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Seasonic · 750 W · SFX

Seasonic Focus SGX-750

ATX 2.3 · 80 PLUS Gold · Modular

Capability: 75
Cap / price: 35
Wattage value: 28
Amazon: $211

View Seasonic Focus SGX-750 Gallery in high resolution

Not currently available Updated Aug 21, 2026

Capability74.8

Capability / price35.5

Wattage value28.4

$211 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 SGX-750 at a glance

The Seasonic Focus SGX-750 is a 750 W SFX power supply built to the ATX 2.3 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 125 × 100 × 63.5 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 $211, price per kilowatt is $281.32. Capability / price is 35.5 and wattage value is 28.4. 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 SGX-750
Launch price: —
Amazon price: $211
Amazon availability: Not currently available
Price updated: Aug 21, 2026

Power & efficiency

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

Value

Amazon price: $211
Price / kW: $281.32
Capability: 74.8
Capability / price: 35.5
Wattage value: 28.4

Platform & size

ATX generation: 2.3
Form factor: SFX
Dimensions: 125 × 100 × 63.5 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 SGX-750
Color: Black

Amazon

Price history

Nearby capability

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Seasonic Seasonic Focus SGX-750 This PSU

74.8

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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.

COMPACT SIZE: 125 mm (L) x 100 mm (W) x 63.5 mm (H).

FULL MODULAR:Use only the cables you need to reduce clutter to maximize airflow for a better ventilated system.

80 PLUS Gold: Less energy gets wasted during power conversion; Cut down your electricity usage and be Eco-Friendly.

PREMIUM HYBRID FAN CONTROL: Unsurpassed silent performance in Fanless Mode. Functions in three operational stages: Fanless Mode, Silent Mode, and Cooling Mode.

10 YEAR WORRY-FREE WARRANTY: Our commitment to superior quality.