The Inwin 850W PFII Series 80+ Gold ATX 3.0 Power Supply (IW-PS-PFII850W) is a high-performance power delivery system engineered to anchor modern gaming desktops and demanding workstation configurations. Supplying 850 watts of continuous, clean energy, it fully complies with Intel’s latest power supply design parameters to easily drive next-generation hardware architectures.
This unit integrates advanced DC-to-DC converter topology on a powerful single +12V rail layout to guarantee superior dynamic response and absolute system stability under sustained heavy computational loads. Featuring premium certified energy conversion efficiency to limit physical heat generation, it employs intelligent thermal cooling management and a comprehensive industrial multi-protection IC framework to assure complete hardware safety.
Key Features & Specifications
80 Plus Efficiency: certified rating (Bronze/Gold/Platinum/Titanium) for reduced heat and improved power usage.
Modular Cabling: fully modular, semi‑modular, or fixed cables depending on the model for cleaner airflow.
Low‑Noise Cooling: quiet fan design such as FDB, hydraulic bearing, or zero‑RPM mode.
Comprehensive Protections: includes OVP, OPP, SCP, UVP, OTP, and OCP for safe and stable operation.
The Computer Guy Charmhaven Advantage
In‑Store Advice: We can help you choose the correct wattage, confirm GPU connector compatibility, and ensure your case supports the PSU’s form factor and cable lengths.
Local Support & Advice: Our Charmhaven technicians can assist with cable routing, load balancing, and verifying correct EPS/PCIe power connections.
Original price was: $149.00.$129.00Current price is: $129.00.
In stock
%20Specs.webp)
| Weight | 2.7 kg |
|---|---|
| Dimensions | 31 × 21 × 12 cm |
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Important Product Information
Compatibility: Ensure your case supports the PSU’s form factor (ATX/SFX) and that cable lengths suit your chassis layout.
Local Support: Our team can advise on installation, cable management, and selecting the right wattage for future upgrades.
Specifications Table
| Feature | Specification |
| Model Number | IW-PS-PFII850W |
| Form Factor | ATX |
| Wattage | 850W |
| 80 Plus Rating | Gold |
| Modular Type | Non-Modular |
| Fan Type | Sleeve Bearing |
| Fan Size | 120mm |
| Input Voltage | 100V – 240V |
| Protections | OCP, OVP, UVP, SCP, OTP, OPP |
| Cable Type | Flat Ribbon |
| Cable Lengths | Motherboard 24-pin (500mm), CPU EPS 4+4 pin (600mm), PCIe 6+2 pin (500mm), 12VHPWR (600mm), SATA |
| Connector Count | 1× ATX 24-Pin, 2× EPS 4+4 Pin, 4× PCIe 6+2 Pin, 1× PCIe 5.0 12VHPWR (450W), 6× SATA, 3× Peripheral 4-Pin, 1× Floppy |
| Efficiency | Up to 90% (80 PLUS Gold Certified) |
| What’s Included | PSU, fixed cables, power cord, mounting screws, cable ties, manual |
