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SilverStone HELA 850R Platinum 850W ATX 3.1 PSU black 140mm depth 120mm FDB fan

Silverstone

Silverstone HA850R-PMA power supply 850W ATX 3.1 80 Plus Platinum

SKU CH-7950-7D7VZ MPN HA850R-PMA

An 850 W ATX 3.1 unit with 80 Plus Platinum efficiency, 12V-2x6 PCIe connector, fully modular cables, Japanese capacitors and a 120 mm FDB fan with semi-fanless mode

  • ATX 3.1 compliant 12V-2x6 connector for modern GPU power
  • 80 Plus Platinum efficiency reduces waste heat at up to 850 W
  • Fully modular cabling simplifies build and cable routing
  • 120 mm FDB fan with semi-fanless mode for quiet operation
  • 100 % Japanese electrolytic capacitors rated for 50 °C continuous output

Power for RTX 40 series graphics

This 850W ATX 3.1 unit supplies 12V-2x6 power for RTX 40 series or subsequent generation graphics cards. Platinum efficiency and all Japanese electrolytic capacitors deliver steady output up to 50°C. A 120mm Fluid Dynamic Bearing fan with semi-fanless switching keeps noise low. The 140mm depth fits compact builds.

Builders needing native 12V-2x6

Suits systems that require the 12V-2x6 connector and want 80 PLUS Platinum certification. Not for buyers who need more than 850W total output or more than 450W through the 12V-2x6 connector. Not for installations that cannot accommodate a 140mm deep enclosure.

850W total with 450W on 12V-2x6

Comfortably handles high-end GPUs drawing up to 450W through the 12V-2x6 connector. The unified EPS/PCIe modular interface simplifies cable routing. 180° angled SATA connectors ease drive placement in parallel layouts. Headroom ends at the 850W continuous rating and the single 12V-2x6 port.

Puntos fuertes

  • ATX 3.1 compliant 12V-2x6 connector for modern GPU power
  • 80 Plus Platinum efficiency reduces waste heat at up to 850 W
  • Fully modular cabling simplifies build and cable routing
  • 120 mm FDB fan with semi-fanless mode for quiet operation
  • 100 % Japanese electrolytic capacitors rated for 50 °C continuous output

Especificaciones

BrandSilverStone
ModelHELA 850R Platinum
Part NumberHELA 850R Platinum
Peso de envío0.45 kg
Dimensiones del paquete25 × 25 × 25 mm

Preguntas sobre este artículo

Does the HELA 850R Platinum need a motherboard with an ATX 3.1 12V-2x6 header to work?

The 12V-2x6 connector is built for ATX 3.1 boards, yet the supply also includes standard EPS and PCIe cables that plug into older 8-pin and 6+2-pin headers.

Will the 140mm depth fit in the same case that held my older ATX unit?

At 140mm deep it matches the common ATX PSU length, so most cases that accepted a standard unit will accept this one.

How can I confirm the semi-fanless mode is actually active after I build the system?

With the semi-fanless switch enabled the 120mm FDB fan stays off at low load; you will hear it spin up only when power draw rises.

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