Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black

Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black

Brand Seasonic

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£85.66

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2 offers at 2 retailers

Listed since 26 May 2026

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Description

80 PLUS Gold certified. Fixed cables. Tight Voltage Regulation. S2FC - Smart and Silent Fan Control. The G12 GC Series is available in the standard ATX Form Factor and in wattages that are most common for a PC system. The Seasonic G12 GC-Series achieves 80 PLUS Gold standard of providing at least 87 %, 90 % and 87 % power usage efficiency at 20 %, 50 % and 100 % operating loads, respectively. This efficiency, combined with Active Power Factor Correction, enables the G12 GC series power supplies to lessen energy waste, which translates into savings on the costs of energy costs for its users. In addition to being greatly efficient, the G12 GC units utilize the LLC resonant converter design, and the industry’s leading Smart and Silent Fan Control (S2FC).. Power. Max output current (+5Vsb). 2.5 A. Max output current (-12V). 0.3 A. Max output current (+5V). 15 A. Max output current (+12V). 62 A. Max output current (+3.3V). 15 A. Combined power (+5Vsb). 12.5 W. Combined power (-12V). 3.6 W. Combined power (+5V). 100 W. Combined power (+12V). 744 W. Combined power (+3.3V). 100 W. Power Factor Correction (PFC) type. Active. Input current. 10 A. AC input voltage. 100 - 240 V. Total power. 750 W. Ports & interfaces. Cabling type. Non-Modular. PCI Express connector. Yes. PCI Express power cable length. 70 cm. PCI Express power connectors (8-pin). 2. PCI Express power connectors (6-pin). 2. Peripheral (Molex) power cable length. 690 mm. Peripheral (Molex) power connectors (4-pin). 3. SATA power cable length. 690 mm. Number of SATA power connectors. 6. Motherboard power connector. 20+4 pin ATX. Performance. Mean time between failures (MTBF). 100000 h. Bearing technology. Sleeve. Silent mode. Yes. Supported motherboard form factors. ATX. 80 PLUS certification. 80 PLUS Gold. Power supply unit (PSU) form factor. ATX. Purpose. PC. Design. Fan diameter. 12 cm. Product colour. Black. Operational conditions. Operating temperature (T-T). 0 - 50 °C. Safety regulation & standards. Safety. cTUVus, TUV, CB, CCC, BSMI, CE, FCC. Certificates. Certification. Energy Star, RoHS, WEEE, ErP Lot 6, REACH. Weight & dimensions. Height. 86 mm. Depth. 140 mm. Width. 150 mm. Logistics data. Harmonized System (HS) code. 84733020. leaflet. manual pdf

Full specifications

Marque Seasonic
Référence fabricant ssp750rt2
EAN 4711173878537

The Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black in its market context in 2026

In the Informatique category, the Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black by Seasonic stands out for its positioning in 2026. Compiral lists all available offers to help you buy at the best price. Our comparison tool takes delivery costs into account to calculate the true total price of each offer. Filter by stock availability, free delivery, or sort by ascending price to find the best deal right now.

Seasonic: what this model offers

What buyers remember about the Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black: consistent quality, intuitive use and a price that stays within market norms for this level of performance. The positioning of Seasonic on the Informatique segment ensures access to spare parts and a structured after-sales service, which matters greatly in the long run. A solid choice in 2026, whether for a new purchase or to replace a failing device. Also discover the Seasonic ATX3-PRIME-PX-1600 power supply unit 1600 W 20+4 pin ATX ATX Black from the same brand for a second level of comparison.

The strengths that really make a difference

What truly differentiates the Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black from other products in the Informatique category comes down to a few concrete points: the build quality typical of Seasonic, its availability from many retailers and accessible after-sales support. These criteria, often decisive for buyers, favour this model over alternatives on the market in 2026. Compare with the Seasonic Focus GX ATX 3.0 power supply unit 1000 W 20+4 pin ATX Black if you wish to explore other models from the brand.

What you need to know before buying

Before buying the Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black, check the following points: stock availability at your chosen retailer, the returns policy, warranty period and delivery charges. These details are accessible from our offers table at the top of this page. Seasonic generally offers a well-structured after-sales network for the Informatique category.

Market price ranges in 2026

RangeIndicative price
Entry-levelUnder 391990 £
Mid-range391990 £ to 914640 £
High-endOver 914640 £

Comparing prices before buying the Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black can save you between £10 and £40 depending on the retailer and the time of year. Use Compiral to never overpay for your online purchases. The 2 offers listed on this page all come from verified retailers with sales conditions compliant with consumer protection law.

Frequently asked questions about Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black

Is there a refurbished version of the Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black?

Refurbished versions of the Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.

When do prices for the Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black drop during the year?

Prices for the Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black typically drop during Black Friday (November), the January sales and the summer sales (July). Promotional deals are also common around Cyber Monday and the holiday season. Our price history lets you spot trends and assess whether a price drop is likely soon in the Informatique category.

Is delivery free for the Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black at all retailers?

Free delivery is not guaranteed for the Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black at every retailer. Some include it in their price, others charge separately. On Compiral, use the free delivery filter to display only offers with free postage. The total price shown in our table always includes delivery costs for a true cost comparison.

How do I return the Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black if I am not satisfied?

You have a 14-day right of withdrawal for any online purchase, applicable to the Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black regardless of the retailer. Precise return conditions vary by retailer: check their returns policy before buying. Statutory consumer rights protect you in the event of a defect discovered after delivery.

Is the Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black worth its price in 2026?

In 2026, the Seasonic G12 GC power supply unit 750 W 20+4 pin ATX ATX Black is listed from £85.66 at our partner retailers. This price is consistent with the positioning of Seasonic in the Informatique category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.

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