Seasonic CORE GC ATX 3.1 CORE GC-750 ATX 3.1

Name: Seasonic CORE GC ATX 3.1 CORE GC-750 ATX 3.1
Brand: Seasonic

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Overclockers.co.uk →	£74.99	Box.co.uk →	£75.84
Tradeinn.com →	£76.99	Scan.co.uk →	£79.99
Awd-it.co.uk →	£79.99	Pcnova.co.uk →	£82.81
Backtotheoffice.co.uk →	£85.99	Quzo.co.uk →	£96.92

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Seasonic CORE GC ATX 3.1 CORE GC-750 ATX 3.1

from £74.99 up to £96.92

Head

Seasonic CORE GC ATX 3.1 CORE GC-750 ATX 3.1

2026 CORE 80+ Gold 5 year warranty

750 W850 W

Main
Power	750 W
Form factor	ATX


Specs
PFC	active
Cooling system	active
Fan size	120 mm
Fan bearing	hydrodynamic
Certification	80+ Gold
ATX12V version	3.1


Power connectors
MB/CPU power supply	24+8+8(4+4) pin
SATA	2
MOLEX	1
PCIe 8pin (6+2)	2
PCIe 16pin	1 pcs
Cable system	non-modular
Braided wires


Cable length
MB	550 mm
CPU	600 mm
PCIe	550 mm

Max. power
+3.3V	20 А
+5V	20 А
+12V1	62 А
-12V	0.3 А
+5Vsb	2.5 А
+12V	744 W
+3.3V +5V	100 W
-12V	3.6 W
+5Vsb	12.5 W


General
Over voltage protection (OVP)
Over power protection (OPP)
Short circuit protection (SCP)
Protection	OCP, OTP, UVP
Manufacturer's warranty	5 years
Dimensions (HxWxD)	86x150x140 mm
Official Website	seasonic.com
Added to E-Catalog	June 2026

E-Catalog UK editor, PSUs

Valerii Lenko, edited 01.06.2026

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.

How to choose a power supply for a PCBasics of choosing a reliable and balanced power supply for your home, office and gaming computer

Buy Seasonic CORE GC ATX 3.1 CORE GC-750 ATX 3.1

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	Seasonic Seasonic Core GC 750W ATX 3.1 PCIe 5.1 80 Plus Gold Power Supply SRP-CGC751-A5A32SF The Seasonic CORE GC Series delivers reliable performance and modern ATX 3.1 compliance at an essential value. Designed for e... moreveryday builders and gamers, it embodies Seasonic’s trusted quality in a compact 140 mm design with a durable scratch-resistant finish. With 80 PLUS® Gold efficiency, Smart and Silent Fan Control (S2FC), and a 120 mm HDB fan, it ensures cool, quiet, and stable operation. The CORE GC-750 and CORE GC-850 include a 12V-2×6 PCIe Gen 5.1 cable, ready for the latest GPUs, while the CORE GC-650 meets all ATX 3.1 requirements with traditional connectors. Built on decades of engineering excellence, the CORE GC Series delivers the quiet efficiency, reliability, and durability that define every Seasonic power supply. Optimized for PCIe 5.1 GPUs The CORE GC ATX 3.1 power supply features a native 12V-2x6 cable designed for the latest PCIe 5.1 graphics cards. With support for up to 600 W of power delivery, this cable ensures safe and stable performance for NVIDIA RTX 40 and 50 Series and future high-end GPUs. Enjoy a clean, efficient setup that’s fully compliant with ATX 3.1 and PCIe 5.1 standards. Full Support for Legacy GPUs To ensure compatibility with older GPUs, the CORE GC ATX 3.1 includes a 2× 8-pin PCIe cable. It delivers reliable power up and works seamlessly with graphics cards from previous generations. This cable makes it easy to upgrade your PSU without changing your GPU—perfect for users who want next-gen power with legacy support. S2FC - Intelligent Fan Control Technology The Smart and Silent Fan Control (S2FC) system intelligently regulates the power supply’s fan speed to achieve the ideal balance between cooling efficiency and silent operation. By dynamically adjusting the fan curve according to temperature, it ensures that your system remains quiet during low-to-medium usage and effectively cooled when performance demands increase. Overclockers.co.uk Delivery: to United Kingdom Report	£74.99 Buy in shop

	Seasonic Core GC-750 750W ATX 80 Plus Gold PSU Power Supply - Black SRP-CGC751-A5A32SF Upgrade your rig with the Seasonic Core GC-750, a 750W, 80+ Gold, Fully Modular ATX PSU, SRP-CGC751-A5A32SF. Enjoy reliable p... moreerformance and efficiency. Fast UK delivery at Box. Box.co.uk Delivery: to United Kingdom Report	£75.84 Buy in shop

	Seasonic 904312313 EU PlugSEASONIC Core GC-750 750W ATX Gold Power Supply Power your high-performance PC build with the legendary reliability an... mored efficiency of the SEASONIC Core GC-750.As a cornerstone of the PC power supply market, Seasonic delivers exceptional quality with the Core GC series, designed for builders who demand superior performance, stability, and long-term value.This 750 W ATX unit provides the robust power your demanding components need, all while maintaining remarkable efficiency.The Core GC-750 is the perfect choice for gamers, content creators, and enthusiasts seeking a no-compromise power solution.Its non-modular design ensures a straightforward installation process with all essential cables fixed and ready to go, making it an excellent option for first-time builders and those who prefer simplicity and maximum reliability.Key Benefits:* Exceptional Energy Efficiency:With its 80 PLUS® Gold certification, this power supply achieves up to 90% efficiency at 50% load.This means less energy is wasted as heat, leading to lower electricity bills, a cooler-running system, and a reduced environmental footprint.* Rock-Solid System Stability:Featuring Seasonic´s tight voltage regulation and a sophisticated DC-to-DC converter design, the Core GC-750 delivers precise and stable power to your CPU, GPU, and other sensitive components.This ensures maximum system stability, especially during intense gaming sessions or heavy workloads, and promotes component longevity.* Whisper-Quiet Operation:Equipped with a 120 mm sleeve bearing fan governed by Seasonic´s Smart and Silent Fan Control (S2FC), the PSU remains incredibly quiet under typical loads.The fan intelligently ramps up its speed only when necessary, providing the perfect balance between silent operation and effective cooling.* Built for Longevity:Constructed with high-quality components and backed by a comprehensive suite of protection features, the Core GC-750 is built to last.The confidence in its durability is underscored by an extensive 7-year manufacturer warranty, giving you complete peace of mind.* Simplified Building Experience:The fixed, non-modular cable design provides all the necessary connectors for a modern gaming or workstation PC out of the box.This classic approach guarantees excellent electrical performance and simplifies the build process.Main Features:* 80 PLUS® Gold Certified for high efficiency * DC to DC Converter Design for superior voltage stability * Tight Voltage Regulation (+/- 3%) * S2FC - Smart and Silent Fan Control * High-Performance 120 mm Sleeve Bearing Fan * Fixed Cables in a classic Non-modular layout * Full Suite of Industrial-Grade Safety Protections * Compact ATX form factor for wide case compatibility Technical Specifications:* Model:SEASONIC Core GC-750 / SRP-CGC751-A5A32SF * Wattage:750 W * 80 PLUS Certification:Gold * Cabling:Non-modular (Fixed Cables) * Fan Size:120 mm * Fan Bearing:Sleeve Bearing * Dimensions (L x W x H):140 mm x 150 mm x 86 mm * Tradeinn.com Delivery: in United Kingdom Report	£76.99 Buy in shop

	SeaSonic Core GC-750 750W Fully Wired 80+ Gold ATX 3.1 Black Power Sup Scan.co.uk Delivery: to United Kingdom Report	£79.99 Buy in shop

	Seasonic CORE GC-750 750w ATX 3.1 80 Plus Gold Power Supply - Black - SRP-CGC751-A5A32SF SRP-CGC751-A5A32SF The CORE GC-750 is a 750W 80 Plus Gold power supply built to the ATX 3.1 standard, delivering the clean, stable power and ren... moreowned reliability Seasonic is known for, in a black finish. Awd-it.co.uk Delivery: to United Kingdom Report	£79.99 Buy in shop

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