Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black
Seasonic Focus GX-850 850W ATX 3.0 80 PLUS Gold PSU Power Supply
Overall Rating: 4.3 / 5 (average from multiple review sources, as of 11 Aug 2026)
Based on a total of 15,739 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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Based on a total of 15,739 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
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£134.89
Delivery from £4.95
Seasonic Focus GX-850 850w ATX 3.1 80 Gold Modular Power Supply - Black - FOCUS-GX-850-V4
Overall Rating: 4.4 / 5 (average from multiple review sources, as of 9 Aug 2026)
Based on a total of 17,118 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 17,118 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
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£134.90
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850W Seasonic FOCUS GX ATX 3.1 Modular 80 Plus Gold PSU
Overall Rating: 4.4 / 5 (average from multiple review sources, as of 11 Aug 2026)
Based on a total of 32,637 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 32,637 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
1-3 working days
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£134.99
Delivery from £3.95
Seasonic Focus GX-850 850W ATX 3.1 80 Plus Gold Modular Power Supply
Overall Rating: 4.7 / 5 (average from multiple review sources, as of 9 Aug 2026)
Based on a total of 29,465 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 29,465 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
1-5 Workings Days
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£134.99
Delivery from £3.99
Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 11 Aug 2026)
Based on a total of 80,524 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 80,524 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
In stock
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£135.98
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Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 16 Aug 2026)
Based on a total of 3,232 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 3,232 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Next Day
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£142.75
Free Delivery
Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 11 Aug 2026)
Based on a total of 80,524 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 80,524 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
In stock
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£142.93
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Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black
Overall Rating: 4.6 / 5 (average from multiple review sources, as of 10 Aug 2026)
Based on a total of 504 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 504 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
3-5 working days
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£142.99
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Seasonic Focus Gx Atx 3.1 FOCUS-GX-850-V4 850W Psu 135Mm Fan 80 Plus Gold Fully
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 6 Aug 2026)
Based on a total of 24,333 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 24,333 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 5 - 11 working days of receiving cleared payment.
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£143.25
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Cheapest offer
Seasonic Focus GX-850 850W ATX 3.0 80 PLUS Gold PSU Power Supply The Seasonic Focus GX-850 is a highly efficient and reliable power supply unit designed for high-performance PCs . Offering 850W of continuous power, this ATX 3.0 certified unit is built to deliver exceptional performance, providing stable power for all your components. Its 80 PLUS Gold certification ensures reduced energy consumption, making it an excellent choice for gamers and professionals seeking efficiency without compromising on power. With a modular design, installation is a breeze, allowing for tidy cable management and enhanced airflow. Why You'll Love It **High Efficiency**: With an 80 PLUS Gold rating, the Seasonic Focus GX-850 helps you save on electricity bills while delivering consistent power to your system. **Robust Build Quality**: Designed with high-quality components , this power supply ensures durability and comes with a remarkable 10-year warranty, giving you peace of mind for years to come. **Modula
£134.89
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Seasonic Focus GX-850 850W ATX 3.0 80 PLUS Gold PSU Power Supply - Details
▶ Finding you the best price!
We have found 9 prices for Seasonic Focus GX-850 850W ATX 3.0 80 PLUS Gold PSU Power Supply. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
Seasonic Focus GX-850 850W ATX 3.0 80 PLUS Gold PSU Power Supply - Price Information
- Cheapest price: £134.89
- The cheapest price is offered by laptopoutlet.co.uk. You can order the product there.
- The price range for the product Seasonic Focus GX-850 850W ATX 3.0 80 PLUS Gold PSU Power Supply is €£134.89to €£219.37 with a total of 9 offers.
- Payment methods: The online shop laptopoutlet.co.uk supports: Visa, Mastercard
- Delivery: The shortest delivery time is Unknown working days offered by laptopoutlet.co.uk.
5 Variants from £105.52
Seasonic FOCUS GX ATX 3.0 power supply unit 1000 W 20+4 pin ATX Black
£139.90
Amazon-marketplace.co.uk
Free Delivery
Seasonic Focus GX-850 power supply unit 850 W 20+4 pin ATX ATX White
£142.99
backtotheoffice.co.uk
Free Delivery
Seasonic Focus GX-750 750w ATX 3.1 80 Gold Modular Power Supply - White - FOCUS-GX-750-V4-WHITE
£123.99
awd-it.co.uk
Free Delivery
Seasonic Focus GX power supply unit 750 W 20+4 pin ATX ATX Black
£105.52
Amazon-marketplace.co.uk
Free Delivery
Seasonic Focus GX-1000 1000W ATX 80 PLUS Gold PSU Power Supply - White
£162.53
laptopoutlet.co.uk
Delivery from £4.95
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Seasonic Focus GX-750 750w ATX 3.1 80 Gold Modular Power Supply - White - FOCUS-GX-750-V4-WHITE
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Seasonic FOCUS GX 850 Watt ATX3 Fully Modular 80+ Gold PSU, White
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Seasonic Focus GX-750 750W ATX 3.1 80 Plus Gold Modular Power Supply - White
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