Seasonic Focus GX-750



Sea Sonic Electronics Co., Ltd was founded in 1975 with its headquarters in Taipei, Taiwan, it is a company specialized in the manufacturing of power supplies for the consumer & industrial markets. In 1981 the company starts the production of power supplies for PC type of systems, being one of the first manufacturers to do so.
SeaSonic manufactures and sells power supplies under its own brand and is also the OEM manufacturer for many other power supplies companies. This makes Seasonic one of the well-known and respected brands in the industry.


Official product link:


Packaging and accessories

The FOCUS GX-750 is delivered in a rectangular cardboard box. The design of the packaging follows the same style as the rest of the Focus product series. The front side of the box has a black triangular shape in the middle, with the outer sides using a sunburst gold effect. At the center the Focus emblem is printed alongside the model of the power supply and its total wattage.


The sides of the packaging present the complete technical specifications of the power supply. On this side, a list is printed which presents the number of connectors and the length of each cable of the power supply.


The back side of the box has an in-depth description of the Seasonic Hybrid Silent fan control, and a brief description of each of the main features.


The power supply and all of the accessories are well protected by the packaging. The power supply is covered by a textile bag with soft foam pads are placed on the top and bottom sides, creating a two-piece protective shell. The cables are sealed inside individual plastic bags, with the same type of textile bag covering them.



The product comes with the following accessories:
– 1x Manual;
– 1x Quick installation guide;
– 1x Velour bag;
– 3x Velcro cable straps;
– 1x 24Pin pin bridge adapter;
– 4x Metallic screws;
– 12x Zip ties.



Model: FOCUS GX-750
Max. DC Output: 750W
Efficiency: 80PLUS® Gold
Modular: Full Modular
Form Factor: Intel ATX 12 V
Operating temperature: 0°C – 50°C
Fan Size: 120 mm
Fan bearing:Fluid Dynamic Bearing
Fan Control: S3FC – Fan-less until 30 % load
Life Expectancy of fan: 50,000 hours at 40 °C, 15 % – 65 % RH
– Over Power Protection
– Over Voltage Protection
– Under Voltage Protection
– Over Current Protection
– Over Temperature Protection
– Short Circuit Protection
Connectors and cables:
– 1x 24 pin ATX connector (610mm)
– 2x CPU (8/4 pins) (650mm)
– 2x PCIe (6/2 pins) (750mm)
– 8x SATA (810mm)
– 3x 4 pin Molex (450mm)
– 1x FDD (+100mm)
Dimensions: 140 mm (L) x 150 mm (W) x 86 mm (H)
Weight: 1.8 kg
MTBF @ 25 °C, excl. fan: 100,000 hours
Compliance: Energy Star, RoHS, WEEE, ErP Lot 6, REACH\
Warranty: 10 years


– 80 PLUS® Gold certified;
– Compact Size – 140 mm deep;
– Tight Voltage Regulation;
– Cable-free Connection Design;
– S3FC – Fanless until 30 % load;
– Multi-GPU setup;
– Gold plated connectors;
– 10 years warranty.

2 thoughts on “Seasonic Focus GX-750

  • September 5, 2020 at 11:54 pm

    Hold-up time FOR Seasonic Focus GX-750 ??

    • September 6, 2020 at 11:12 pm

      Unfortunately, at the moment, I cannot measure Hold-up time.


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