SeaSonic CORE GX 750W 80+ Gold Full Modular PCIe 5.1 ATX 3.1

The SeaSonic CORE GX 750W 80+ Gold Full Modular PCIe 5.1 ATX 3.1 is a premium high-efficiency power supply designed for modern gaming systems, high-performance workstations, and enthusiast PC builds. Combining SeaSonic’s trusted engineering with ATX 3.1 and PCIe 5.1 support, the SeaSonic CORE GX 750W 80+ Gold Full Modular PCIe 5.1 ATX 3.1 delivers reliable power, exceptional efficiency, and future-ready compatibility for next-generation hardware.

Built to handle demanding GPUs and modern processors, the SeaSonic CORE GX 750W 80+ Gold Full Modular PCIe 5.1 ATX 3.1 provides 750W of continuous power with a strong +12V rail delivering up to 744W. The included native 12V-2×6 connector ensures full compatibility with modern high-performance graphics cards while meeting the latest PCIe 5.1 and ATX 3.1 power delivery standards.

Efficiency is one of the strongest features of the SeaSonic CORE GX 750W 80+ Gold Full Modular PCIe 5.1 ATX 3.1. It carries 80 PLUS® Gold certification while also achieving a Cybenetics Platinum efficiency rating, helping reduce energy waste, lower operating temperatures, and improve overall system stability. This makes the PSU an excellent option for gamers, streamers, content creators, and professional users who run demanding workloads for extended periods.

The SeaSonic CORE GX 750W 80+ Gold Full Modular PCIe 5.1 ATX 3.1 also focuses heavily on quiet operation. It features a 120mm fan with Smart and Silent Fan Control technology and a Hydro Dynamic Bearing design that provides efficient cooling with reduced noise levels. With a Cybenetics A- noise rating, the power supply maintains quiet performance while keeping internal components properly cooled.

Its fully modular cable design allows users to install only the cables they need, helping improve airflow, reduce cable clutter, and simplify cable management inside the case. The individually braided black cables also contribute to a cleaner and more premium system appearance.

Backed by advanced protection technologies and a 7-year warranty, the SeaSonic CORE GX 750W 80+ Gold Full Modular PCIe 5.1 ATX 3.1 offers dependable long-term performance for modern and future gaming systems.

Why Choose SeaSonic CORE GX 750W 80+ Gold Full Modular PCIe 5.1 ATX 3.1

The SeaSonic CORE GX 750W 80+ Gold Full Modular PCIe 5.1 ATX 3.1 is an ideal PSU for users who want high efficiency, clean cable management, quiet operation, and future-ready compatibility in a premium power supply solution.

One of the biggest advantages of the SeaSonic CORE GX 750W 80+ Gold Full Modular PCIe 5.1 ATX 3.1 is its support for the latest ATX 3.1 and PCIe 5.1 standards. The included native 12V-2×6 connector allows the PSU to directly support modern graphics cards without relying on bulky adapters, ensuring stable power delivery for high-end gaming systems.

The fully modular cable design is another major benefit of the SeaSonic CORE GX 750W 80+ Gold Full Modular PCIe 5.1 ATX 3.1. Users can install only the required cables, improving airflow inside the case while creating a cleaner and more organized build. The individually braided black cables also enhance the overall aesthetics of the system.

Efficiency and acoustic performance are also standout features. With 80 PLUS® Gold certification and a Cybenetics Platinum efficiency rating, the PSU minimizes wasted energy and heat generation. The Smart and Silent Fan Control system combined with the Hydro Dynamic Bearing fan keeps operation quiet while maintaining reliable cooling performance.

The SeaSonic CORE GX 750W 80+ Gold Full Modular PCIe 5.1 ATX 3.1 also includes comprehensive protection technologies such as OCP, OPP, OTP, SCP, OVP, and UVP to safeguard valuable PC components from electrical issues and unstable power conditions.

With premium build quality, excellent efficiency, quiet operation, full modularity, and long-term reliability backed by a 7-year warranty, the SeaSonic CORE GX 750W 80+ Gold Full Modular PCIe 5.1 ATX 3.1 is an outstanding choice for modern gaming and productivity PCs.

Specifications

Model

• SeaSonic CORE GX 750W 80+ Gold Full Modular PCIe 5.1 ATX 3.1

Efficiency Certifications

• 80 PLUS® Gold
• Cybenetics Platinum Efficiency
• Cybenetics A- Noise Rating

Form Factor

• ATX / EPS

Dimensions

• 140 × 150 × 86 mm

Cooling

• 120mm Fan
• Smart and Silent Fan Control
• Hydro Dynamic Bearing
• Fan Lifespan: 25,000 Hours

Cable Design

• Fully Modular
• Individually Braided Black Cables

Power Output

• Total Continuous Power: 750W
• +12V Rail Output: 744W
• +3.3V Rail: 20A
• +5V Rail: 20A
• -12V Rail: 0.3A
• +5VSB Rail: 3A

Input Voltage

• 100V – 240V
• 50Hz – 60Hz
• 10 – 5A

Operating Temperature

• 0°C – 50°C

MTBF

• 100,000 Hours @ 25°C

Protections

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

Motherboard Connector

• 1 × 24/20-pin Connector
• Cable Length: 750mm

CPU Connectors

• 2 × CPU 8/4-pin Connectors
• Cable Length: 700mm

Graphics Card Connectors

• 1 × 12V-2×6 (12+4 Pin to 12+4 Pin)
• 2 × PCIe 8/6-pin Connectors

Storage Connectors

• SATA Connectors
• Molex Connectors

Safety & Certifications

• BSMI
• C-tick
• CB
• CCC
• CE
• cTUVus
• EAC
• FCC
• TUV
• UKCA
• Energy Star
• RoHS
• REACH
• WEEE
• ErP Lot 6

Warranty

• 7 Years