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Seasonic · 750 W · ATX

Seasonic Focus V4 GX-750

ATX 3.0 · 80 PLUS Gold · Modular

Capability: 75
Cap / price: 53
Wattage value: 43
Amazon: $140

View Seasonic Focus V4 GX-750 Gallery in high resolution

Not currently available Updated Oct 2, 2026

Capability74.8

Capability / price53.5

Wattage value42.9

$140 on Amazon PSU table Compare this PSU

Size this PSU for a complete buildThe Builder unlocks PSU choices after it knows the CPU, GPU, case format, and estimated demand. Calculate build power first

Written analysis

Seasonic Focus V4 GX-750 at a glance

The Seasonic Focus V4 GX-750 is a 750 W ATX power supply built to the ATX 3.0 generation. Efficiency is listed as 80 PLUS Gold. Cables are modular. It supports fan-stop at low load.

The calculated capability score is 74.8, averaging the available wattage, recorded efficiency percentage, and warranty inputs against fixed references. Listed warranty is 10 years. +12V output is 62 A.

Best fit: Performance desktops whose calculated component load fits comfortably within a 750–999 W supply.

Platform and cooling

Dimensions are listed as 140 × 150 × 86 mm. Cooling fan size is 120 mm. The unit uses 1 +12V rail at up to 62.00 A per rail. Certifications include 80 PLUS®Gold.

Current value

At $140, price per kilowatt is $186.65. Capability / price is 53.5 and wattage value is 42.9. Compare nearby supplies below; wattage alone does not determine value.

Unit data

Full specifications

Wattage, efficiency, platform size, electrical outputs, connectors, cooling, and value in one technical sheet.

General

Manufacturer: Seasonic
PSU: Seasonic Focus V4 GX-750
Launch price: —
Amazon price: $140
Amazon availability: Not currently available
Price updated: Oct 2, 2026

Power & efficiency

Wattage: 750 W
Efficiency: 80 PLUS Gold
Recorded efficiency: 90%
Warranty: 10 years

Value

Amazon price: $140
Price / kW: $186.65
Capability: 74.8
Capability / price: 53.5
Wattage value: 42.9

Platform & size

ATX generation: 3.0
Form factor: ATX
Dimensions: 140 × 150 × 86 mm
Modular: Yes
Fanless: No

Electrical

Input voltage: 100-240
+12V output: 62 A
+5V output: 20 A
+3.3V output: 20 A
+12V rails: 1
Max amps / rail: 62.00 A

Cooling & build

Fan size: 120 mm
Fan stop: Yes
Certifications: 80 PLUS®Gold

Additional information

Also listed as: Focus V4 GX-750
Color: Black

Amazon

Price history

Nearby capability

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Seasonic Seasonic Focus GX-750 White 750 W · ATX · Modular

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Seasonic Seasonic Focus V4 GX-750 This PSU

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Thermaltake Thermaltake GF1 (2024) Fully Modular ATX 750W 750 W · ATX · Modular

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Thermaltake Thermaltake Toughpower GF A3 750W 750 W · ATX · Modular

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Thermaltake Thermaltake Toughpower GF1 750W 750 W · ATX · Modular

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Thermaltake Thermaltake Toughpower GF3 750W 750 W · ATX · Modular

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Lian Li Lian Li EDGE Gold 750W 750 W · ATX · Modular

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Compare these in the PSU table

Discussion

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Vendor copy

Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

ATX 3.1 / PCIE 5.1 ready. Native 12V-2x6 connector

80 PLUS Gold and Cybenetics Platinum certified

OptiSink Design

NVIDIA RTX 5070 Ti AMD RX 9000 ready

Hybrid fan control with 135 mm FDB fan

Seasonic Focus V4 GX-750 at a glance

Platform and cooling

Current value

General

Power & efficiency

Value

Platform & size

Electrical

Cooling & build

Additional information

Price history

Similar PSUs

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