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-2×6 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-2×6 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
Manufacturer Part Number:
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 Form Factor:
ATX/EPS
ATX Standard:
ATX 3.1
PCIe Standard:
PCIe 5.1
Cabling:
Fully Modular
Cable Type:
Individual white cables with braided pattern
12V-2×6 Support:
Native 12V-2×6 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-2×6 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-2×6 connectivity
Up to 600W GPU power delivery through 12V-2×6
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