Seasonic Focus SGX-750

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Seasonic Focus SGX-750 Review & Specifications

The Seasonic Focus SGX-750 by Seasonic is a power supply unit that provides 750 watts of power output. This unit follows the 2.3 standard and comes in a SFX size. It is certified with 80 PLUS®Gold and rated at Gold efficiency, reaching a peak efficiency of 90%. It features a 120 mm cooling fan with fan stop support, and is actively cooled. This PSU is modular . It delivers:

62 A on the 12V rail (1 rail(s))
20 A on the 5V rail
20 A on the 3.3V rail

Operating at 100-240 V input, it includes a 10-year warranty. Physical dimensions are 125 × 100 × 63.5 mm.

Power Supply Performance

The Seasonic Focus SGX-750 is a high power PSU, sufficient for mainstream gaming systems and content creation workstations. It provides sufficient power for systems with modern multi-core CPUs and performance-class GPUs, offering headroom for overclocking and future upgrades.

This PSU achieves a high efficiency of 90% and carries a Gold certification. It balances cost and performance well and is a reliable choice for mainstream builds. The 10-year warranty reflects good long-term support.

From a cost-efficiency standpoint, this PSU offers low value, with a high cost of $281.3 per kilowatt. Given that it lacks exceptional performance and efficiency, users may find better alternatives at a lower price, making this PSU less attractive for budget-conscious builders.

General Information

Manufacturer	Seasonic
Power Supply Name	Seasonic Focus SGX-750
Current Price Amazon	$211
Amazon Price Updated	1 day, 9 hours ago.
Power Supply Available	True

Specification

Power Output	750 W
ATX Version / Form Factor	2.3 / SFX
Certifications	80 PLUS®Gold
Efficiency Rating	Gold
Modular / Fanless	True / False
Fan Size / Fan Stop	120 mm / True
Dimensions	125 × 100 × 63.5 mm
Warranty	10 years

Performance

Input Voltage	100-240 V
Number of 12 V Rails	1
Output 12V / 5V / 3.3V	62 A / 20 A / 20 A
Maximum Efficiency	90%
Price per kW	281.3 USD/kW

Seasonic Focus SGX-750 Compared to Similar Performance PSUs

Power Supply Price / Performance Table

Power_Supply (Desc)	Price (Desc)	Quality_&_Perf (Desc)	Q&P/Price (Desc)	USD/Kilowatt (Desc)
Seasonic Focus SGX-750 Seasonic Focus SGX-750 View detailed specs, charts, and comparison for this Power Supply.	$211 Seasonic Focus SGX-750 Current Amazon Price Click to view this PSU on Amazon. \| 0.0% Seasonic Focus SGX-750 Price Change No significant price change detected.	74.8%	35.5%	281.3 281.3
MSI MPG A750GF MSI MPG A750GF View detailed specs, charts, and comparison for this Power Supply.	$149 MSI MPG A750GF Price Not Available Last known price from Amazon. Currently unavailable. Click to view this PSU on Amazon. \| ↓ -99.5% MSI MPG A750GF Price Change Price decreased from the last update.	74.8%	50.2%	198.7 198.7
Seasonic Focus GX-750 White Seasonic Focus GX-750 White View detailed specs, charts, and comparison for this Power Supply.	$90 Seasonic Focus GX-750 White Current Amazon Price Click to view this PSU on Amazon. \| 0.0% Seasonic Focus GX-750 White Price Change No significant price change detected.	74.8%	83.2%	120.0 120.0
Thermaltake Toughpower GF A3 750W Thermaltake Toughpower GF A3 750W View detailed specs, charts, and comparison for this Power Supply.	$91 Thermaltake Toughpower GF A3 750W Price Not Available Last known price from Amazon. Currently unavailable. Click to view this PSU on Amazon. \| ↓ -3.1% Thermaltake Toughpower GF A3 750W Price Change Price decreased from the last update.	74.8%	82.7%	120.7 120.7
Thermaltake GF1 (2024) Fully Modular AT… Thermaltake GF1 (2024) Fully Modular ATX 750W View detailed specs, charts, and comparison for this Power Supply.	$90 Thermaltake GF1 (2024) Fully Modular ATX 750W Current Amazon Price Click to view this PSU on Amazon. \| 0.0% Thermaltake GF1 (2024) Fully Modular ATX 750W Price Change No significant price change detected.	74.8%	83.2%	120.0 120.0
be quiet! Pure Power 13 M 650W be quiet! Pure Power 13 M 650W View detailed specs, charts, and comparison for this Power Supply.	$144 be quiet! Pure Power 13 M 650W Price Not Available Last known price from Amazon. Currently unavailable. Click to view this PSU on Amazon. \| ↑ 9.9% be quiet! Pure Power 13 M 650W Price Change Price increased from the last update.	74.2%	51.5%	222.0 222.0
be quiet! Pure Power 12 M 650W be quiet! Pure Power 12 M 650W View detailed specs, charts, and comparison for this Power Supply.	$384 be quiet! Pure Power 12 M 650W Current Amazon Price Click to view this PSU on Amazon. \| ↓ -16.8% be quiet! Pure Power 12 M 650W Price Change Price decreased from the last update.	73.5%	19.1%	590.8 590.8
be quiet! Pure Power 12 650W be quiet! Pure Power 12 650W View detailed specs, charts, and comparison for this Power Supply.	$102 be quiet! Pure Power 12 650W Price Not Available Last known price from Amazon. Currently unavailable. Click to view this PSU on Amazon. \| ↓ -28.2% be quiet! Pure Power 12 650W Price Change Price decreased from the last update.	73.5%	72.2%	156.6 156.6
Thermaltake Toughpower GF A3 650W Thermaltake Toughpower GF A3 650W View detailed specs, charts, and comparison for this Power Supply.	$99 Thermaltake Toughpower GF A3 650W Price Not Available Last known price from Amazon. Currently unavailable. Click to view this PSU on Amazon. \| ↑ 25.3% Thermaltake Toughpower GF A3 650W Price Change Price increased from the last update.	72.8%	73.6%	152.3 152.3

PSU Comparison and Detail Specifications Table

Specification	Seasonic Focus SGX-750 Seasonic Focus SGX-750 View detailed specs, charts, and comparison for this Power Supply.	MSI MPG A750GF MSI MPG A750GF View detailed specs, charts, and comparison for this Power Supply.	Seasonic Focus GX-750 White Seasonic Focus GX-750 White View detailed specs, charts, and comparison for this Power Supply.	Thermaltake Toughpower GF A3 … Thermaltake Toughpower GF A3 750W View detailed specs, charts, and comparison for this Power Supply.	Thermaltake GF1 (2024) Fully … Thermaltake GF1 (2024) Fully Modular ATX 750W View detailed specs, charts, and comparison for this Power Supply.	No image available be quiet! Pure Power 13 M 650W be quiet! Pure Power 13 M 650W View detailed specs, charts, and comparison for this Power Supply.	be quiet! Pure Power 12 M 650W be quiet! Pure Power 12 M 650W View detailed specs, charts, and comparison for this Power Supply.	be quiet! Pure Power 12 650W be quiet! Pure Power 12 650W View detailed specs, charts, and comparison for this Power Supply.	Thermaltake Toughpower GF A3 … Thermaltake Toughpower GF A3 650W View detailed specs, charts, and comparison for this Power Supply.
Perf Chart
Price	$211 Seasonic Focus SGX-750 Current Amazon Price Click to view this PSU on Amazon. 0.0% Seasonic Focus SGX-750 Price Change No significant price change detected.	$149❗ MSI MPG A750GF Price Not Available Last known price from Amazon. Currently unavailable. ↓ -99.5% MSI MPG A750GF Price Change Price decreased from the last update.	$90 Seasonic Focus GX-750 White Current Amazon Price Click to view this PSU on Amazon. 0.0% Seasonic Focus GX-750 White Price Change No significant price change detected.	$91❗ Thermaltake Toughpower GF A3 750W Price Not Available Last known price from Amazon. Currently unavailable. ↓ -3.1% Thermaltake Toughpower GF A3 750W Price Change Price decreased from the last update.	$90 Thermaltake GF1 (2024) Fully Modular ATX 750W Current Amazon Price Click to view this PSU on Amazon. 0.0% Thermaltake GF1 (2024) Fully Modular ATX 750W Price Change No significant price change detected.	$144❗ be quiet! Pure Power 13 M 650W Price Not Available Last known price from Amazon. Currently unavailable. ↑ 9.9% be quiet! Pure Power 13 M 650W Price Change Price increased from the last update.	$384 be quiet! Pure Power 12 M 650W Current Amazon Price Click to view this PSU on Amazon. ↓ -16.8% be quiet! Pure Power 12 M 650W Price Change Price decreased from the last update.	$102❗ be quiet! Pure Power 12 650W Price Not Available Last known price from Amazon. Currently unavailable. ↓ -28.2% be quiet! Pure Power 12 650W Price Change Price decreased from the last update.	$99❗ Thermaltake Toughpower GF A3 650W Price Not Available Last known price from Amazon. Currently unavailable. ↑ 25.3% Thermaltake Toughpower GF A3 650W Price Change Price increased from the last update.
Price per kW	281.3 USD/kW	198.7 USD/kW	120.0 USD/kW	120.7 USD/kW	120.0 USD/kW	222.0 USD/kW	590.8 USD/kW	156.6 USD/kW	152.3 USD/kW
Manufacturer	Seasonic	MSI	Seasonic	Thermaltake	Thermaltake	be quiet!	be quiet!	be quiet!	Thermaltake
Wattage	750 W	750 W	750 W	750 W	750 W	650 W	650 W	650 W	650 W
Ver. / FF	2.3 / SFX	2.3 / ATX	3.0 / ATX	3.0 / ATX	3.0 / ATX	3.1 / ATX	3.0 / ATX	3.1 / ATX	3.0 / ATX
Efficiency	Gold (90%)	Gold (90%)	Gold (90%)	Gold (90%)	Gold (90%)	Gold (94%)	Gold (92%)	Gold (92%)	Gold (90%)
12V Rails	1 / 62 A	2 / 25 A	1 / 62 A	1 / 62 A	1 / 62 A	1 / 54 A	2 / 32 A	1 / 54 A	1 / 51 A
12V/5V/3.3V	62 A / 20 A / 20 A	50 A / 22 A / 22 A	62 A / 20 A / 20 A	62 A / 20 A / 20 A	62 A / 20 A / 20 A	54 A / 20 A / 20 A	60 A / 20 A / 20 A	54 A / 20 A / 20 A	51 A / 20 A / 20 A
Fan Size	120 mm	140 mm	120 mm	120 mm	140 mm	120 mm	120 mm	120 mm	120 mm
Modular	✔️	✔️	✔️	✔️	✔️	✔️	✔️	❌	✔️
Fan Stop	✔️	❌	✔️	✔️	✔️	✔️	❌	❌	✔️
Fanless	❌	❌	❌	❌	❌	❌	❌	❌	❌
Dimensions	125 × 100 × 63.5 mm	160 x 150 x 86 mm	140 × 150 × 86 mm	150mm(W)x86mm(H)x140mm(D)	150mm(W)x86mm(H)x140mm(D)	160 x 150 x 86	160 x 150 x 86	160 x 86 x 150	150mm(W)x86mm(H)x140mm(D)
Warranty	10 years	10 years	10 years	10 years	10 years	10 years	10 years	10 years	10 years

Power Supply Specification Table

Power_Supply (Desc)	Wattage (Desc)	ATX Ver / FF / Modular	Efficiency	12V Rails / Amp	Output 12V/5V/3.3V	Warranty
Seasonic Focus SGX-750 Seasonic Focus SGX-750 View detailed specs, charts, and comparison for this Power Supply.	750 W	2.3 / SFX / True	Gold, 90%	1 / 62.00 A	62 A / 20 A / 20 A	10 years
MSI MPG A750GF MSI MPG A750GF View detailed specs, charts, and comparison for this Power Supply.	750 W	2.3 / ATX / True	Gold, 90%	2 / 25.00 A	50 A / 22 A / 22 A	10 years
Seasonic Focus GX-750 White Seasonic Focus GX-750 White View detailed specs, charts, and comparison for this Power Supply.	750 W	3.0 / ATX / True	Gold, 90%	1 / 62.00 A	62 A / 20 A / 20 A	10 years
Thermaltake Toughpower GF A3 750W Thermaltake Toughpower GF A3 750W View detailed specs, charts, and comparison for this Power Supply.	750 W	3.0 / ATX / True	Gold, 90%	1 / 62.00 A	62 A / 20 A / 20 A	10 years
Thermaltake GF1 (2024) Fully Modular AT… Thermaltake GF1 (2024) Fully Modular ATX 750W View detailed specs, charts, and comparison for this Power Supply.	750 W	3.0 / ATX / True	Gold, 90%	1 / 62.00 A	62 A / 20 A / 20 A	10 years
be quiet! Pure Power 13 M 650W be quiet! Pure Power 13 M 650W View detailed specs, charts, and comparison for this Power Supply.	650 W	3.1 / ATX / True	Gold, 94%	1 / 54.10 A	54 A / 20 A / 20 A	10 years
be quiet! Pure Power 12 M 650W be quiet! Pure Power 12 M 650W View detailed specs, charts, and comparison for this Power Supply.	650 W	3.0 / ATX / True	Gold, 92%	2 / 32.00 A	60 A / 20 A / 20 A	10 years
be quiet! Pure Power 12 650W be quiet! Pure Power 12 650W View detailed specs, charts, and comparison for this Power Supply.	650 W	3.1 / ATX / False	Gold, 92%	1 / 54.00 A	54 A / 20 A / 20 A	10 years
Thermaltake Toughpower GF A3 650W Thermaltake Toughpower GF A3 650W View detailed specs, charts, and comparison for this Power Supply.	650 W	3.0 / ATX / True	Gold, 90%	1 / 51.00 A	51 A / 20 A / 20 A	10 years