# SilverStone Technology HELA 850R Platinum Cybenetics Platinum 850W PCIe 5.0 Fully Modular ATX 3.0 Power Supply with A+ Noise Rating (18dBA Average), SST-HA850R-PM

- Category: Power Supply
- Brand: SilverStone Technology
- Model: SST-AX0850MCPT-A
- Part number: SST-AX0850MCPT-A
- Price (US): $229.26
- Price last checked: 2026-08-05
- Rating: 3.6/5 from 10 Amazon reviews
- Warranty: 5 years
- Product page: https://buildmypc.net/component-details/power-supply/silverstone-technology-sst-ax0850mcpt-a/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | SilverStone Technology |
| Model | SST-AX0850MCPT-A |
| Power | 850 W |
| Efficiency | 80+ Platinum |
| Color | Black / Silver |
| Form Factor | ATX |

## Key Features

- Super flexible black flat modular cables
- All Japanese electrolytic capacitors
- Includes 450W 12VHPWR PCIe connector with ATX 3.0 and PCIe Gen 5 standard
- 24/7 continuous power output with 50℃ operating temperature
- Silent running 135mm fan with 0 dBA minimum, equipped with semi-fanless switch function

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