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header-product Power supply unit Seasonic CORE GC-750 ATX 3.1 750 W 24-pin ATX Fully-modular 80 PLUS Gold Black
79.99 €

Power supply unit Seasonic CORE GC-750 ATX 3.1 750 W 24-pin ATX Fully-modular 80 PLUS Gold Black

Fast delivery available
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Seasonic CORE GC-750 ATX 3.1 750 W power supply Photo 1
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Power supply unit Seasonic CORE GC-750 ATX 3.1 750 W 24-pin ATX Fully-modular 80 PLUS Gold Black

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Short description

Seasonic CORE GC-750 is an ATX 3.1 internal power supply unit with 750 W total power, 24-pin motherboard connector and fully‑modular cabling. It supports 100–240 V AC input at 50/60 Hz, delivers 80 PLUS Gold efficiency, and uses an active 120 mm fan for cooling. Included cables: AC, CPU, PCIe, SATA, and Peripheral (Molex) to SATA 3.3. Designed for desktop PC builds requiring reliable, efficient power delivery.
Available at price 79.99 €: 27 pcs.
Total available for order: 1050 pcs.
Warranty: 2 Years
SKU: 11673262
Manufacturer: SEASONIC
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Pick-up points

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Cost

1.79 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
13.08.2026 {{selectedOffer.officeDeliveryString}}
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From 4.99 € (Weight: 1.00 kg)
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Product information

Description

Seasonic CORE GC-750 ATX 3.1 is a 750 W fully modular power supply designed for modern PCs. Compliant with ATX 3.1 and PCIe 5.1 standards, it delivers 750 W total power with 100–240 V AC input at 50/60 Hz and features a 24-pin ATX motherboard connector. The unit is 80 PLUS Gold certified, comes in black, and includes a 120 mm active fan with Seasonic’s Smart and Silent Fan Control for balanced cooling and low noise. The CORE GC series uses an improved OptiSink PCB layout and automated surface-mount production to enhance reliability, thermal performance, and energy efficiency.

Advantages

The Seasonic CORE GC-750 provides high energy efficiency with its 80 PLUS Gold certification and a fully modular cable system that simplifies cable management. Its updated OptiSink design and revised PCB layout improve heat dissipation and internal airflow, resulting in cooler operating temperatures and longer component life. Native support for next‑gen and legacy GPU power via 12V-2x6 and 2×8-pin connections increases compatibility across graphics cards. A 120 mm Hydro Dynamic Bearing fan combined with S2FC (Smart and Silent Fan Control) optimizes cooling while minimizing audible noise. The product is covered by Seasonic’s 7-year worldwide manufacturer’s warranty.

Suitable for

  • Gaming desktops requiring up to 750 W continuous power
  • Workstations with discrete GPUs needing PCIe 5.1 compatibility
  • Custom PC builds where cable management and modularity are important
  • System upgrades aiming for improved efficiency and quieter operation

Key specifications

  • Total power: 750 W
  • AC input: 100–240 V, 50/60 Hz
  • Motherboard connector: 24-pin ATX
  • Certification: 80 PLUS Gold
  • Fan: 120 mm Hydro Dynamic Bearing
  • Form factor: ATX, fully modular cabling
  • Color: Black
  • Manufacturer warranty: 7 years

How to use

Install the CORE GC-750 into a compatible ATX case following the motherboard and case manufacturer instructions. Mount the power supply securely with the fan orientation that best suits your case airflow (the OptiSink design allows safe installation in either orientation). Connect the 24-pin ATX cable to the motherboard, attach CPU and PCIe connectors as required by your components, and use modular SATA/Peripheral cables for drives and peripherals. Ensure the AC cord is connected to a properly grounded outlet and check all connections before powering on the system.

Usage recommendations

For optimal performance, keep case airflow unobstructed and ensure intake/exhaust fans create a consistent flow through the power supply area. Use native PCIe connectors when possible; use the included adapters only when necessary. Periodically inspect cables and dust the 120 mm fan to maintain cooling efficiency and low noise levels.

Specifications

80 PLUS certification:
80 PLUS Gold
Power supply unit (PSU) form factor:
ATX
Purpose: What the product is used for.
PC
Peripheral (Molex) power connectors (4-pin): White 4-pinned connector used to connect a peripheral to the power supply.
2
Motherboard power connector: The way in which the motherboard is connected to the power supply.
24-pin ATX
AC input voltage: The voltage of the AC electricity that is inputted into the product.
100 - 240
Total power: The total power that is needed by the device, or the total power produced by the device.
750 W
All features

Technical details

Sustainability certificates:
ENERGY STAR

Packaging data

Package type: The type of product package e.g. box.
Box

Weight & dimensions

Height: The measurement of the product from head to foot or from base to top.
86 mm
Depth: The distance from the front to the back of something.
140 mm
Width: The measurement or extent of something from side to side.
150 mm

Certificates

Certification:
OCP, OPP, OTP, SCP, OVP, UVP, BSMI, C-tick, CB, CCC, CE, cTUVus, EAC, FCC, TUV, UKCA, ErP Lot 6, Energy Star, REACH, RoHS, WEEE
Compliance certificates: Indicates which regulatory, safety, and environmental standards the product complies with, as verified by recognized authorities or certification bodies.
CCC, BSMI, CB, CE, EAC, REACH, RoHS, UKCA, WEEE, cTUVus

Packaging content

Cables included:
AC, Peripheral (Molex) to SATA 3.3, SATA, PCIe, CPU

Operational conditions

Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
0 - 50

Design

On/off switch: The button which is pressed to switch the device on or off.
Yes
Number of fans: The quantity of fans (apparatus with rotating blades that creates a current of air for cooling or ventilation).
1 fan(s)
Fan diameter: The size of the fan, measured by the distance from one side of the fan to the other, via a straight line going through the middle of the fan.
120 mm
Cooling type: The method used to cool the device or to cool the air around the device.
Active
Product colour: The colour e.g. red, blue, green, black, white.
Black

Performance

Mean time between failures (MTBF): Statistical model used to indicate product/mechanism reliability; expressed in hours and percentage of duty cycle. This number (in hours) does not indicate the mean time before failure for a single unit/mechanism.
100000 h
ATX version: ATX (Advanced Technology eXtended) is a motherboard form factor specification developed by Intel in 1995. The specification defines the key mechanical dimensions, mounting point, I/O panel, power and connector interfaces between a computer case, a motherboard and a power supply. There are many versions of ATX including ATX12V 1.x and ATX12V v2.3.
3.1
80 PLUS certification:
80 PLUS Gold
Power supply unit (PSU) form factor:
ATX
Purpose: What the product is used for.
PC

Ports & interfaces

Cabling type:
Fully-Modular
Peripheral (Molex) power connectors (4-pin): White 4-pinned connector used to connect a peripheral to the power supply.
2
Number of SATA power connectors:
2
Number of PATA power connectors:
2
Motherboard power cable length:
610 mm
Motherboard power connector: The way in which the motherboard is connected to the power supply.
24-pin ATX

Power

Power protection features: Features that protect the device against power problems e.g. overload.
Short circuit, Over voltage, Over total voltage, Under voltage, Over power, Over current
Max output current (+5Vsb):
3 A
Max output current (-12V):
0.3 A
Max output current (+5V):
20 A
Max output current (+12V):
62 A
Max output current (+3.3V):
20 A
Combined power (+5Vsb):
15 W
Combined power (-12V):
3.6 W
Combined power (+12V):
744 W
Combined power (+3.3V):
100 W
Input current:
10 - 5
AC input frequency:
50/60
AC input voltage: The voltage of the AC electricity that is inputted into the product.
100 - 240
Total power: The total power that is needed by the device, or the total power produced by the device.
750 W

Description

Machine translation. Load original

Reasons to buy

Optimized for PCIe 5.1 GPUs

The CORE GX 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 600W 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.

- Fully compliant with PCIe 5.1 and ATX 3.1 standards
- Up to 600W of power
- Future-ready while still supporting existing hardware

Optimized for PCIe 5.1 GPUs

Full Support for Legacy GPUs

To ensure compatibility with older GPUs, the CORE GX ATX 3.1 includes a 12V-2x6 to 2× 8-pin PCIe adapter cable. It delivers reliable power 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.

- Converts 12V-2x6 output to 2× 8-pin PCIe inputs
- Ideal for graphics cards from previous generations
- Easy to install for users upgrading from older systems

Full Support for Legacy GPUs

Fully Modular Cables

In Sea Sonic’s patented design feature, full modularity goes hand in hand with extensive use of SMD technology to increase overall performance and reliability. The simple and inventive layout helps achieve high quality and stable performance, while efficiency is improved by minimized line resistance, reduced voltage drop and lower impedance. Fewer components and better space utilization facilitate optimal airflow inside the case, improve heat dissipation and cooling, and ultimately extend product lifetime.

Fully Modular Cables

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Stock data
Warehouse Stock Delivery to the store Store Price
WH94 27 13.08.2026
79.99 € Best price
WH155 3 13.08.2026
83.49 €
WH115 10 13.08.2026
83.49 €
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86.49 €
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Customer reviews

Customer questions

FAQ

How much does the Seasonic CORE GC-750 ATX 3.1 750 W power supply cost, and is it available for purchase?

The price is 79.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1050 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 13.08.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can Seasonic CORE GC-750 ATX 3.1 750 W power supply be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Seasonic CORE GC-750 ATX 3.1 750 W power supply online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All SEASONIC products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized SEASONIC service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: 80 plus certification, power supply unit (psu) form factor, purpose, peripheral (molex) power connectors (4-pin), motherboard power connector, ac input voltage, total power, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for Seasonic CORE GC-750 ATX 3.1 750 W power supply?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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