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Seasonic Focus GX-750 ATX 3.0 PSU Impressions: Solid Design That Focuses At Mainstream PCs
Seasonic Focus GX-750 ATX 3.0 PSU Impressions: Solid Design That Focuses At Mainstream PCs-February 2024
Feb 13, 2026 6:47 AM

Product Info

Seasonic Focus GX-750 ATX 3.0

September 2023

Type

PSU

Price

$154.99 US

The ATX 3.0 PSU standard has been here since last year and while PCI-SIG has released the new ATX 3.1 specifications, the good thing is that they will be compatible with the existing designs. As such, we thought about giving you a tour of the brand-new Seasonic Focus GX ATX 3.0 PSU series that comes with a solid design and is designed for the PC masses.

Seasonic Focus GX-750 80 Plus Gold PSU Specifications

The Seasonic Focus GX ATX 3.0 series power supplies were unveiled during Computex 2023 and are now available worldwide. Continuing on the tradition of the GX series, these PSUs aim to deliver the best value for money with designs that are top quality. The GX series PSU lineup ranges from 750W and up to 1000W, featuring enough power for the most demanding graphics card and CPUs out in the market.

Seasonic Focus GX-750 ATX 3.0 PSU Impressions: Solid Design That Focuses At Mainstream PCs 2

Coming to the specifications, the Seasonic Focus GX-750 80 Plus Gold PSU offers a maximum DC output of 750 Watts. The PSU is fully compliant with Intel's C6 & C7 power states and has an operating temp of 0-50C with a life expectancy of 50,000 hours at 40C. The PSU is certified with a Cybenetics efficiency level of Gold and a Lambda-A noise-level certification.

Some protection features that you get on the Seasonic Focus GX-Series ATX 3.0 series PSUs include:

Over Current Protection (OCP)Over Voltage Protection (OVP)Under Voltage Protection (UVP)Over Power Protection (OPP)Short Circuit Protection (SCP)Over Temperature Protection (OTP)

Technical Specifications
80PLUS Gold
Cybenetics Efficiency Level Gold (See report)
Cybenetics Noise Level Lambda A- (See report)
Form Factor Intel ATX 12 V
Dimensions 140 mm (L) x 150 mm (W) x 86 mm (H)
Fan Information Fan Size 135 mm
Fan Control S3FC - Fanless until 30 % load
Fan Bearing Fluid Dynamic Bearing
Life Expectancy 50,000 hours at 40 °C, 15 % - 65 % RH
Cable Information Modularity Fully Modular
Cable type Individual Black Cables with a Braided Pattern
Electrical Features Operating Temperature 0 - 50 °C
MTBF @ 25 °C, excl. fan 100,000 hours
AC Input Full Range
Protection OPP, OVP, UVP, OCP, OTP, SCP
Safety and Environmental Safety and EMC cTUVus, TUV, CB, CCC, BSMI, EAC, CE
Environmental Compliance Energy Star, RoHS, WEEE, ErP Lot 6, REACH
Warranty 10 Years
Power Output
AC Input Voltage: 100 V - 240 V
Current: 13 - 6.5 A
Frequency: 50 Hz - 60 Hz
DC Output Rail +3.3 V +5 V +12 V -12 V +5 VSB
Maximum Power 25 A 25 A 83 A 0.3 A 3 A
125 W 996 W 3.6 W 15 W
Total continuous power 1000 W

The cooling is provided by a top-mounted semi-fanless FDB 135mm fan. The fan itself is a non-PWM and fluid dynamic bearing design. Seasonic ships the Focus GX-750 ATX 3.0 PSU with a 10-year warranty and is currently listed for a price of $154.99 US.

Some main features of the Seasonic Focus GX series include:

ATX 12 VATX 3.0 and PCIe 5.0Full Modular80 PLUSGold Certified10 Years WarrantyDimensions: 140 mm (L) x 150 mm (W) x 86 mm (H)

Seasonic Focus GX-750 80 Plus Gold PSU Unboxing & Close-Up

The Seasonic Focus GX-750 ATX 3.0 PSU comes in a large yellow and black colored package with a list of features on the front along with "10 Years Warranty" and "80-Plus Gold" labels.

Seasonic Focus GX-750 ATX 3.0 PSU Impressions: Solid Design That Focuses At Mainstream PCs 3

The back side also offers a list of features which we have detailed above. The primary focus in on highlighting the efficiency of this PSU.

Seasonic Focus GX-750 ATX 3.0 PSU Impressions: Solid Design That Focuses At Mainstream PCs 4

Opening the package reveals the PSU itself, along with a pouch that includes all the cables connectors, and manuals.

Seasonic Focus GX-750 ATX 3.0 PSU Impressions: Solid Design That Focuses At Mainstream PCs 5

The PSU itself is packaged inside a cloth which is secured between two pieces of foam.

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This is a 140mm chassis which makes it really small and easier to manage within crammed-up PC cases. The exact dimensions of the PSU are 140x150x86mm.

Seasonic Focus GX-750 ATX 3.0 PSU Impressions: Solid Design That Focuses At Mainstream PCs 6

Keeping the design simple, we get the power-in plug and the power on/off switch at the back. The large exhaust vents are also here to push hot air out of the PSU chassis.

Seasonic Focus GX-750 ATX 3.0 PSU Impressions: Solid Design That Focuses At Mainstream PCs 7

Now depending on how you use the PSU, the bottom panel reads the specifications and power ratings. The PSU is rated to output a maximum of 70.8A and 850W through the 12V rails.

Seasonic Focus GX-750 ATX 3.0 PSU Impressions: Solid Design That Focuses At Mainstream PCs 11

The sides of the PSU have the XPG Core Reactor II labels.

Seasonic Focus GX-750 ATX 3.0 PSU Impressions: Solid Design That Focuses At Mainstream PCs 10

Coming to the connectors, there are 1 PCIe 12+4 (12VHPWR), four PCI-e 6+2-pin connectors, an ATX 24-pin (14+10 pin) connector, and four 6-pin peripheral connectors.

Seasonic Focus GX-750 ATX 3.0 PSU Impressions: Solid Design That Focuses At Mainstream PCs 9

The cables within the packaging pouch include the ATX 20+4 pin, a Gen5 connector, two CPU 8-pin connectors, 3 single-connector PCIe cables, two standard and a single SATA 3.3V cable with 4 & 2 connectors (respectively) & a single Molex cable with 3 connectors. The PCIe gen 5 cable is 750mm and should be enough to reach the GPU without bending too much.

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Cable type Connector(s) per cable Total Length (mm) Number(s) of cable(s) included
MB (24/20 pins) 1 610 1
CPU (8/4 pins) 1 700 2
PCIe (8/6 pins) 2 750 0
PCIe (8/6 pins) 1 750 3
SATA 4 950 2
SATA 4 860 0
SATA 4 760 0
SATA 3.3 V 2 550 1
SATA 2 570 0
SATA 2 470 0
SATA 2 450 0
Molex 3 690 1
Molex 2 470 0
12VHPWR 1 (12+4 Pins to 12+4 Pins) 750 1

Lastly, we have the 135mm fan which has various profiles. These include Fanless mode, Silent mode, and Cooling mode which have specifically been optimized and tuned by Seasonic.

Seasonic Focus GX-750 ATX 3.0 PSU Impressions: Solid Design That Focuses At Mainstream PCs 8

Impressions

The Seasonic Focus GX line of PSUs is now available in the latest ATX 3.0 standard which means that they are perfect for new PC builders, plus they are also backed by a 10-year warranty. These newer PSUs are also delivering top-notch quality which the Focus series excels within. Seasonic's multiple fan-modes and 80 Plus Gold rating ensure that your PC components get stable power. A $150 US price is also perfectly matched for this specific 750W unit which will run any high-end GPU and modern-day CPU with ease.

Products mentioned in this post

Seasonic Focus GX-750

USD 107

Buy for $154.99 US from click

The links above are affiliate links. As an Amazon Associate, Wccftech.com may earn from qualifying purchases.

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