Description
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The InWin 850W PFII Series 80+ Gold ATX 3.0 Power Supply [IW-PS-PFII850W] is a high-performance power delivery unit specifically engineered to meet the rigorous standards of modern computing. As an ATX 3.0 and PCIe 5.0 ready supply, it is designed to handle the massive power excursions typical of next-generation graphics cards, ensuring your system remains stable during the most demanding gaming or rendering sessions.
This unit features 80 PLUS Gold certification, delivering up to 90% efficiency to minimize heat waste and reduce electricity costs. It includes a native 12VHPWR connector capable of delivering up to 600W directly to high-end GPUs, and its fully modular cable design allows for a clean, professional build with optimized airflow inside the chassis.
ATX 3.0 & PCIe 5.0 Ready: Native support for the 12VHPWR (12+4 pin) connector, engineered to handle up to 2x total power excursions.
80 PLUS Gold Efficiency: High energy conversion efficiency (up to 90%) for cooler and quieter operation.
Fully Modular Flat Cables: Only install the cables you need to reduce clutter and improve thermal performance within your case.
Quiet Cooling: Equipped with a 135mm Fluid Dynamic Bearing (FDB) fan that adjusts speed based on load for a silent computing experience.
Reliable Components: Features high-quality Japanese electrolytic capacitors rated for 105°C to ensure long-term stability and durability.
Multi-Protection Suite: Industrial-grade safety features including OVP, UVP, OCP, OTP, OPP, and SCP to protect your hardware.
In-Store Advice: We can verify if your current or future graphics card requires the 600W 12VHPWR cable or if standard 8-pin PCIe leads are sufficient.
Local Support: Based in Charmhaven, we can provide professional installation and cable management to ensure your high-end components are safely powered and neatly organized.
$149.00 Original price was: $149.00.$129.00Current price is: $129.00.
In stock
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| Weight | 2.7 kg |
|---|---|
| Dimensions | 31 × 21 × 12 cm |
Important Product Information
Power Requirements: Designed for universal AC input (100-240V); ensure the dedicated high-gauge power cord is used for high-draw hardware.
Compatibility: Standard ATX form factor with a compact 140mm depth, making it compatible with a wide range of mid-tower and full-tower cases.
Specifications Table
| Feature | Technical Specification |
| Model Number | IW-PS-PFII850W |
| Wattage | 850W |
| 8 Plus Efficiency | 80 PLUS Gold (Up to 90%) |
| Capacitors | High-Quality Electrolytic |
| MTBF | > 100,000 Hours |
| Form Factor | ATX |
| Modularity | Non-modular (Fixed Cables) |
| ATX 3.0 / PCIe 5.0 Support | Yes |
| CPU & GPU Connectors | 2x EPS 8-pin (4+4), 4x PCIe 8-pin (6+2), 1x 12VHPWR (450W) |
| Fan Size | 120mm |
| Fan Type | Sleeve Bearing |
| Warranty | 5 Years |
| What’s Included: | Power Cord, 6x SATA, 3x Molex, 1x Floppy, User Manual |
| Dimensions | 140 x 150 x 86 mm |



