SEASONIC CORE V2 GX-750

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SEASONIC CORE V2 GX-750 Review & Specifications

The SEASONIC CORE V2 GX-750 by SEASONIC is a power supply unit that provides 750 watts of power output. This unit follows the 3.1 standard and comes in a ATX 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 7-year warranty. Physical dimensions are 140 × 150 × 86 mm.

Power Supply Performance

The SEASONIC CORE V2 GX-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 7-year warranty reflects good long-term support.

This PSU delivers excellent value, with a competitive cost of only $133.3 per kilowatt. Despite its affordable pricing, it maintains respectable performance and efficiency, making it an ideal choice for budget-conscious PC builders who don't want to compromise on quality.

General Information

Manufacturer	SEASONIC
Power Supply Name	SEASONIC CORE V2 GX-750
Current Price Amazon	$100
Amazon Price Updated	1 day, 8 hours ago.
Power Supply Available	True

Specification

Power Output	750 W
ATX Version / Form Factor	3.1 / ATX
Certifications	80 PLUS®Gold
Efficiency Rating	Gold
Modular / Fanless	True / False
Fan Size / Fan Stop	120 mm / True
Dimensions	140 × 150 × 86 mm
Warranty	7 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	133.3 USD/kW

SEASONIC CORE V2 GX-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)
Thermaltake Toughpower SFX (ATX 3.0 Sta… Thermaltake Toughpower SFX (ATX 3.0 Standard) 850W Full Modular 80Plus Gold View detailed specs, charts, and comparison for this Power Supply.	$101 Thermaltake Toughpower SFX (ATX 3.0 Standard) 850W Full Mod… Price Not Available Last known price from Amazon. Currently unavailable. Click to view this PSU on Amazon. \| ↓ -6.6% Thermaltake Toughpower SFX (ATX 3.0 Standard) 850W Full Mod… Price Change Price decreased from the last update.	68.5%	67.8%	118.9 118.9
Corsair RM850e Corsair RM850e View detailed specs, charts, and comparison for this Power Supply.	$119 Corsair RM850e Current Amazon Price Click to view this PSU on Amazon. \| ↑ 8.2% Corsair RM850e Price Change Price increased from the last update.	68.5%	57.6%	140.0 140.0
Thermaltake Toughpower SFX 850W Full Mo… Thermaltake Toughpower SFX 850W Full Modular 80Plus Gold View detailed specs, charts, and comparison for this Power Supply.	$101 Thermaltake Toughpower SFX 850W Full Modular 80Plus Gold Price Not Available Last known price from Amazon. Currently unavailable. Click to view this PSU on Amazon. \| ↓ -6.6% Thermaltake Toughpower SFX 850W Full Modular 80Plus Gold Price Change Price decreased from the last update.	68.5%	67.8%	118.9 118.9
Thermaltake Toughpower SFX 750W 80Plus … Thermaltake Toughpower SFX 750W 80Plus Platinum ATX 3.1 View detailed specs, charts, and comparison for this Power Supply.	$160 Thermaltake Toughpower SFX 750W 80Plus Platinum ATX 3.1 Current Amazon Price Click to view this PSU on Amazon. \| 0.0% Thermaltake Toughpower SFX 750W 80Plus Platinum ATX 3.1 Price Change No significant price change detected.	67.2%	42.1%	213.1 213.1
Thermaltake Toughpower SFX (ATX 3.0 Sta… Thermaltake Toughpower SFX (ATX 3.0 Standard) 750W Full Modular 80Plus Gold View detailed specs, charts, and comparison for this Power Supply.	$89 Thermaltake Toughpower SFX (ATX 3.0 Standard) 750W Full Mod… Price Not Available Last known price from Amazon. Currently unavailable. Click to view this PSU on Amazon. \| ↑ 12.7% Thermaltake Toughpower SFX (ATX 3.0 Standard) 750W Full Mod… Price Change Price increased from the last update.	66.5%	74.7%	118.7 118.7
Corsair RM750e Corsair RM750e View detailed specs, charts, and comparison for this Power Supply.	$90 Corsair RM750e Current Amazon Price Click to view this PSU on Amazon. \| ↑ 1.2% Corsair RM750e Price Change Price increased from the last update.	66.5%	73.9%	120.0 120.0
SEASONIC CORE V2 GX-750 SEASONIC CORE V2 GX-750 View detailed specs, charts, and comparison for this Power Supply.	$100 SEASONIC CORE V2 GX-750 Current Amazon Price Click to view this PSU on Amazon. \| 0.0% SEASONIC CORE V2 GX-750 Price Change No significant price change detected.	66.5%	66.5%	133.3 133.3
Corsair RM650e Corsair RM650e View detailed specs, charts, and comparison for this Power Supply.	$105 Corsair RM650e Price Not Available Last known price from Amazon. Currently unavailable. Click to view this PSU on Amazon. \| ↑ 5.3% Corsair RM650e Price Change Price increased from the last update.	64.5%	61.4%	161.5 161.5
SEASONIC CORE V2 GX-650 SEASONIC CORE V2 GX-650 View detailed specs, charts, and comparison for this Power Supply.	$100 SEASONIC CORE V2 GX-650 Current Amazon Price Click to view this PSU on Amazon. \| 0.0% SEASONIC CORE V2 GX-650 Price Change No significant price change detected.	64.5%	64.5%	153.8 153.8

PSU Comparison and Detail Specifications Table

Specification	Thermaltake Toughpower SFX (A… Thermaltake Toughpower SFX (ATX 3.0 Standard) 850W Full Modular 80Plus Gold View detailed specs, charts, and comparison for this Power Supply.	Corsair RM850e Corsair RM850e View detailed specs, charts, and comparison for this Power Supply.	Thermaltake Toughpower SFX 85… Thermaltake Toughpower SFX 850W Full Modular 80Plus Gold View detailed specs, charts, and comparison for this Power Supply.	Thermaltake Toughpower SFX 75… Thermaltake Toughpower SFX 750W 80Plus Platinum ATX 3.1 View detailed specs, charts, and comparison for this Power Supply.	Thermaltake Toughpower SFX (A… Thermaltake Toughpower SFX (ATX 3.0 Standard) 750W Full Modular 80Plus Gold View detailed specs, charts, and comparison for this Power Supply.	Corsair RM750e Corsair RM750e View detailed specs, charts, and comparison for this Power Supply.	SEASONIC CORE V2 GX-750 SEASONIC CORE V2 GX-750 View detailed specs, charts, and comparison for this Power Supply.	Corsair RM650e Corsair RM650e View detailed specs, charts, and comparison for this Power Supply.	SEASONIC CORE V2 GX-650 SEASONIC CORE V2 GX-650 View detailed specs, charts, and comparison for this Power Supply.
Perf Chart
Price	$101❗ Thermaltake Toughpower SFX (ATX 3.0 Standard) 850W Full Mod… Price Not Available Last known price from Amazon. Currently unavailable. ↓ -6.6% Thermaltake Toughpower SFX (ATX 3.0 Standard) 850W Full Mod… Price Change Price decreased from the last update.	$119 Corsair RM850e Current Amazon Price Click to view this PSU on Amazon. ↑ 8.2% Corsair RM850e Price Change Price increased from the last update.	$101❗ Thermaltake Toughpower SFX 850W Full Modular 80Plus Gold Price Not Available Last known price from Amazon. Currently unavailable. ↓ -6.6% Thermaltake Toughpower SFX 850W Full Modular 80Plus Gold Price Change Price decreased from the last update.	$160 Thermaltake Toughpower SFX 750W 80Plus Platinum ATX 3.1 Current Amazon Price Click to view this PSU on Amazon. 0.0% Thermaltake Toughpower SFX 750W 80Plus Platinum ATX 3.1 Price Change No significant price change detected.	$89❗ Thermaltake Toughpower SFX (ATX 3.0 Standard) 750W Full Mod… Price Not Available Last known price from Amazon. Currently unavailable. ↑ 12.7% Thermaltake Toughpower SFX (ATX 3.0 Standard) 750W Full Mod… Price Change Price increased from the last update.	$90 Corsair RM750e Current Amazon Price Click to view this PSU on Amazon. ↑ 1.2% Corsair RM750e Price Change Price increased from the last update.	$100 SEASONIC CORE V2 GX-750 Current Amazon Price Click to view this PSU on Amazon. 0.0% SEASONIC CORE V2 GX-750 Price Change No significant price change detected.	$105❗ Corsair RM650e Price Not Available Last known price from Amazon. Currently unavailable. ↑ 5.3% Corsair RM650e Price Change Price increased from the last update.	$100 SEASONIC CORE V2 GX-650 Current Amazon Price Click to view this PSU on Amazon. 0.0% SEASONIC CORE V2 GX-650 Price Change No significant price change detected.
Price per kW	118.9 USD/kW	140.0 USD/kW	118.9 USD/kW	213.1 USD/kW	118.7 USD/kW	120.0 USD/kW	133.3 USD/kW	161.5 USD/kW	153.8 USD/kW
Manufacturer	Thermaltake	Corsair	Thermaltake	Thermaltake	Thermaltake	Corsair	SEASONIC	Corsair	SEASONIC
Wattage	850 W	850 W	850 W	750 W	750 W	750 W	750 W	650 W	650 W
Ver. / FF	3.0 / SFX	3.1 / ATX	3.0 / SFX	3.1 / SFX	3.0 / SFX	3.1 / ATX	3.1 / ATX	3.1 / ATX	3.1 / ATX
Efficiency	Gold (90%)	Gold (90%)	Gold (90%)	Platinum (92%)	Gold (90%)	Gold (90%)	Gold (90%)	Gold (90%)	Gold (90%)
12V Rails	1 / 71 A	1 / 71 A	1 / 71 A	1 / 62 A	1 / 62 A	1 / 62 A	1 / 62 A	1 / 54 A	1 / 54 A
12V/5V/3.3V	71 A / 22 A / 22 A	71 A / 20 A / 20 A	71 A / 20 A / 20 A	62 A / 18 A / 18 A	62 A / 22 A / 22 A	62 A / 20 A / 20 A	62 A / 20 A / 20 A	54 A / 20 A / 20 A	54 A / 20 A / 20 A
Fan Size	92 mm	140 mm	92 mm	90 mm	92 mm	140 mm	120 mm	140 mm	120 mm
Modular	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
Fan Stop	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
Fanless	❌	❌	❌	❌	❌	❌	❌	❌	❌
Dimensions	125mm(W)x63.5mm(H)x100mm(D)	140x150x86	125mm(W)x63.5mm(H)x100mm(D)	125mm(W)x63.5mm(H)x103.8mm(D)	125mm(W)x63.5mm(H)x100mm(D)	140x150x86	140 × 150 × 86 mm	140x150x86	140 × 150 × 86 mm
Warranty	7 years	7 years	7 years	7 years	7 years	7 years	7 years	7 years	7 years

Power Supply Specification Table

Power_Supply (Desc)	Wattage (Desc)	ATX Ver / FF / Modular	Efficiency	12V Rails / Amp	Output 12V/5V/3.3V	Warranty
Thermaltake Toughpower SFX (ATX 3.0 Sta… Thermaltake Toughpower SFX (ATX 3.0 Standard) 850W Full Modular 80Plus Gold View detailed specs, charts, and comparison for this Power Supply.	850 W	3.0 / SFX / True	Gold, 90%	1 / 71.00 A	71 A / 22 A / 22 A	7 years
Corsair RM850e Corsair RM850e View detailed specs, charts, and comparison for this Power Supply.	850 W	3.1 / ATX / True	Gold, 90%	1 / 71.00 A	71 A / 20 A / 20 A	7 years
Thermaltake Toughpower SFX 850W Full Mo… Thermaltake Toughpower SFX 850W Full Modular 80Plus Gold View detailed specs, charts, and comparison for this Power Supply.	850 W	3.0 / SFX / True	Gold, 90%	1 / 71.00 A	71 A / 20 A / 20 A	7 years
Thermaltake Toughpower SFX 750W 80Plus … Thermaltake Toughpower SFX 750W 80Plus Platinum ATX 3.1 View detailed specs, charts, and comparison for this Power Supply.	750 W	3.1 / SFX / True	Platinum, 92%	1 / 62.00 A	62 A / 18 A / 18 A	7 years
Thermaltake Toughpower SFX (ATX 3.0 Sta… Thermaltake Toughpower SFX (ATX 3.0 Standard) 750W Full Modular 80Plus Gold View detailed specs, charts, and comparison for this Power Supply.	750 W	3.0 / SFX / True	Gold, 90%	1 / 62.00 A	62 A / 22 A / 22 A	7 years
Corsair RM750e Corsair RM750e View detailed specs, charts, and comparison for this Power Supply.	750 W	3.1 / ATX / True	Gold, 90%	1 / 62.00 A	62 A / 20 A / 20 A	7 years
SEASONIC CORE V2 GX-750 SEASONIC CORE V2 GX-750 View detailed specs, charts, and comparison for this Power Supply.	750 W	3.1 / ATX / True	Gold, 90%	1 / 62.00 A	62 A / 20 A / 20 A	7 years
Corsair RM650e Corsair RM650e View detailed specs, charts, and comparison for this Power Supply.	650 W	3.1 / ATX / True	Gold, 90%	1 / 54.00 A	54 A / 20 A / 20 A	7 years
SEASONIC CORE V2 GX-650 SEASONIC CORE V2 GX-650 View detailed specs, charts, and comparison for this Power Supply.	650 W	3.1 / ATX / True	Gold, 90%	1 / 54.00 A	54 A / 20 A / 20 A	7 years