The Seasonic CORE GC-750 ATX 3.1 is a reliable 750 W fixed-cable power supply designed to meet the demands of modern PC building. ATX 3.1 and PCIe 5.1 compatibility ensures stable power delivery for this generation of graphics cards, and the compact 140 mm depth fits perfectly even in limited spaces. Fixed cabling makes installation straightforward and reduces excess cable management.

Quiet cooling with Smart & Silent Fan Control (S²FC)

80 PLUS Gold efficiency reduces wasted heat and optimizes power consumption, improving overall system cooling. Seasonic’s Smart & Silent Fan Control (S²FC) adjusts the fan speed based on load, providing near-silent operation under lighter loads and effective cooling during heavy use.

High efficiency and long-term reliability with 80 PLUS Gold certification

The CORE GC‑750 leverages Seasonic’s renowned design expertise and high-quality components. Extensive protection features and a high 100,000-hour MTBF value offer long-term stability and safety. It is a solid choice for gaming, workstation, and everyday use.

Features

• ATX 3.1 and PCIe 5.1 compatibility
• 80 PLUS Gold efficiency
• Smart & Silent Fan Control (S²FC)
• Compact 140 mm deep design
• Fixed cabling
• High reliability and long lifespan design

Technical specifications (ATX 3.1 / 80 PLUS Gold)

• Total power: 750 W
• AC input voltage: 100–240 V
• AC input frequency: 50/60 Hz
• Input current: 10–5 A
• Combined power (+3.3 V): 100 W
• Combined power (+12 V): 744 W
• Combined power (–12 V): 3.6 W
• Combined power (+5Vsb): 15 W
• Maximum output current (+3.3 V): 20 A
• Maximum output current (+12 V): 62 A
• Maximum output current (+5 V): 20 A
• Maximum output current (–12 V): 0.3 A
• Maximum output current (+5Vsb): 3 A
• Power supply protections: Overcurrent, Overpower, Undervoltage, Overvoltage, Short circuit
• Motherboard power connector: 24-pin ATX
• Peripheral (Molex) 4-pin connectors: 2
• Motherboard power cable length: 61 cm
• SATA connectors: 2
• PATA connectors: 2
• Cabling type: Fixed cables
• Purpose: PC
• Standard: ATX
• 80 PLUS certification: Gold
• ATX version: 3.1
• Mean time between failures (MTBF): 100,000 h
• Color: Black
• Cooling: Active
• Fan diameter: 120 mm
• Number of fans: 1
• On/off switch: Yes
• Operating temperature: 0–50 °C
• Included cables: AC, CPU, PCIe, Peripheral (Molex) to SATA 3.3, SATA
• Compliance: BSMI, CB, CCC, CE, EAC, REACH, RoHS, UKCA, WEEE, cTUVus
• Certifications: OCP, OPP, OTP, SCP, OVP, UVP, ErP Lot 6, Energy Star, REACH, RoHS, WEEE, etc.
• Sustainability certifications: ENERGY STAR
• Dimensions (L × W × H): 150 × 140 × 86 mm

Package contents

• Seasonic CORE GC-750 ATX 3.1 power supply
• AC power cord
• Processor (CPU) power cable
• PCIe cables
• Peripheral (Molex) to SATA 3.3 adapter cable
• SATA cables