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White ATX power supply unit with modular cables and a 135 mm fan visible

Seasonic

Seasonic SRP-FGX751-A5A32SF WHITE 750 W power supply

SKU CH-F083-3TMNQ MPN SRP-FGX751-A5A32SF WHITE

A 750 W ATX 3.1 full-modular power supply with an 80 PLUS Gold rating and a 135 mm fluid-dynamic-bearing fan

  • Max wattage750 W
  • Modular cablingFull Modular
  • Fan configuration1 × 135 mm Fluid Dynamic Bearing (FDB) Fan
  • PCIe power connectorsATX 3 and 16-Pin PCIe Gen 5 Cable (12 V-2 × 6)
  • PSU length limit150 mm
  • Efficiency certification80 PLUS GOLD Certified

Model ATX 3.1 80+ Gold (750W) White

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  • ATX 3.1 design supports modern 12V-2x6 graphics cards
  • 80 PLUS Gold certification reduces wasted energy
  • Full modular cabling keeps builds tidy
  • 135 mm Fluid Dynamic Bearing fan runs quietly
  • Compact 140 mm depth fits small cases

White ATX 3.1 750 W unit

This Seasonic Focus GX ATX 3 (2024) power supply delivers 750 W of continuous output in a white finish. It meets the ATX 3.1 specification and carries 80 PLUS Gold certification for high efficiency. The fully modular design lets builders connect only the cables their system requires.

Full modular cabling with Gen 5 PCIe

All cables detach from the unit, freeing space inside the chassis and simplifying routing. A native 16-pin 12V-2x6 connector is included for PCIe Gen 5 graphics cards. The 140 mm depth fits cases that accept power supplies up to 150 mm long.

135 mm FDB fan for quiet operation

A single 135 mm Fluid Dynamic Bearing fan handles cooling across the load range. The fan spins only when needed, keeping acoustic output low during typical workloads. The unit operates on 100-240 V input at 50/60 Hz without manual switching.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $115.99
Cheaper than about 60% of the 10,869 comparable items (median $142.99).
Max wattage 750 W
Lower than about 60% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameSeaSonic
Product lineFOCUS GX ATX 3 (2024)
Model nameGX-750 White
Part numberSRP-FGX751-A5A32SF WHITE
Product colorWhite
Product typeATX 3.1
Ports & slots
PCIe power connectorsATX 3 and 16-Pin PCIe Gen 5 Cable (12 V-2 × 6)
Power
Max wattage750 W
Modular cablingFull Modular
Efficiency certification80 PLUS GOLD Certified
Supply voltage100–240 V
AC input frequency50/60 Hz
Size & build
Product dimensions140 mm (L) × 150 mm (W) × 86 mm (H)
Shipping weight2.95 kg
Package size305 × 178 × 127 mm
Compatibility
PSU length limit150 mm
More details
Fan configuration1 × 135 mm Fluid Dynamic Bearing (FDB) Fan

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