EG0850Gv2
| 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) | 89.043% | 91.195% |
| Efficiency Graphs | ![]() | ![]() |
| Average PF (>1450 Load Combinations) | 0.981 | 0.939 |
| 12V Step | 8.00W | |
| 5V/3.3V Step | 2.00W | |
| Standby Power Consumption | 0.0652W | 0.1178W |
| ErP Lot 3/6 Ready | ✓ | |
| (EU) No 617/2013 Compliance | ✓ | |
| Average Efficiency VSB | 79.994% | 79.403% |
| Conducted Emissions EN 55032 & CISPR 32 (48W) | Passed | |
Conducted Emissions Graphs ![]() ![]() | ||
| Voltage | 115V | 230V |
|---|---|---|
| Noise Rating (>1450 Load Combinations) | 19.45dBA | 19.25dBA |
| Noise Graphs | ![]() | ![]() |
| Efficiency With 10W (≤500W) or 2% (>500W) Load | 67.138% |
| Hold Up Time | 18.20ms |
| Power OK | 16.90ms |
| Power OK to DC Loss | 1.30ms |
| Test\Rail | +12V | 5V | 3.3V | 5VSB |
| 100ms | 12.102 | 4.996 | 3.280 | 4.922 |
| 10ms | 11.691 | 4.946 | 3.230 | 4.875 |
| 1ms | 11.560 | 4.929 | 3.210 | 4.860 |
| 0.1ms | 11.434 | 4.911 | 3.188 | 4.875 |
| Product Identification Details | |
| Brand | Lian Li |
| Model | EG0850Gv2 |
| OEM/ODM | Helly Technology (Guangzhou) Co., Ltd. |
| Serial Number | G9PEG0850CBY263500002 |
| Product Specifications | |
| Manufacturer | |
| Rated Voltage (Vrms) | 100-240 |
| Rated Current (Arms) | 5-10 |
| Rated Frequency (Hz) | 50-60 |
| Rated Power (W) | 850 |
| Operating Temperature (Continuous Full Load) (°C) | 0 - 40 |
| Type | ATX12V |
| Cable Design | Fully Modular |
| Warranty | 10 years |
| Cybenetics | |
| Dimensions (W x H x D) | 150 x 86 x 182 mm |
| Weight | 1.55 kg (3.41 lb) |
| Cooling | 120mm Fluid Dynamic Bearing Fan (D12SH-12) |
| Semi-Passive Operation | ✓ (selectable) |
| Cybenetics Testing Information | |
| Lab ID | LL85003423 |
| Date of receipt | Sep 8, 2026 |
| Testing Date | Sep 23, 2026 |
| Report Issued Date | Oct 13, 2026 |
| DUT Notes | In the first sample, the 12V-2x6 (12+4-pin) cable, rated at 450W, used 18AWG wires for its power conductors, while the ATX v3.0 and v3.1 specifications require 16AWG for all twelve power and ground pins, regardless of the cable's power rating. Lian Li re-sent a new cable with 16AWG power gauges and said this change will also be passed to production to meet ATX v3.1 requirements. |
| 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 24 pin (600mm) | 1 | 1 | 16AWG | Tinned Copper |
| 4+4 pin EPS12V (700mm) | 1 | 1 | 18AWG | Tinned Copper |
| 8 pin EPS12V (700mm) | 1 | 1 | 18AWG | Tinned Copper |
| 6+2 pin PCIe (550mm) | 3 | 3 | 18AWG | Tinned Copper |
| 12+4 pin PCIe (600mm) (450W) | 1 | 1 | 16-24AWG | Tinned Copper |
| SATA Y cable, 2 branches (380mm+150mm each) | 1 | 4 | 18AWG | Tinned Copper |
| SATA (300mm+15mm+15mm+15mm) | 1 | 4 | 18AWG | Tinned Copper |
| 4-pin Molex (450mm+150mm+150mm+150mm) | 1 | 4 | 18AWG | Tinned Copper |
| AC Power Cord (1400mm) - C13 coupler | 1 | 1 | 3G 0.75mm² | |
| 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) | Helly Technology |
| PCB Type | Double-Sided |
| Primary Side | |
| Transient Filter | 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV |
| Inrush Protection | 1x Cantherm MF72-10D20 (10 ohm) & Relay |
| Bridge Rectifier(s) | 2x GBU1510 (1000V, 15A @ 100°C) |
| APFC MOSFETs | 2x PIP Semiconductor PTA28N50 (500V, 18A @ 100°C, Rds(on): 0.21Ohm) |
| APFC Boost Diode | SID6P650 (650V, 6A @ 155°C) |
| Bulk Cap(s) | 2x Rubycon (420V, 330uF, @ 105°C, CE) |
| Main Switchers | 4x SI-Trend SI16N50F (500V, 16A @ 25°C, Rds(on): 0.35Ohm) |
| Resonant Controller | Champion CM6901T6X |
| APFC Controller | Champion CM6500UNX |
| Topology | Primary side: APFC, Full-Bridge & LLC Resonant converter Secondary side: Synchronous Rectification & DC-DC converters |
| Secondary Side | |
| +12V MOSFETs | 6x PIP Semiconductor SPTJ04R014E |
| 5V & 3.3V | DC-DC Converters: 2x XSEMI XP3NA3R4MT (30V, 46A @ 100°C, Rds(on): 3.4mOhm) & 2x Rectron Semiconductor RMN3N5R0DF (30V, 19.7A @ 70°C, Rds(on): 5mOhm) PWM Controller(s): 1x uPi semi uP3861 |
| Filtering Capacitors | Electrolytic: |
| Supervisor IC | Weltrend WT7527RA (OVD, PGO, UVD, OCD) |
| Fan Model | Yate Loon D12SH-12 (120mm, 12V, 0.30A, Fluid Dynamic Bearing Fan) |
| 5VSB | |
| Rectifier | 1x Dongke Semiconductor DK5V60R20S |
| Standby PWM Controller | Excelliance MOS EM8569C |




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 |