# SilverStone Technology Extreme 850R Platinum Cybenetics Platinum 850W SFX12V 4.0 (ATX 3.0) & PCIe 5.0 SFX Power Supply, SST-EX850R-PM

- Category: Power Supply
- Brand: SilverStone Technology
- Model: SST-EX850R-PM
- Part number: SST-EX850R-PM
- Price (US): $221.67
- Price last checked: 2026-08-06
- Rating: 3.4/5 from 16 Amazon reviews
- Warranty: 5 years
- Product page: https://buildmypc.net/component-details/power-supply/silverstone-technology-sst-ex850r-pm/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | SilverStone Technology |
| Model | SST-EX850R-PM |
| Power | 850 W |
| Efficiency | 80+ Platinum |
| Color | Black |
| Form Factor | SFX |

## Key Features

- SFX 12V V4.0 specification standard (equivalent to ATX 3.0) with Gen5 12VHPWR PCIe connector (450W rating)
- Cybenetics Platinum efficiency certification with 24/7 continuous power output up to 50℃ operating temperature
- Ultra-silent 92mm FDB fan with intelligent fan control and delayed shut off function
- All Japanese electrolytic capacitors with flexible flat modular cables
- Includes ATX to SFX adapter bracket
- Please use only cables included with the power supply for best performance / reliability

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