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Rectangular black ATX power supply with modular cable sockets and a 120mm fan grille

Silverstone

Silverstone PS-HA750R-PM 750W Platinum ATX 3.1 power supply

SKU CH-04YQ-HQPR0 MPN PS-HA750R-PM

Fully modular 750W ATX 3.1 unit with 12V-2x6 connector, 80 PLUS Platinum efficiency and 120mm FDB fan

  • ATX 3.1 compliant 12V-2x6 connector for modern GPU power
  • 80 PLUS Platinum certification delivers high efficiency at 750W
  • Fully modular cables simplify build and airflow
  • 120mm FDB fan with semi-fanless mode for quiet operation
  • All Japanese electrolytic capacitors rated for 50°C continuous output

750W Platinum ATX 3.1 Power Supply

This fully modular Silverstone unit delivers 750 watts of continuous power from a 140mm deep enclosure. It targets builders who need ATX 3.1 compliance and a native 12V-2x6 connector for modern graphics cards. The 80 PLUS Platinum rating ensures high efficiency across the load range. Japanese electrolytic capacitors and a 120mm fluid dynamic bearing fan support 24/7 operation at 50°C ambient temperature.

Native 12V-2x6 PCIe 5.0 Connector

The power supply includes a single 12+4 pin 12V-2x6 connector rated for 450 watts, meeting the ATX 3.1 specification for PCIe Gen5 graphics cards. This connector replaces older 12-pin and 8-pin arrangements, removing the need for adapters. A semi-fanless switch allows the 120mm FDB fan to stop at low loads for silent running. All cables are fully modular using Silverstone's third-generation interface.

750W Capacity with 450W GPU Headroom

The unit provides 750 watts total, with 450 watts available through the 12V-2x6 connector for a high-end GPU such as an RTX 40 series card. Remaining power covers CPU, motherboard and peripherals including SATA drives connected via 180° angled plugs. Builders planning dual high-power GPUs or extreme overclocking headroom will need a higher-wattage model. The 140mm depth fits most standard ATX cases.

Highlights

  • ATX 3.1 compliant 12V-2x6 connector for modern GPU power
  • 80 PLUS Platinum certification delivers high efficiency at 750W
  • Fully modular cables simplify build and airflow
  • 120mm FDB fan with semi-fanless mode for quiet operation
  • All Japanese electrolytic capacitors rated for 50°C continuous output

Specifications

BrandSilverStone
Shipping weight0.45 kg
Package size25 × 25 × 25 mm

Questions about this item

What does the 750W rating mean for a system with an RTX 40 series graphics card?

The unit can deliver up to 750W continuously at 50? ambient temperature, providing steady power and headroom for transient spikes from RTX 40 series or subsequent generation GPUs.

How does the ATX 3.1 compliant 12V-2x6 connector limit power delivery to the GPU?

The 12+4 pin 12V-2x6 connector is rated for a maximum of 450W, capping the single-cable draw available to the graphics card.

Will the 140mm deep enclosure and 180° angled SATA connectors fit my case and drive layout?

The power supply measures 140mm in total depth, and the 180° angled SATA plugs are designed for parallel hard drive arrangements, easing cable routing in tight spaces.

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