CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
Thermaltake Toughpower PT 850W
Serial NumberPSTPP0850FNFAPU1BLCW00029
Lab IDTT85002996
Certification ID252996
  • Test Result Report ID: 25PS2996A
  • Certificate Issue Date: Oct 22, 2025
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Outside Validation Scope
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

DUT Information

BrandThermaltake
Manufacturer (OEM)CWT
SeriesToughpower PT
Model NumberTTP-0850AH3FCP
Serial NumberPSTPP0850FNFAPU1BLCW00029
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)12
Rated Frequency (Hz)47-63
Rated Power (W)850
TypeATX12V
Dimensions (W x H x D)
Cooling135mm Fluid Dynamic Bearing Fan (CWT13525H12F-9)
Semi-Passive Operation✗
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202070.830.3
Watts110849.6153.6
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 24 pin (540mm) 1 1 16-20AWG Tinned Copper
4+4 pin ATX12V (700mm) 2 2 16AWG Tinned Copper
6+2 pin PCIe (600mm+150mm) 2 4 16-18AWG Tinned Copper
12+4 pin PCIe (600mm) (600W) 1 1 16-24AWG Tinned Copper
SATA (450mm+150mm+150mm) 2 6 18AWG Tinned Copper
4-pin Molex (450mm+150mm+150mm+150mm) 1 4 18AWG Tinned Copper
AC Power Cord (1410mm) - C13 coupler 1 1 18AWG -

Parts Description

General Data
Manufacturer (OEM) CWT
PCB Type Double-Sided
Primary Side
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV, 1x Power Integrations CAP200DG (X Capacitor Discharge IC)
Inrush Protection NTC Thermistor SCK-207R0 (7 Ohm @ 25°C) & Relay
Bridge Rectifier
GBU1506 (600V, 15A @ 100°C)
APFC MOSFETs
2x Way-On WML36N65C4 (650V, 20A @ 100°C, Rds(on): 0.097Ohm)
APFC Boost Diode
CRMicro CRXI08D065G2 (650V, 8A @ 165°C)
Bulk Cap(s)
Nichicon (400V, 680uF, 2000h @ 105°C, GL)
Main Switchers
4x Silan Microelectronics SVF20N50F (500V, 12.6A @ 100°C, Rds(on): 0.27Ohm)

APFC Controller

Champion CM6500UNX
Resonant Controller
Champion CM6901T6X
Topology Primary side: APFC, Full-Bridge & LLC Resonant Converter
Secondary side: [12V] Synchronous Rectification & [Minor Rails] DC-DC converters
Secondary Side
+12V MOSFETs 6x PingWei PWC013N04ES (40V, 155A @ 100°C, Rds(on): 1.3mOhm)
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:
2x Nippon Chemi-Con (@ 105°C, W)
3x Nichicon (4-10,000 @ 105°C, HE(M))
3x Rubycon (6-10,000 @ 105°C, ZLH)
2x Rubycon (4-10,000 @ 105°C, YXF)
Rubycon (4-10,000 @ 105°C, YXJ)
Polymer:
13x Nippon Chemi-Con, 11x FPCAP, 2x no info
Fan Model TT-13525 CWT13525H12F-9 (135mm, 12V, 0.4A, Fluid Dynamic Bearing Fan)
5VSB Circuit
Rectifier (High Side)
Dongke DK5V45R10V (45V, 10mOhm)
Standby PWM Controller

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 RatingA++
Average Efficiency (>1450 load combinations)89.125%
Average Noise Output (>1450 Load Combinations)12.39dBA
Average PF (>1450 Load Combinations)0.987
Efficiency With 10W (≤500W) or 2% (>500W) Load69.689%
Standby Power Consumption0.0277W
12V Ripple (Full Load)30.41mV
5V Ripple (Full Load)15.14mV
3.3V Ripple (Full Load)13.19mV
5VSB Ripple (Full Load)13.12mV
12V Load Regulation0.72%
5V Load Regulation0.30%
3.3V Load Regulation0.97%
5VSB Load Regulation4.24%
Inrush Current23.604A
Efficiency RatingPLATINUM
Noise RatingA++
Average Efficiency (>1450 load combinations)91.884%
Average Noise Output (>1450 Load Combinations)13.15dBA
Average PF (>1450 Load Combinations)0.964
Efficiency With 10W (≤500W) or 2% (>500W) Load68.171%
Standby Power Consumption0.0566W
12V Ripple (Full Load)30.86mV
5V Ripple (Full Load)17.90mV
3.3V Ripple (Full Load)13.61mV
5VSB Ripple (Full Load)13.79mV
12V Load Regulation0.63%
5V Load Regulation0.40%
3.3V Load Regulation1.12%
5VSB Load Regulation4.31%
Inrush Current47.590A
12V Transient Response (200%)11.46V
5V Transient Response (200%)4.927V
3.3V Transient Response (200%)3.239V
5VSB Transient Response (200%)4.917V
Hold-Up Time & Power Ok Signal15.50ms
AC Loss to PWR_OK Hold Up Time14.20ms
PWR_OK Inactive to DC Loss Delay1.30ms
PSU Timings: T1 (20% / 100%)26.0ms27.0ms
PSU Timings: T3 (20% / 100%)120.0ms120.0ms
12V OCP (31.4°C / 42.3°C)89.80A (126.84%), 11.976V97.80A (138.14%), 11.971V
5V OCP (31.4°C / 42.3°C)23.5A (117.50%), 5.018V23.5A (117.50%), 5.021V
3.3V OCP (31.4°C / 42.3°C)24.5A (122.50%), 3.305V24.3A (121.50%), 3.309V
5VSB OCP (31.4°C / 42.3°C)4.6A (153.33%), 4.903V4.5A (150.00%), 4.9V
OPP (27.55°C / 40.39°C)124.77%123.60%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)15.5
AC Loss to PWR_OK Hold Up Time (ms)14.2
PWR_OK Inactive to DC Loss Delay (ms)1.3

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.00 V 114.97 V 113.85 V 115.04 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 1.417 1.490 PASS
Mains Voltage THD: 0.13 % 0.11 % N/A 0.16 % 2.00 % PASS
Real Power: 0.028 W -0.005 W N/A 0.055 W N/A N/A
Apparent Power: 10.062 W 10.039 W N/A 10.085 W N/A N/A
Power Factor: 0.003 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 230.00 V 229.95 V 227.70 V 230.04 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: 0.057 W 0.022 W N/A 0.128 W N/A N/A
Apparent Power: 32.938 W 32.895 W N/A 32.981 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 0.229W 72.416% 0.032
5.097V 0.316W 115.09V
2 0.09A 0.459W 77.324% 0.059
5.095V 0.594W 115.09V
3 0.55A 2.792W 82.56% 0.267
5.078V 3.382W 115.09V
4 1A 5.06W 82.097% 0.373
5.06V 6.164W 115.09V
5 1.5A 7.56W 81.31% 0.431
5.04V 9.298W 115.08V
6 3A 14.939W 79.245% 0.499
4.979V 18.853W 115.07V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.229W 60.714% 0.01
5.098V 0.323W 230.29V
2 0.09A 0.459W 72.884% 0.019
5.096V 0.63W 230.27V
3 0.55A 2.793W 80.911% 0.101
5.078V 3.453W 230.25V
4 1A 5.06W 81.715% 0.17
5.06V 6.193W 230.25V
5 1.5A 7.561W 81.674% 0.231
5.04V 9.256W 230.25V
6 3A 14.94W 80.606% 0.344
4.98V 18.535W 230.25V

Protection Features

OCP (Normal @ 31.4°C)12V: 89.80A (126.84%), 11.976V
5V: 23.5A (117.50%), 5.018V
3.3V: 24.5A (122.50%), 3.305V
5VSB: 4.6A (153.33%), 4.903V
OCP (Hot @ 42.3°C)12V: 97.80A (138.14%), 11.971V
5V: 23.5A (117.50%), 5.021V
3.3V: 24.3A (121.50%), 3.309V
5VSB: 4.5A (150.00%), 4.9V
OPP (Normal @ 27.6°C)1060.50W (124.77%)
OPP (Hot @ 40.4°C)1050.62W (123.60%)
OTP✓ (145°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% 5.258A 1.994A 1.982A 0.991A 85.003 88.034% 397 <6.0 40.1°C 0.98
12.060V 5.015V 3.33V 5.047V 96.54 45.49°C 115.06V
20% 11.536A 2.993A 2.976A 1.193A 169.938 91.547% 396 <6.0 40.63°C 0.99
12.051V 5.012V 3.326V 5.03V 185.629 47.39°C 115.02V
30% 18.174A 3.493A 3.476A 1.396A 254.938 92.28% 396 <6.0 41.29°C 0.993
12.044V 5.01V 3.323V 5.014V 276.263 50.41°C 115V
40% 24.827A 3.994A 3.976A 1.601A 340.028 92.465% 398 <6.0 41.88°C 0.993
12.036V 5.009V 3.32V 4.997V 367.735 54.05°C 114.97V
50% 31.120A 4.994A 4.975A 1.808A 424.828 92.158% 400 <6.0 42.06°C 0.993
12.028V 5.006V 3.317V 4.98V 460.977 58.21°C 114.93V
60% 37.401A 5.996A 5.976A 2A 509.288 91.782% 400 <6.0 42.5°C 0.995
12.020V 5.004V 3.313V 4.962V 554.889 63.01°C 114.91V
70% 43.753A 6.999A 6.98A 2.226A 594.679 91.283% 449 <6.0 43.43°C 0.996
12.012V 5.002V 3.31V 4.942V 651.467 68.34°C 114.88V
80% 50.142A 7.994A 7.981A 2.334A 679.547 90.783% 469 <6.0 39.18°C 0.997
11.999V 5.004V 3.308V 4.927V 748.536 65.56°C 114.82V
90% 56.908A 8.493A 8.473A 2.44A 764.848 89.871% 839 20.6 39.18°C 0.997
11.991V 5.004V 3.304V 4.917V 851.054 65.23°C 114.82V
100% 63.440A 8.994A 8.994A 3.075A 849.68 89.186% 951 24.2 40.01°C 0.998
11.979V 5.003V 3.302V 4.878V 952.698 67.4°C 114.78V
110% 69.805A 9.995A 10.094A 3.082A 934.243 88.546% 1033 27.3 40.91°C 0.998
11.976V 5.002V 3.299V 4.868V 1055.092 69.96°C 114.75V
CL1 0.116A 13.229A 13.174A 0A 111.29 82.901% 641 13 41.85°C 0.986
12.056V 5.004V 3.317V 5.068V 134.246 56.11°C 115.05V
CL2 0.115A 19.986A 0A 0A 101.368 81.23% 1646 39.8 40.43°C 0.985
12.060V 5.002V 3.331V 5.078V 124.791 45.9°C 115.05V
CL3 0.115A 0A 19.921A 0A 67.379 74.646% 1585 40 41.44°C 0.978
12.057V 5.014V 3.313V 5.075V 90.266 45.41°C 115.06V
CL4 70.822A 0A 0A 0A 849.461 84.119% 1110 29 46.03°C 0.981
11.995V 5.005V 3.311V 5.028V 943.7 65.1°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% 5.258A 1.994A 1.982A 0.991A 85.01 88.963% 396 <6.0 40.46°C 0.863
12.059V 5.015V 3.329V 5.045V 95.554 45.04°C 230.2V
20% 11.538A 2.993A 2.977A 1.193A 169.96 92.501% 396 <6.0 40.8°C 0.944
12.051V 5.013V 3.326V 5.028V 183.741 46.64°C 230.19V
30% 18.178A 3.493A 3.477A 1.397A 254.97 93.559% 398 <6.0 41.43°C 0.966
12.043V 5.011V 3.322V 5.012V 272.523 48.7°C 230.18V
40% 24.831A 3.993A 3.977A 1.602A 340.065 93.901% 399 <6.0 41.57°C 0.976
12.035V 5.01V 3.319V 4.995V 362.154 51.33°C 230.16V
50% 31.132A 4.994A 4.977A 1.809A 424.928 93.787% 400 <6.0 42.26°C 0.981
12.027V 5.008V 3.316V 4.977V 453.078 54.04°C 230.15V
60% 37.411A 5.995A 5.979A 2A 509.371 93.593% 400 <6.0 42.75°C 0.984
12.019V 5.006V 3.312V 4.959V 544.241 57.04°C 230.13V
70% 43.765A 6.996A 6.983A 2.228A 594.772 93.297% 463 <6.0 43.4°C 0.986
12.011V 5.004V 3.308V 4.939V 637.505 60.67°C 230.11V
80% 50.126A 7.998A 7.989A 2.336A 679.564 92.907% 700 20.3 43.7°C 0.988
12.003V 5.001V 3.304V 4.924V 731.449 60.47°C 230.09V
90% 56.894A 8.502A 8.484A 2.444A 764.985 92.123% 1067 27.1 44.8°C 0.99
11.996V 4.999V 3.3V 4.911V 830.398 58.84°C 230.08V
100% 63.399A 9.008A 9.009A 3.076A 849.754 91.732% 1399 35.7 45.06°C 0.991
11.989V 4.996V 3.296V 4.876V 926.35 58.45°C 230.12V
110% 69.780A 10.012A 10.112A 3.082A 934.281 91.217% 1771 42 46.67°C 0.992
11.981V 4.994V 3.293V 4.868V 1024.239 58.83°C 230.16V
CL1 0.115A 13.213A 13.176A 0A 111.288 83.969% 651 13.8 40.77°C 0.915
12.054V 5.01V 3.316V 5.067V 132.538 52.56°C 230.32V
CL2 0.115A 19.949A 0A 0A 101.371 81.941% 1650 39.9 41.45°C 0.906
12.058V 5.012V 3.33V 5.077V 123.713 46.26°C 230.33V
CL3 0.115A 0A 19.922A 0A 67.379 75.353% 1560 39.2 40.44°C 0.85
12.055V 5.013V 3.313V 5.074V 89.416 44.17°C 230.34V
CL4 70.805A 0A 0A 0A 849.512 92.611% 1240 33 45.48°C 0.991
11.998V 5.003V 3.31V 5.024V 917.296 59.05°C 230.21V

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 0.495A 0.197A 20.006 72.205% 391 <6.0 36°C 0.898
12.065V 5.017V 3.334V 5.085V 27.708 45.79°C 115.08V
40W 2.710A 0.698A 0.693A 0.295A 40.002 82.701% 393 <6.0 37.12°C 0.951
12.064V 5.016V 3.333V 5.08V 48.367 43.76°C 115.07V
60W 4.190A 0.897A 0.891A 0.394A 60 86.446% 397 <6.0 38.44°C 0.967
12.062V 5.015V 3.332V 5.075V 69.405 43.77°C 115.06V
80W 5.664A 1.097A 1.09A 0.493A 79.943 88.311% 397 <6.0 39.14°C 0.978
12.060V 5.015V 3.331V 5.069V 90.526 44.56°C 115.06V

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 1.232A 0.498A 0.495A 0.197A 20.005 71.479% 390 <6.0 36.92°C 0.491
12.064V 5.016V 3.333V 5.086V 27.988 38.64°C 230.21V
40W 2.710A 0.698A 0.693A 0.295A 40.005 82.394% 394 <6.0 37.02°C 0.687
12.062V 5.016V 3.332V 5.08V 48.554 40.18°C 230.21V
60W 4.190A 0.897A 0.892A 0.394A 60.005 86.807% 397 <6.0 38.5°C 0.789
12.061V 5.016V 3.331V 5.074V 69.134 41.99°C 230.21V
80W 5.666A 1.097A 1.09A 0.493A 79.956 89.055% 397 <6.0 39°C 0.85
12.059V 5.015V 3.331V 5.068V 89.783 43.09°C 230.2V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load17.22mV11.95mV9.98mV10.74mVPass
20% Load23.20mV12.05mV11.89mV11.30mVPass
30% Load25.98mV13.75mV10.97mV12.28mVPass
40% Load28.77mV13.70mV11.33mV11.67mVPass
50% Load31.19mV14.32mV11.38mV12.18mVPass
60% Load32.63mV13.24mV11.53mV12.23mVPass
70% Load34.28mV13.39mV11.74mV12.54mVPass
80% Load36.04mV13.81mV12.98mV13.06mVPass
90% Load31.40mV17.05mV14.94mV18.17mVPass
100% Load30.41mV15.14mV13.19mV13.12mVPass
110% Load31.83mV18.45mV15.57mV17.60mVPass
Crossload120.58mV14.18mV11.70mV10.31mVPass
Crossload220.57mV15.46mV11.63mV10.74mVPass
Crossload317.63mV11.90mV12.57mV10.27mVPass
Crossload430.23mV16.44mV13.85mV16.74mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load19.18mV13.24mV11.74mV12.28mVPass
20% Load24.08mV14.22mV12.36mV12.13mVPass
30% Load27.07mV14.68mV11.63mV12.65mVPass
40% Load28.82mV14.99mV12.56mV12.28mVPass
50% Load30.62mV15.20mV12.31mV12.39mVPass
60% Load32.58mV14.58mV12.20mV12.75mVPass
70% Load35.06mV14.01mV12.82mV13.21mVPass
80% Load38.25mV14.47mV13.08mV13.21mVPass
90% Load30.57mV16.38mV13.65mV14.09mVPass
100% Load30.86mV17.90mV13.61mV13.79mVPass
110% Load31.63mV17.13mV14.37mV14.31mVPass
Crossload120.78mV14.90mV12.73mV11.05mVPass
Crossload221.76mV16.79mV12.72mV11.36mVPass
Crossload318.15mV12.62mV14.79mV11.30mVPass
Crossload429.84mV15.05mV13.06mV12.75mVPass

The results above are not used in the certification process

Thermaltake Toughpower PT 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
CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
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