Seasonic CORE GX ATX 3.1 (SRP-CGX751-A5A32SF-W) 750W PSU, 120mm Fan, 80 PLUS Gold, Fully Modular, Individual White Cables with Braided Pattern, 7 Years Warranty - WHITE

The Seasonic CORE GX 750W White is a fully modular ATX 3.1 power supply designed for modern gaming PCs, workstations and performance systems. With 80 PLUS Gold certification, PCIe 5.1 support and a native 12V-2x6 connection supporting up to 600W power delivery to compatible graphics cards, it provides efficient and future-ready power delivery. Seasonic's OptiSink thermal design improves heat dissipation and internal airflow, while the 120mm Hydro Dynamic Bearing fan with Smart and Silent Fan Control provides reliable cooling with low operating noise. Its compact 140mm chassis and individual white braided-pattern modular cables make it ideal for clean, modern PC builds.

Key Features

• 80 PLUS Gold certified with 90% efficiency at 50% system load.
• Fully compliant with ATX 3.1 and PCIe 5.1 standards.
• Native 12V-2x6 connection supporting up to 600W power delivery to compatible graphics cards.
• Support for legacy GPUs through conventional PCIe 6+2-pin connectivity.
• Fully modular cable design for cleaner installation and improved airflow.
• Individual white cables with braided pattern.
• Seasonic OptiSink thermal design for improved heat dissipation and component cooling.
• 120mm Hydro Dynamic Bearing fan.
• Smart and Silent Fan Control automatically optimises fan operation according to thermal demand.
• Compact 140mm PSU depth for broad case compatibility.
• Comprehensive electrical protection including OCP, OPP, OTP, OVP, SCP and UVP.
• 7-year worldwide manufacturer's warranty.

Full Specification

Model

CORE GX 750W White ATX 3.1

SRP-CGX751-A5A32SF-W

Output Power

750W continuous power

Efficiency

80 PLUS Gold

90% efficiency at 50% system load

Voltage Rails

Single +12V rail

+12V Output

62A / 744W

ATX 3.1

PCIe Standard

PCIe 5.1

Cabling

Fully Modular

Cable Type

Individual white cables with braided pattern

12V-2x6 Support

Native 12V-2x6 connection with support for up to 600W power delivery

Connectors

• 1 x 20+4-pin ATX motherboard connector
• 2 x 4+4-pin CPU/EPS connectors
• 1 x 12V-2x6 12+4-pin connector
• 2 x 6+2-pin PCIe connectors
• 6 x SATA connectors
• 3 x 4-pin Molex connectors

Fan

120mm Hydro Dynamic Bearing fan

Fan Bearing

Hydro Dynamic Bearing (HDB)

Fan Speed Control

Smart and Silent Fan Control (S²FC)

Fan Life Expectancy

25,000 hours at 40°C and 15%-65% relative humidity

Power Input

100-240V AC, 50/60Hz

Operating Temperature

0-50°C

Output derates linearly from 100% to 80% between 40°C and 50°C

MTBF

100,000 hours at 25°C, excluding fan

Power Output

DC outputs: +12V, +5V, +3.3V, -12V and +5VSB

Protection

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

Cable Set

Fully modular individual white cables with braided pattern

Special Features

• Seasonic OptiSink thermal design
• Native PCIe 5.1 12V-2x6 connectivity
• Up to 600W GPU power delivery through 12V-2x6
• Legacy PCIe GPU support
• Fully modular white braided-pattern cables
• Compact 140mm chassis
• Smart and Silent Fan Control
• Hydro Dynamic Bearing fan

Warranty

7-year worldwide manufacturer's warranty

Dimensions without cable (L x W x H), (mm)

140 x 150 x 86