# IN WIN P85 (P Series) 850 Watt Fully Modular Power Supply 80+ Gold Certified

- Category: Power Supply
- Brand: IN WIN
- Model: P850W
- Part number: 3RAMAP035900
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.2/5 from 14 Amazon reviews
- Warranty: 5 years
- Product page: https://buildmypc.net/component-details/power-supply/in-win-p850w-3ramap035900/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | IN WIN |
| Model | P850W |
| Power | 850 W |
| Efficiency | 80+ Gold |
| Color | Black |
| Form Factor | ATX |

## Key Features

- The P Series is an 80 PLUS Gold certified power supply that focuses its features on efficiency, reliability and overall PC building experience. The P Series’ low noise output makes this PSU the optimal choice for most PC builds.
- Ultra Quiet, Smart Fan Control - The P series features a smart temperature-controlled fan. Built-in control modes uses three temperature ranges and automatically detects the output power to adjust the fan speed accordingly. This will maintain the power supply's stability and noise levels.
- Cooling Mode - When the system is above 20% load, the fan will automatically turn on to maintain optimal cooling.
- Shut Down Cooling Mode - When the system is shutting down, the fan will continue to operate for 60 seconds to effectively remove residual heat.
- 80 PLUS Gold with up to 90% Conversion Efficiency - The P Series delivers up to 90% efficiency, generating less heat and effectively reducing operating cost.
- Fully Modular with Hight Quality Flat Cables - The fully modular and flexible flat cables allow builders limits the cables present in a PC. Easier cable management results in cleaner builds with better airflow.

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