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Black rectangular ATX power supply unit with modular cable sockets and a 14 cm fan grille

Fractal Design

Fractal Design FD-P-IA3G-750-US 750W ATX12V 3.1 power supply

SKU CH-3WTT-X1794 MPN FD-P-IA3G-750-US

Delivers 750 W of 80 PLUS Gold certified power with ATX12V 3.1 support and a native 16-pin PCIe Gen 5 12V-2×6 cable for next-generation graphics cards

  • ColorBlack
  • TypeATX12V 3.1
  • Maximum Power750 W
  • PFCActive
  • +12V RailsSingle
  • PCI-Express ConnectorPCI-E 6+2 pin, 650 mm; PCI-E Gen5 12V-2x6, 700 mm

Option Ion 3 Gold 750W Black

  • Ready for next-gen GPUs with ATX12V 3.1 and PCIe Gen 5 12V-2×6 support
  • 80 PLUS Gold efficiency cuts energy waste and heat
  • Momentum 14 fan with fluid dynamic bearing runs quieter and lasts longer
  • Zero RPM mode stops the fan completely at low loads
  • Fully modular UltraFlex cables keep the build tidy and airflow clear

Next-generation ATX12V 3.1 power supply

The Fractal Design Ion 3 Gold delivers 750 W of continuous power through a fully modular design. It targets builders assembling modern gaming systems that require stable output for high-end graphics cards. ATX12V 3.1 compliance ensures compatibility with upcoming component power excursions. The single +12 V rail simplifies load distribution across all connected hardware.

Thermals noise and power draw

A Momentum 14 fan with fluid dynamic bearing and LCP blades provides adaptive cooling through variable speeds. Zero RPM mode stops the fan entirely under lighter loads for near-silent operation. 80 PLUS Gold certification confirms high efficiency at typical loads, reducing waste heat and energy use. Active PFC and ErP Lot 6 compliance at 45 % further limit standby consumption.

Upgrade path and value

The unit replaces older ATX supplies that lack native 16-pin PCIe Gen 5 12V-2×6 connectors for current graphics cards. UltraFlex cables and full modularity ease routing compared to fixed-cable designs. Japanese 105 °C capacitors and a 90 000-hour MTBF support long-term reliability. The jump is worthwhile when building or refreshing a system that needs Gen 5 GPU power and quiet, efficient delivery.

Fordele

  • Ready for next-gen GPUs with ATX12V 3.1 and PCIe Gen 5 12V-2×6 support
  • 80 PLUS Gold efficiency cuts energy waste and heat
  • Momentum 14 fan with fluid dynamic bearing runs quieter and lasts longer
  • Zero RPM mode stops the fan completely at low loads
  • Fully modular UltraFlex cables keep the build tidy and airflow clear

Specifikationer

BrandFractal Design
ModelFD-P-IA3G-750-US
ColorBlack
TypeATX12V 3.1
Maximum Power750 W
PFCActive
+12V RailsSingle
PCI-Express ConnectorPCI-E 6+2 pin, 650 mm; PCI-E Gen5 12V-2x6, 700 mm
SATA Power Connector4x SATA, 400+150+150+150 mm; 2x SATA 650+150 mm
ModularFull Modular
Efficiency= 45% ErP Lot 6 compliant
Energy-Efficient80 PLUS GOLD Certified
Input Voltage100 - 240 V
MTBF90,000 HRS
ApprovalsCE, UKCA, BSMI, CCC, FCC, TUV, cULus, RCM, ICES, CB, KC
FeaturesATX12V 3.1 compatibility for next-gen components with GPU power excursion support to ensure stability with upcoming graphics cards.16-pin PCIe Gen 5 12V-2×6 cable provides native GPU power with shortened sense pins for a reliable, secure connection.80 PLUS Gold certified for high efficiency with optimized power delivery for reduced heat output.Powerful 140 mm Momentum fan with fluid dynamic bearing delivers quieter, cooler performance.Zero RPM Mode option allows fan deactivation under lighter loads for near-silent operation.Zero RPM Mode option allows fan deactivation under lighter l
Dimensions150 x 150 x 86 mm
Weight1.8kg
Forsendelsesvægt3.49 kg
Pakkestørrelse356 × 187 × 127 mm

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Spørgsmål om denne vare

How do I install the 16-pin PCIe Gen5 12V-2x6 cable, and what step is often missed?

Plug the 16-pin connector fully into the GPU until it clicks, then attach the other end to the PSU's PCIe port. The shortened sense pins must seat completely or the card will not power on.

What maintenance will the Momentum 14 fan need over time?

The fluid dynamic bearing is sealed and requires no lubrication. Clean dust from the blades and grille every few months with compressed air to keep airflow and noise levels consistent.

At what point does the 750 W limit appear during sustained load?

When total system draw reaches 750 W the over-power protection will trip and shut the unit down. The single +12V rail delivers the full 750 W, so combined CPU and GPU load must stay below that figure.

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