Customer: Cybenetics LTD
Syrou 6, Latsia, 2231, Nicosia Cyprus
Syrou 6, Latsia, 2231, Nicosia Cyprus
TUF Gaming 850W Platinum (#2)
| 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 |
| Voltage | 115V | 230V |
|---|---|---|
| Efficiency (>1450 Load Combinations) | 90.523% | 92.390% |
| Efficiency Graphs |  |  |
| Average PF (>1450 Load Combinations) | 0.987 | 0.954 |
| 12V Step | 8.00W | |
| 5V/3.3V Step | 2.50W | |
| Standby Power Consumption | 0.0458W | 0.1278W |
| ErP Lot 3/6 Ready | ✓ | |
| (EU) No 617/2013 Compliance | ✓ | |
| Average Efficiency VSB | 85.574% | 84.923% |
| Conducted Emissions EN 55032 & CISPR 32 (48W) | Passed | |
| Conducted Emissions Graphs |  |  |
| Voltage | 115V | 230V |
|---|---|---|
| Noise Rating (>1450 Load Combinations) | 7.99dBA | 7.99dBA |
| Noise Graphs |  |  |
| Efficiency With 10W (≤500W) or 2% (>500W) Load | 72.572% |
| Hold Up Time | 16.30ms |
| Power OK | 14.00ms |
| Power OK to DC Loss | 2.30ms |
| Test\Rail | +12V | 5V | 3.3V | 5VSB |
| 100ms | 12.071 | 5.076 | 3.250 | 5.099 |
| 10ms | 12.080 | 5.051 | 3.217 | 5.042 |
| 1ms | 11.695 | 5.020 | 3.208 | 5.055 |
| 0.1ms | 11.541 | 4.992 | 3.188 | 5.040 |
| Product Identification Details | |
| Brand | ASUS |
| Model | TUF Gaming 850W Platinum (#2) |
| OEM/ODM | Great Wall |
| Serial Number | 2Q044147890 |
| Product Specifications | |
| Manufacturer | |
| Rated Voltage (Vrms) | 100-240 |
| Rated Current (Arms) | 10-6 |
| Rated Frequency (Hz) | 47-63 |
| Rated Power (W) | 850 |
| Operating Temperature (Continuous Full Load) (°C) | 0 - 50 |
| Type | ATX12V |
| Cable Design | Fully Modular |
| Warranty | 8 years |
| Cybenetics | |
| Dimensions (W x H x D) | 150 x 85 x 150mm |
| Weight | 1.47 kg (3.24 lb) |
| Cooling | 135mm Ball Bearing Fan (HA13525M12B-Z) |
| Semi-Passive Operation | ✗ |
| Cybenetics Testing Information | |
| Lab ID | AS85003347 |
| Date of receipt | Jun 18, 2026 |
| Testing Date | Jul 14, 2026 |
| Report Issued Date | Jul 23, 2026 |
| Engineer Name | Ioannis Kalyviotis |
| Authorized By the Laboratory Technical Manager | Aristeidis Bitziopoulos |
| Signature |  |
| Modular Cables | ||||
| Description | Cable Count | Connector Count (Total) | Gauge | Cable Type |
| ATX connector 20+4 pin (610mm) | 1 | 1 | 16-20AWG | Tinned Copper |
| 4+4 pin EPS12V (750mm) | 2 | 2 | 16AWG | Tinned Copper |
| 6+2 pin PCIe (670mm) | 3 | 3 | 16AWG | Tinned Copper |
| 12+4 pin PCIe (670mm) (600W) | 1 | 1 | 16-24AWG | Tinned Copper |
| SATA (400mm+150mm+150mm) | 2 | 6 | 18AWG | Tinned Copper |
| 4-pin Molex (400mm+150mm+150mm) | 1 | 3 | 18AWG | Tinned Copper |
| Over Power Protection | ✓ |
| Over Current (+12V) Protection | ✓ |
| Over Temperature Protection | ✓ |
| Short Circuit Protection | ✓ |
| Surge Protection | ✓ |
| Inrush Current Protection | ✓ |
| Fan Failure Protection | ✗ |
| 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 | Thinking Electronic Industrial SCK205R0 (5 Ohm @ 25°C) & Relay |
| Bridge Rectifier | 2x Yangjie GBU1508 (800V, 10A @ 100°C) |
| APFC MOSFETs | Transphorm TP65H035G4YS (600V, 29.5A @ 100°C, Rds(on): 0.041Ohm) |
| APFC Boost Diode | Wolfspeed C6D06065A (650V, 6A @ 155°C) |
| Bulk Cap(s) | 1x Elite (420V, 470uF, 2000h @ 105°C, PL ) 1x Elite (450V, 270uF, 2000h @ 105°C, PL ) |
| Main Switchers | 2x CRMicro CRJF99N65G2BF (650V, 20A @ 100°C, Rds(on): 0.103Ohm) |
APFC Controller | Champion CM6502UHHX & |
| Resonant Controller | Champion CM6901X |
| IC Driver | Novosence NSi6602 |
| Topology | Primary side: APFC, Half-Bridge & LLC Resonant Converter Secondary side: [12V] Synchronous Rectification & [Minor Rails] DC-DC converters |
| Secondary Side | |
| +12V MOSFETs | 4x Infineon 10N04LS6 (40V, 201A @ 100°C, Rds(on): 1.0mOhm) |
| 5V & 3.3V | DC-DC Converters: 4x Advanced Power Electronics AP4024GEMT-HF (30V, 20.9A @ 70°C, Rds(on): 4.5mOhm) PWM Controller(s): Anpec APW7159C |
| Filtering Capacitors | Electrolytic: |
| Supervisor IC | Weltrend WT7681P |
| Fan Power Switch | S8550 Transistor |
| Fan Model | Hong Hua HA13525M12B-Z (135mm, 12V, 0.36A, Dual Ball Bearing) |
| 5VSB Circuit | |
| Rectifier | Diodes T6005L ( 60V, 14.3A @ 70°C ) |
| Standby PWM Controller | Leadtrend LD5537B1 |
| Photos |  |  |
| Top side | Power specifications label |
F.1 General Statement
Measurement uncertainty associated with the reported results was evaluated and estimated in accordance with JCGM 100:2008 (Guide to the Expression of Uncertainty in Measurement — GUM) and ISO/IEC 17025:2017, Clauses 7.6 and 7.2.
The uncertainty budget accounts for all significant identified contributors arising from the measurement process, instrumentation, test conditions, and operator interaction.
The reported expanded uncertainty U is obtained by multiplying the combined standard uncertainty uc by a coverage factor k = 2, corresponding to a confidence level of approximately 95 %, assuming a normal probability distribution.
Unless otherwise stated, the reported uncertainty applies only to the specific measurements performed and does not include long-term drift, aging effects, or future environmental changes.
F.2 Expanded Measurement Uncertainty by Measurement Type
| Measurement | Expanded Uncertainty U (k=2, norm) |
| Efficiency | ±0.43% |
| Timings | ±2.64ms |
| Power Excursions (Transient Response) | ±0.18V |
| Conducted EMI Emissions (150 kHz – 30 MHz) | ±2.35 dB |
| Noise Output | ±1.23 dB |