP4NA1R4CMT-A (45V, 223A @ 25°C, Rds(on): 1.4mOhm)
5V & 3.3V DC-DC Converters: 4x Rectron Semiconductor RMN3N5R0DF (30V, 61A @ 25°C, Rds(on): 5mOhm)
PWM Controller(s): ANPEC APW7159C
Filtering Capacitors

Electrolytic:
Nippon Chemi-Con (2-5,000h @ 105°C, KZE)
2x Rubycon (4-10,000 @ 105°C, YXJ)
Polymer:
4x Teapo (FG), 17x FPCAP, 1x CapXon, 4x
Supervisor IC IN1S429I-SCG
Fan Model POWERYEAR PY-9215H12S (90mm, 12V, 0.30A , Fluid Dynamic Bearing Fan)
5VSB Circuit
Rectifier
Dongke DK5V45R15S (45V, 15mOhm)
Standby PWM Controller
Infineon ICE5QR1680AG

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 RatingStandard++
Average Efficiency (>1450 load combinations)89.681%
Average Noise Output (>1450 Load Combinations)33.88dBA
Average PF (>1450 Load Combinations)0.985
Efficiency With 10W (≤500W) or 2% (>500W) Load67.384%
Standby Power Consumption0.0333W
12V Ripple (Full Load)50.60mV
5V Ripple (Full Load)15.92mV
3.3V Ripple (Full Load)11.53mV
5VSB Ripple (Full Load)15.37mV
12V Load Regulation0.08%
5V Load Regulation0.46%
3.3V Load Regulation0.90%
5VSB Load Regulation1.64%
Inrush CurrentToo low to detect
Efficiency RatingPLATINUM
Noise RatingStandard++
Average Efficiency (>1450 load combinations)91.276%
Average Noise Output (>1450 Load Combinations)33.47dBA
Average PF (>1450 Load Combinations)0.950
Efficiency With 10W (≤500W) or 2% (>500W) Load63.914%
Standby Power Consumption0.0773W
12V Ripple (Full Load)52.46mV
5V Ripple (Full Load)16.79mV
3.3V Ripple (Full Load)11.92mV
5VSB Ripple (Full Load)17.03mV
12V Load Regulation0.18%
5V Load Regulation0.46%
3.3V Load Regulation0.90%
5VSB Load Regulation1.64%
Inrush CurrentToo low to detect
12V Transient Response (200%)11.49V
5V Transient Response (200%)4.958V
3.3V Transient Response (200%)3.260V
5VSB Transient Response (200%)4.970V
Hold-Up Time & Power Ok Signal16.10ms
AC Loss to PWR_OK Hold Up Time14.10ms
PWR_OK Inactive to DC Loss Delay2.00ms
PSU Timings: T1 (20% / 100%)47.0ms46.0ms
PSU Timings: T3 (20% / 100%)111.0ms112.0ms
12V OCP (28.4°C / 42.3°C)99.40A (142.00%), 12.042V99.00A (141.43%), 12.053V
5V OCP (28.4°C / 42.3°C)26A (130.00%), 5.011V25.7A (128.50%), 5.02V
3.3V OCP (28.4°C / 42.3°C)26.2A (131.00%), 3.331V24A (120.00%), 3.33V
5VSB OCP (28.4°C / 42.3°C)3.8A (152.00%), 5.007V3.7A (148.00%), 5.007V
OPP (30.08°C / 44.09°C)139.23%134.52%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)16.1
AC Loss to PWR_OK Hold Up Time (ms)14.1
PWR_OK Inactive to DC Loss Delay (ms)2

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.04 V 115.02 V 113.85 V 115.08 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 -0.005 W N/A 0.069 W N/A N/A
Apparent Power: 7.181 W 7.160 W N/A 7.206 W N/A N/A
Power Factor: 0.007 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 230.07 V 230.04 V 227.70 V 230.09 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: 0.077 W 0.042 W N/A 0.113 W N/A N/A
Apparent Power: 22.909 W 22.876 W N/A 22.942 W N/A N/A
Power Factor: 0.004 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 72.115% 0.047
5.073V 0.316W 114.92V
2 0.09A 0.457W 78.487% 0.084
5.072V 0.582W 114.93V
3 0.55A 2.787W 85.613% 0.314
5.065V 3.256W 114.92V
4 1A 5.06W 85.497% 0.398
5.058V 5.918W 114.92V
5 1.501A 7.577W 84.178% 0.438
5.049V 9.001W 114.92V
6 2.501A 12.587W 82.127% 0.479
5.033V 15.326W 114.92V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.228W 62.284% 0.016
5.073V 0.367W 230.01V
2 0.09A 0.457W 73.427% 0.028
5.072V 0.623W 230.01V
3 0.55A 2.787W 83.529% 0.137
5.065V 3.337W 230.02V
4 1A 5.059W 85.163% 0.214
5.057V 5.942W 230.03V
5 1.5A 7.576W 84.819% 0.275
5.049V 8.933W 230.03V
6 2.501A 12.586W 83.429% 0.343
5.033V 15.085W 230.03V

Protection Features

OCP (Normal @ 28.4°C)12V: 99.40A (142.00%), 12.042V
5V: 26A (130.00%), 5.011V
3.3V: 26.2A (131.00%), 3.331V
5VSB: 3.8A (152.00%), 5.007V
OCP (Hot @ 42.3°C)12V: 99.00A (141.43%), 12.053V
5V: 25.7A (128.50%), 5.02V
3.3V: 24A (120.00%), 3.33V
5VSB: 3.7A (148.00%), 5.007V
OPP (Normal @ 30.1°C)1183.43W (139.23%)
OPP (Hot @ 44.1°C)1143.42W (134.52%)
OTP✓ (115°C @ Primary 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 & 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% 5.274A 1.978A 1.97A 0.99A 85.006 88.011% 1494 26.3 40.35°C 0.972
12.021V 5.058V 3.35V 5.053V 96.585 42.63°C 114.94V
20% 11.570A 2.968A 2.958A 1.19A 169.967 90.284% 1604 27.3 40.81°C 0.971
12.019V 5.055V 3.347V 5.045V 187.905 44.09°C 114.72V
30% 18.219A 3.464A 3.454A 1.39A 254.983 91.271% 1740 30 41.1°C 0.984
12.016V 5.053V 3.344V 5.038V 279.372 46.07°C 114.89V
40% 24.877A 3.961A 3.951A 1.591A 340.079 91.576% 1864 31.7 41.65°C 0.99
12.014V 5.051V 3.341V 5.03V 371.361 46.91°C 114.87V
50% 31.186A 4.954A 4.943A 1.793A 425.099 91.46% 1997 34.9 42.09°C 0.992
12.011V 5.048V 3.338V 5.022V 464.792 47.61°C 114.85V
60% 37.437A 5.948A 5.938A 1.995A 509.633 90.671% 2244 37.7 42.61°C 0.993
12.015V 5.046V 3.335V 5.014V 562.066 49.76°C 114.83V
70% 43.767A 6.942A 6.934A 2.198A 594.961 90.21% 2417 39.5 43.02°C 0.995
12.014V 5.043V 3.332V 5.006V 659.524 50.96°C 114.81V
80% 50.098A 7.936A 7.931A 2.301A 679.793 89.661% 2574 41.9 43.9°C 0.995
12.014V 5.04V 3.329V 5V 758.178 51.96°C 114.79V
90% 56.832A 8.436A 8.419A 2.404A 765.229 89.019% 2721 42.8 44.85°C 0.996
12.013V 5.039V 3.326V 4.993V 859.62 54.09°C 114.77V
100% 63.489A 8.936A 8.938A 2.507A 849.947 88.248% 2867 43.9 45.57°C 0.996
12.014V 5.036V 3.323V 4.987V 963.144 56.52°C 114.75V
110% 69.874A 9.933A 10.031A 2.51A 935.339 87.268% 2983 45.3 47.25°C 0.997
12.016V 5.034V 3.319V 4.981V 1071.8 56.15°C 114.73V
CL1 0.116A 11.921A 11.881A 0A 101.312 83.387% 2239 37.7 41.09°C 0.964
12.051V 5.05V 3.341V 5.063V 121.497 44°C 114.93V
CL2 0.116A 19.825A 0A 0A 101.403 83.143% 1989 35.2 40.31°C 0.967
12.032V 5.044V 3.35V 5.066V 121.958 41.66°C 114.93V
CL3 0.116A 0A 19.784A 0A 67.396 76.985% 1911 33.8 40.91°C 0.957
12.027V 5.058V 3.336V 5.064V 87.546 41.49°C 114.94V
CL4 70.830A 0A 0A 0.001A 849.753 89.055% 2696 42.3 45.92°C 0.996
11.998V 5.043V 3.331V 5.036V 954.201 56.02°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
10% 5.271A 1.978A 1.97A 0.99A 85.006 86.425% 1676 28.7 40.33°C 0.837
12.029V 5.058V 3.35V 5.052V 98.357 42.55°C 230.06V
20% 11.561A 2.968A 2.958A 1.19A 169.974 90.791% 1766 30.8 40.84°C 0.926
12.029V 5.055V 3.347V 5.045V 187.212 43.05°C 230.05V
30% 18.210A 3.464A 3.454A 1.39A 254.987 92.223% 1853 31.6 41.42°C 0.952
12.022V 5.053V 3.344V 5.038V 276.492 43.85°C 230.04V
40% 24.869A 3.961A 3.951A 1.591A 340.083 92.796% 1938 34.4 41.69°C 0.963
12.018V 5.051V 3.341V 5.03V 366.481 43.99°C 230.03V
50% 31.175A 4.954A 4.944A 1.792A 425.095 92.896% 2072 35.4 42.02°C 0.972
12.015V 5.048V 3.338V 5.023V 457.602 45.65°C 230.02V
60% 37.439A 5.948A 5.939A 1.995A 509.635 92.742% 2257 37.8 42.81°C 0.974
12.014V 5.046V 3.335V 5.015V 549.515 47.62°C 230.01V
70% 43.772A 6.943A 6.935A 2.198A 594.965 92.482% 2408 39.3 43.38°C 0.976
12.013V 5.043V 3.331V 5.007V 643.331 48.24°C 230V
80% 50.108A 7.937A 7.933A 2.3A 679.798 92.138% 2557 41.6 43.81°C 0.979
12.011V 5.04V 3.328V 5V 737.807 48.99°C 229.99V
90% 56.846A 8.437A 8.421A 2.403A 765.241 91.755% 2701 42.3 44.13°C 0.982
12.010V 5.038V 3.325V 4.994V 834.006 49.78°C 229.98V
100% 63.503A 8.937A 8.94A 2.507A 849.952 91.295% 2839 43.7 45.82°C 0.984
12.011V 5.036V 3.322V 4.987V 930.995 51.05°C 229.97V
110% 69.904A 9.934A 10.033A 2.509A 935.34 90.733% 2969 44.8 46.34°C 0.986
12.011V 5.033V 3.319V 4.983V 1030.871 53.27°C 229.96V
CL1 0.116A 11.92A 11.881A 0A 101.31 83.731% 2322 38.2 42.17°C 0.868
12.062V 5.051V 3.341V 5.063V 120.998 44.94°C 230.06V
CL2 0.116A 19.817A 0A 0A 101.402 83.205% 2134 36.2 41.37°C 0.873
12.050V 5.046V 3.35V 5.066V 121.869 43.28°C 230.06V
CL3 0.116A 0A 19.784A 0A 67.395 76.275% 2031 34.8 39.83°C 0.814
12.036V 5.058V 3.336V 5.064V 88.36 41.72°C 230.07V
CL4 70.835A 0A 0A 0.001A 849.725 92.022% 2648 42.6 44.91°C 0.983
11.996V 5.043V 3.33V 5.036V 923.394 50.36°C 229.99V

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 1.236A 0.494A 0.492A 0.197A 20.002 71.784% 1472 25.5 36.87°C 0.828
12.016V 5.059V 3.353V 5.069V 27.865 39.18°C 114.97V
40W 2.720A 0.692A 0.689A 0.296A 40.001 81.699% 1481 25.6 37.2°C 0.919
12.017V 5.059V 3.352V 5.067V 48.96 40.07°C 114.95V
60W 4.204A 0.89A 0.886A 0.395A 60.001 85.201% 1484 25.6 38.29°C 0.94
12.019V 5.059V 3.352V 5.064V 70.423 40.55°C 114.95V
80W 5.684A 1.088A 1.083A 0.494A 79.96 87.869% 1489 25.9 39.88°C 0.964
12.020V 5.058V 3.351V 5.061V 91 42.08°C 114.94V

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 1.236A 0.494A 0.492A 0.197A 20.006 74.754% 1464 25.3 36.16°C 0.495
12.014V 5.058V 3.352V 5.069V 27.419 36.96°C 230.06V
40W 2.720A 0.692A 0.689A 0.296A 40.004 79.806% 1478 25.7 37.23°C 0.662
12.022V 5.059V 3.352V 5.066V 49.681 39.7°C 230.06V
60W 4.203A 0.89A 0.886A 0.395A 60.003 84.692% 1485 25.6 38.66°C 0.758
12.024V 5.059V 3.352V 5.064V 70.849 40.51°C 230.06V
80W 5.682A 1.088A 1.083A 0.494A 79.968 86.767% 1554 27.8 39.26°C 0.823
12.026V 5.058V 3.351V 5.061V 92.164 40.82°C 230.06V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load19.33mV10.15mV5.49mV9.12mVPass
20% Load28.65mV10.05mV6.05mV10.34mVPass
30% Load33.79mV10.20mV6.46mV11.62mVPass
40% Load37.40mV11.27mV7.02mV12.53mVPass
50% Load41.67mV12.14mV7.63mV14.16mVPass
60% Load44.88mV21.27mV12.16mV14.83mVPass
70% Load43.30mV13.31mV10.53mV14.16mVPass
80% Load44.11mV14.33mV11.34mV15.34mVPass
90% Load46.81mV15.61mV11.49mV16.76mVPass
100% Load50.60mV15.92mV11.53mV15.37mVPass
110% Load54.65mV19.12mV12.54mV17.88mVPass
Crossload124.57mV11.13mV11.59mV26.32mVPass
Crossload229.46mV14.64mV6.00mV26.85mVPass
Crossload324.98mV10.86mV15.16mV25.93mVPass
Crossload449.49mV14.34mV7.49mV32.41mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load22.29mV9.28mV5.75mV10.03mVPass
20% Load54.50mV9.74mV6.92mV9.94mVPass
30% Load47.83mV10.81mV6.92mV11.31mVPass
40% Load38.37mV11.43mV7.27mV12.18mVPass
50% Load43.40mV20.20mV11.85mV13.55mVPass
60% Load46.51mV21.12mV13.63mV14.67mVPass
70% Load44.32mV14.23mV10.63mV14.67mVPass
80% Load44.88mV15.15mV11.39mV15.33mVPass
90% Load47.63mV15.91mV11.34mV16.56mVPass
100% Load52.46mV16.79mV11.92mV17.03mVPass
110% Load54.90mV20.44mV12.29mV17.97mVPass
Crossload124.95mV11.99mV12.12mV26.69mVPass
Crossload248.29mV15.46mV6.92mV25.32mVPass
Crossload318.63mV10.97mV14.90mV24.96mVPass
Crossload449.59mV13.98mV7.52mV33.05mVPass

The results above are not used in the certification process

VSP VGF850

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