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Rectangular matte-black ATX power supply with honeycomb fan grille and modular cable sockets

Seasonic

Seasonic PRIME GX-750 750W 80+ Gold Full Modular Power Supply

SKU CH-79YX-25AE6 MPN PRIME GX-750

A 750 W fully modular ATX power supply with 80 PLUS Gold efficiency, a 135 mm fluid dynamic bearing fan and hybrid fan control, single +12 V rail rated at 62 A.

  • TypeIntel ATX 12 V
  • Maximum Power750 W
  • Fans135 mm Fluid Dynamic Bearing Fan
  • Main Connector20+4Pin
  • +12V RailsSingle
  • PCI-Express Connector4 x 6+2-Pin

Options ATX Gold (750W)

  • Tight voltage regulation under .5 percent for stable high-performance operation
  • Fully modular cabling reduces clutter and improves case airflow
  • 80 PLUS Gold certification cuts energy waste during power conversion
  • Hybrid fan control offers silent fanless mode at low loads
  • 150000 hour MTBF at 25 degrees Celsius indicates long-term reliability

750W ATX Power Supply for High-Performance Builds

This 750-watt ATX 12V unit delivers a single +12V rail rated at 62A with micro-tolerance load regulation under 0.5%. It targets enthusiasts and gamers who need stable, efficient power for multi-GPU configurations and demanding components. Full modular cabling and a 140mm chassis depth simplify installation in compatible cases.

Ideal for Multi-GPU Systems.

The four 6+2-pin PCIe connectors and eight SATA ports support multi-graphics-card setups and abundant storage. A 135mm fluid dynamic bearing fan with hybrid control offers a fanless mode for quiet operation. Builders using space-constrained chassis should verify the 140mm length fits their case before purchase.

Single +12V Rail at 62A Decides Compatibility

The entire 750W capacity is available on one +12V rail rated at 62A, simplifying power distribution for high-end graphics cards and CPUs. If your combined +12V draw approaches this limit, a higher-wattage unit is required. This single-rail figure is the key specification for matching the PSU to your hardware.

Puntos fuertes

  • Tight voltage regulation under .5 percent for stable high-performance operation
  • Fully modular cabling reduces clutter and improves case airflow
  • 80 PLUS Gold certification cuts energy waste during power conversion
  • Hybrid fan control offers silent fanless mode at low loads
  • 150000 hour MTBF at 25 degrees Celsius indicates long-term reliability

Especificaciones

BrandSeaSonic
SeriesPRIME Ultra Gold
ModelPRIME GX-750 (SSR-750GD2)
TypeIntel ATX 12 V
Maximum Power750 W
Fans135 mm Fluid Dynamic Bearing Fan
Main Connector20+4Pin
+12V RailsSingle
PCI-Express Connector4 x 6+2-Pin
SATA Power Connector8
Max PSU Length140 mm
ModularFull Modular
Energy-Efficient80 PLUS GOLD Certified
Over Voltage ProtectionYes
Input Voltage100 - 240 V
Input Frequency Range50/60 Hz
Input Current10 - 5 A
Output+3.3V@20A, +5V@20A, +12V@62A, [email protected] , +5VSB@3A
MTBF150,000 hours MTBF @ 25 degree C, excl. fan
ApprovalscTUVus, TUV, CB, CCC, BSMI, EAC, Energy Star, RoHS, WEEE, ErP Lot 6, REACH
Connectors1 x Main Power (24/20 pins)
2 x CPU (8/4 pins)
4 x PCIe (8/6 pins)
8 x SATA
3 x Peripheral
1 x Floppy
FeaturesUltra-High Efficiency, 80 PLUS Gold Certified
Micro Tolerance Load Regulation
Top-Quality 135 mm Fluid Dynamic Bearing Fan
Premium Hybrid Fan Control
Cable-free Connection Design
Fully Modular Cabling Design
Multi-GPU Technologies Supported
Gold-Plated High Current Terminals
Dimensions5.91" x 5.51" x 3.39"
Weight7.50 lbs.
Peso de envío3.18 kg
Dimensiones del paquete343 × 206 × 137 mm

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Preguntas sobre este artículo

What does the 750 W maximum power mean for a real build?

It provides up to 750 W total output with a single +12 V rail rated at 62 A, enough for high-end CPUs and GPUs while leaving headroom for drives and peripherals.

How does the 80 PLUS Gold certification limit efficiency in practice?

The unit meets 80 PLUS Gold requirements, so it runs at high efficiency across typical loads, lowering heat and electricity use compared with lower-rated supplies.

What clearance does the 140 mm length need in a case?

The power supply is 140 mm long, so the case must support at least that depth in the PSU chamber for a proper fit.

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