CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
Asus TUF Gaming 850W Gold EVO
Serial Number2P104265994
Lab IDAS85003165
Certification ID263165
  • Test Result Report ID: 26PS3165A
  • Certificate Issue Date: Feb 6, 2026
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Outside Validation Scope
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

DUT Information

BrandAsus
Manufacturer (OEM)Great Wall
SeriesTUF Gaming EVO
Model NumberTUF-GAMING-850G-EVO
Serial Number2P104265994
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)6-10
Rated Frequency (Hz)47-63
Rated Power (W)850
TypeATX12V
Dimensions (W x H x D)150 x 85 x 140mm
Cooling135mm Ball Bearing Fan (HA13525M12B-Z)
Semi-Passive Operation✗
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202070.8330.3
Watts110850153.6
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 (500mm) 1 1 18AWG Tinned Copper
4+4 pin EPS12V (650mm+100mm) 1 2 18AWG Tinned Copper
6+2 pin PCIe (500mm) 1 1 18AWG Tinned Copper
2x 6+2 pin PCIe (500mm) 2 2 18AWG Tinned Copper
12+4 pin PCIe (500mm) (600W) 1 1 16-24AWG Tinned Copper
SATA (400mm+115mm) / 4-pin Molex (+115mm) 2 4 / 2 18AWG Tinned Copper

Parts Description

General Data
Manufacturer (OEM) Great Wall
PCB Type Double-Sided
Primary Side
Transient Filter 4x Y caps, 3x X caps, 2x CM chokes, 1x MOV
Inrush Protection 1x NTC Thermistor SCK-065 (5 Ohm @ 20°C) & Relay
Bridge Rectifier
1x LRC GBU25M (1000V, 25A @ 100°C)
APFC MOSFETs
1x Infineon IPW60R060C7 (650V, 10A @ 100°C, Rds(on): 60mOhm)
APFC Boost Diode
1x Wolfspeed C6D10065A (650V, 10A @ 155°C)
Bulk Cap(s)
1x Elite (450V, 560uF, 2,000h @ 105°C, PL)
Main Switchers
2x STMicroelectronics STF33N60DM2 (600V, 15.5A @ 100°C, Rds(on): 0.130hm)

Combo APFC/Resonant Controller

MPS HR1280
Topology Primary side: APFC, Half-Bridge & LLC converter
Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side
+12V MOSFETs 4x ONSEMI NTMFS5C430NL (40V, 140A @ 100°C, Rds(on): 1.4mOhm)
5V & 3.3V DC-DC Converters: 4x AP4024GEMT-HF (30V, 60A @ 25°C, Rds(on): 4.5mOhm)
PWM Controller(s): ANPEC APW7159C
Filtering Capacitors

Electrolytic:
4x Elite (5000 @ 105°C, EJ)
1x Elite (4000 @ 105°C, EK)
2x Elite (4000 @ 105°C, ED)
Polymer:
5x FPCap, 2x Elite, 4x Nippon Chemi-Con
Supervision Circuitry BCD AS358M dual operational amplifier
Fan Control Circuit Regulator NDP NDP5201KC
Fan Model Hong Hua HA13525M12B-Z (135mm, 12V, 0.36A, Dual Ball Bearing Fan)
5VSB Circuit
Rectifiers
CS4N70(700V, 3.2A @ 100°C, Rds(on): 2.8mOhm)
Diodes Incorporated SDT8A60VP5 (60V, 8A)
Standby PWM Controller
Lendtrend LD5537E1

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 RatingStandard+
Average Efficiency (>1450 load combinations)88.776%
Average Noise Output (>1450 Load Combinations)39.09dBA
Average PF (>1450 Load Combinations)0.985
Efficiency With 10W (≤500W) or 2% (>500W) Load67.946%
Standby Power Consumption0.0574W
12V Ripple (Full Load)30.79mV
5V Ripple (Full Load)24.40mV
3.3V Ripple (Full Load)20.09mV
5VSB Ripple (Full Load)12.67mV
12V Load Regulation1.54%
5V Load Regulation1.56%
3.3V Load Regulation2.86%
5VSB Load Regulation2.93%
Inrush Current17.520A
Efficiency RatingPLATINUM
Noise RatingStandard+
Average Efficiency (>1450 load combinations)91.359%
Average Noise Output (>1450 Load Combinations)38.17dBA
Average PF (>1450 Load Combinations)0.975
Efficiency With 10W (≤500W) or 2% (>500W) Load77.528%
Standby Power Consumption0.1490W
12V Ripple (Full Load)30.28mV
5V Ripple (Full Load)23.15mV
3.3V Ripple (Full Load)19.76mV
5VSB Ripple (Full Load)13.39mV
12V Load Regulation1.53%
5V Load Regulation0.56%
3.3V Load Regulation2.86%
5VSB Load Regulation2.95%
Inrush Current36.780A
12V Transient Response (200%)11.30V
5V Transient Response (200%)4.974V
3.3V Transient Response (200%)3.169V
5VSB Transient Response (200%)5.076V
Hold-Up Time & Power Ok Signal18.40ms
AC Loss to PWR_OK Hold Up Time17.30ms
PWR_OK Inactive to DC Loss Delay1.10ms
PSU Timings: T1 (20% / 100%)66.0ms62.0ms
PSU Timings: T3 (20% / 100%)119.0ms119.0ms
12V OCP (27.1°C / 43.1°C)89.20A (125.94%), 11.998V86.80A (122.55%), 12.001V
5V OCP (27.1°C / 43.1°C)28A (140.00%), 5.096V27.5A (137.50%), 5.099V
3.3V OCP (27.1°C / 43.1°C)27.7A (138.50%), 3.316V27.3A (136.50%), 3.351V
5VSB OCP (27.1°C / 43.1°C)4.2A (140.00%), 5.085V4.2A (140.00%), 5.083V
OPP (28.56°C / 41.11°C)123.65%118.49%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)18.4
AC Loss to PWR_OK Hold Up Time (ms)17.3
PWR_OK Inactive to DC Loss Delay (ms)1.1

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.05 V 115.03 V 113.85 V 115.07 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 % 0.11 % N/A 0.15 % 2.00 % PASS
Real Power: 0.057 W 0.039 W N/A 0.078 W N/A N/A
Apparent Power: 13.471 W 13.453 W N/A 13.490 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 230.10 V 227.70 V 230.13 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: 0.149 W 0.112 W N/A 0.207 W N/A N/A
Apparent Power: 44.515 W 44.483 W N/A 44.548 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 0.234W 63.087% 0.02
5.196V 0.267W 114.95V
2 0.09A 0.468W 72.98% 0.048
5.195V 0.642W 114.96V
3 0.55A 2.852W 80.618% 0.224
5.183V 3.538W 114.95V
4 1A 5.173W 80.87% 0.328
5.172V 6.397W 114.95V
5 1.5A 7.741W 80.649% 0.389
5.159V 9.598W 114.95V
6 3.001A 15.362W 78.498% 0.473
5.12V 19.569W 114.95V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.234W 54.771% 0.01
5.197V 0.428W 230.07V
2 0.09A 0.468W 65.309% 0.016
5.195V 0.718W 230.07V
3 0.55A 2.852W 78.571% 0.08
5.183V 3.63W 230.06V
4 1A 5.173W 79.754% 0.136
5.171V 6.486W 230.06V
5 1.5A 7.741W 80.335% 0.189
5.159V 9.637W 230.06V
6 3.001A 15.363W 79.935% 0.299
5.12V 19.219W 230.06V

Protection Features

OCP (Normal @ 27.1°C)12V: 89.20A (125.94%), 11.998V
5V: 28A (140.00%), 5.096V
3.3V: 27.7A (138.50%), 3.316V
5VSB: 4.2A (140.00%), 5.085V
OCP (Hot @ 43.1°C)12V: 86.80A (122.55%), 12.001V
5V: 27.5A (137.50%), 5.099V
3.3V: 27.3A (136.50%), 3.351V
5VSB: 4.2A (140.00%), 5.083V
OPP (Normal @ 28.6°C)1051.01W (123.65%)
OPP (Hot @ 41.1°C)1007.13W (118.49%)
OTP✓ (97°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 & 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% 5.209A 1.951A 1.996A 0.969A 85.012 85.966% 989 32 40.25°C 0.931
12.172V 5.128V 3.308V 5.164V 98.866 41.3°C 114.95V
20% 11.444A 2.931A 3.003A 1.165A 169.986 89.35% 1031 33.1 40.78°C 0.968
12.152V 5.12V 3.297V 5.151V 189.394 42.26°C 114.49V
30% 18.044A 3.424A 3.512A 1.363A 255 90.33% 1137 36.6 41.59°C 0.98
12.134V 5.112V 3.289V 5.138V 282.338 43.33°C 114.93V
40% 24.670A 3.919A 4.025A 1.561A 340.095 90.933% 1212 37.9 41.86°C 0.991
12.115V 5.105V 3.28V 5.125V 374.024 43.49°C 114.89V
50% 30.976A 4.907A 5.046A 1.761A 425.192 90.769% 1265 39.9 42.24°C 0.997
12.096V 5.096V 3.27V 5.112V 468.46 43.98°C 114.87V
60% 37.255A 5.898A 6.075A 1.962A 509.727 90.26% 1408 42.1 42.88°C 0.998
12.076V 5.088V 3.26V 5.098V 564.759 45.83°C 114.86V
70% 43.619A 6.892A 7.109A 2.164A 595.054 89.58% 1505 44 43.22°C 0.998
12.057V 5.08V 3.25V 5.084V 664.296 46.17°C 114.83V
80% 50.007A 7.889A 8.148A 2.267A 679.877 88.823% 1599 46.4 43.8°C 0.998
12.038V 5.071V 3.24V 5.073V 765.417 48.77°C 114.81V
90% 56.820A 8.395A 8.665A 2.371A 765.311 88.018% 1656 45.9 44.27°C 0.999
12.017V 5.064V 3.231V 5.062V 869.499 48.86°C 114.79V
100% 63.386A 8.903A 9.217A 2.978A 850.109 87.005% 1732 47.2 45.78°C 0.999
11.997V 5.056V 3.222V 5.038V 977.077 51.19°C 114.78V
110% 69.850A 9.909A 10.369A 2.984A 934.701 85.834% 1811 49.4 46.32°C 0.999
11.975V 5.047V 3.211V 5.028V 1088.879 53.66°C 114.75V
CL1 0.115A 12.963A 13.357A 0A 111.317 81.564% 1319 40.4 40°C 0.954
12.175V 5.107V 3.272V 5.174V 136.269 45.46°C 114.77V
CL2 0.115A 19.569A 0A 0A 101.405 80.517% 1215 37.9 40.5°C 0.947
12.178V 5.11V 3.306V 5.181V 125.827 44.3°C 114.86V
CL3 0.115A 0A 20.231A 0A 67.4 74.992% 1124 35.9 40.98°C 0.928
12.175V 5.12V 3.262V 5.179V 89.896 42.87°C 114.96V
CL4 70.887A 0A 0A 0A 849.793 87.867% 1674 46.2 45.39°C 0.999
11.989V 5.075V 3.253V 5.128V 967.109 47.8°C 114.78V

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% 5.210A 1.951A 1.996A 0.969A 85.013 87.561% 1009 32.6 40.46°C 0.887
12.171V 5.128V 3.307V 5.164V 97.121 41.7°C 230.02V
20% 11.446A 2.931A 3.003A 1.165A 169.99 91.989% 1065 34.3 40.61°C 0.962
12.151V 5.12V 3.297V 5.151V 184.815 43.03°C 230.01V
30% 18.046A 3.424A 3.512A 1.363A 255.007 92.957% 1173 37.7 41.46°C 0.98
12.132V 5.112V 3.289V 5.138V 274.342 45.06°C 230V
40% 24.675A 3.919A 4.024A 1.561A 340.108 93.133% 1235 38.8 41.59°C 0.987
12.113V 5.105V 3.281V 5.125V 365.183 45.3°C 229.99V
50% 30.984A 4.907A 5.046A 1.761A 425.237 92.948% 1333 40.7 42.46°C 0.992
12.094V 5.097V 3.27V 5.112V 457.505 46.86°C 229.98V
60% 37.264A 5.898A 6.075A 1.962A 509.777 92.591% 1418 42.7 42.86°C 0.994
12.075V 5.088V 3.26V 5.098V 550.575 47.42°C 229.97V
70% 43.635A 6.893A 7.111A 2.164A 595.128 92.121% 1526 44.7 43.47°C 0.996
12.055V 5.08V 3.25V 5.084V 645.992 49.29°C 229.95V
80% 50.028A 7.89A 8.152A 2.268A 679.966 91.52% 1599 46.4 43.87°C 0.997
12.035V 5.071V 3.239V 5.072V 742.938 50.34°C 229.94V
90% 56.847A 8.396A 8.669A 2.372A 765.419 90.962% 1690 46.7 44.2°C 0.997
12.013V 5.063V 3.23V 5.061V 841.522 53.84°C 229.93V
100% 63.405A 8.903A 9.219A 2.978A 850.177 90.266% 1762 48.6 45.65°C 0.998
11.994V 5.056V 3.222V 5.037V 941.902 57.1°C 229.93V
110% 69.861A 9.908A 10.369A 2.983A 934.699 89.435% 1805 49.6 46.98°C 0.998
11.973V 5.047V 3.211V 5.029V 1045.139 57.91°C 229.95V
CL1 0.115A 12.963A 13.358A 0A 111.313 83.748% 1327 40.5 40.46°C 0.933
12.174V 5.107V 3.271V 5.174V 132.872 47.21°C 230.07V
CL2 0.115A 19.567A 0A 0A 101.402 82.393% 1234 38.8 40.33°C 0.921
12.178V 5.111V 3.306V 5.181V 123.056 45.61°C 230.08V
CL3 0.115A 0A 20.235A 0A 67.396 76.18% 1155 37.4 40.6°C 0.868
12.175V 5.121V 3.261V 5.179V 88.494 44.4°C 230.09V
CL4 70.882A 0A 0A 0A 849.712 91.157% 1664 46 45.83°C 0.998
11.988V 5.075V 3.253V 5.128V 932.159 48.83°C 230V

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 1.220A 0.487A 0.497A 0.193A 20.017 75.523% 791 25 36.33°C 0.768
12.184V 5.136V 3.317V 5.19V 26.593 37.07°C 114.95V
40W 2.685A 0.682A 0.697A 0.289A 40.012 82.359% 846 27.4 37.02°C 0.87
12.180V 5.135V 3.316V 5.186V 48.647 38°C 114.94V
60W 4.150A 0.877A 0.896A 0.386A 60.009 85.152% 889 28.7 38.8°C 0.906
12.176V 5.133V 3.313V 5.182V 70.469 39.97°C 114.94V
80W 5.615A 1.072A 1.096A 0.483A 79.979 86.277% 953 30.8 39.22°C 0.928
12.172V 5.131V 3.311V 5.178V 92.703 40.72°C 114.95V

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 1.220A 0.487A 0.497A 0.193A 20.016 77.978% 735 22.7 36.79°C 0.422
12.181V 5.136V 3.317V 5.19V 25.732 37.62°C 230.03V
40W 2.685A 0.682A 0.697A 0.289A 40.012 83.046% 879 28.3 37.52°C 0.596
12.178V 5.135V 3.316V 5.186V 48.229 40.09°C 230.03V
60W 4.150A 0.877A 0.896A 0.386A 60.01 85.909% 910 29.5 38.6°C 0.807
12.176V 5.134V 3.314V 5.183V 69.87 42.16°C 230.03V
80W 5.616A 1.072A 1.096A 0.483A 79.981 87.697% 971 31.5 40.18°C 0.874
12.172V 5.131V 3.311V 5.178V 91.207 40.6°C 230.03V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load21.88mV14.38mV10.43mV9.93mVPass
20% Load15.82mV14.59mV10.48mV9.83mVPass
30% Load16.79mV14.90mV10.99mV9.93mVPass
40% Load18.83mV15.35mV11.70mV9.53mVPass
50% Load19.64mV18.52mV13.12mV10.90mVPass
60% Load21.78mV19.64mV13.63mV10.80mVPass
70% Load25.08mV20.25mV14.55mV9.83mVPass
80% Load25.14mV21.42mV19.38mV11.82mVPass
90% Load27.83mV22.29mV19.58mV13.86mVPass
100% Load30.79mV24.40mV20.09mV12.67mVPass
110% Load37.14mV24.28mV21.08mV12.11mVPass
Crossload117.70mV25.65mV20.11mV12.01mVPass
Crossload232.97mV38.46mV14.04mV12.28mVPass
Crossload327.88mV13.72mV25.69mV11.92mVPass
Crossload429.50mV15.12mV13.12mV11.41mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load21.02mV14.33mV10.63mV9.78mVPass
20% Load12.21mV14.33mV10.38mV9.83mVPass
30% Load13.84mV14.74mV10.73mV9.83mVPass
40% Load14.86mV15.00mV11.09mV9.83mVPass
50% Load17.55mV17.70mV12.41mV9.78mVPass
60% Load20.15mV19.18mV13.27mV10.14mVPass
70% Load22.90mV19.23mV14.14mV10.09mVPass
80% Load25.75mV21.02mV18.31mV11.62mVPass
90% Load27.83mV21.58mV19.43mV13.65mVPass
100% Load30.28mV23.15mV19.76mV13.39mVPass
110% Load35.02mV24.02mV22.31mV12.96mVPass
Crossload116.62mV25.86mV21.30mV11.47mVPass
Crossload229.36mV39.02mV13.63mV11.87mVPass
Crossload327.07mV14.64mV26.40mV11.87mVPass
Crossload427.31mV14.98mV12.73mV11.63mVPass

The results above are not used in the certification process

Asus TUF Gaming 850W Gold EVO

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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