Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black
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 13 May 2026)
Based on a total of 252 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 252 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.
Cheapest Total Price
In stock. Express Delivery available with Amazon Prime.
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£128.92
Free Delivery
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 11 May 2026)
Based on a total of 28,461 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 28,461 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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£133.99
Delivery from £3.99
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 12 May 2026)
Based on a total of 454 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 454 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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£136.99
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 13 May 2026)
Based on a total of 252 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 252 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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£137.98
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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 13 May 2026)
Based on a total of 32,935 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 32,935 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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£139.99
Delivery from £3.95
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 13 May 2026)
Based on a total of 252 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 252 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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Direct debit
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Mastercard
Mastercard
£143.37
Free Delivery
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 13 May 2026)
Based on a total of 15,421 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 15,421 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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£147.63
Delivery from £4.95
Seasonic FOCUS GX 850 Watt Fully Modular 80+ Gold PSU, Black ATX3.1
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 13 May 2026)
Based on a total of 50,156 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 50,156 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 day
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PayPal
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Mastercard
Google Checkout
Google Checkout
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AmazonPay
£149.99
Delivery from £5.48
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 2 May 2026)
Based on a total of 3,242 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 3,242 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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£155.35
Free Delivery
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Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black - Details
▶ Finding you the best price!
We have found 9 prices for Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black - Price Information
- Cheapest price: £128.92
- The cheapest price is offered by Amazon-marketplace.co.uk. You can order the product there.
- The price range for the product Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black is €£128.92to €£218.57 with a total of 9 offers.
- Payment methods: The online shop Amazon-marketplace.co.uk supports: Direct debit, Visa, Mastercard
- Delivery: The shortest delivery time is In stock. Express Delivery available with Amazon Prime. working days offered by Amazon-marketplace.co.uk.
5 Variants from £116.74
£143.22
Amazon-marketplace.co.uk
Free Delivery
£116.74
Amazon-marketplace.co.uk
Free Delivery
£149.99
overclockers.co.uk
Delivery from £3.99
£129.95
overclockers.co.uk
Delivery from £3.99
£179.99
scan.co.uk
Delivery from £5.48
Similar products
£143.22
Amazon-marketplace.co.uk
Free Delivery
£116.74
Amazon-marketplace.co.uk
Free Delivery
£149.99
overclockers.co.uk
Delivery from £3.99
£149.99
scan.co.uk
Delivery from £5.48
£129.95
overclockers.co.uk
Delivery from £3.99
Cheapest offer
Reliable 850W ATX 3.1 Power Delivery - The Seasonic FOCUS GX-850 PSU complies with the latest ATX 3.1 and PCIe 5.1 standards, ensuring compatibility with current generation components and high-power graphics cards. 80 PLUS Gold Efficiency - Certified 80 PLUS Gold performance delivers up to 90 % efficiency at typical loads, reducing wasted energy and heat output for efficient system operation. Fully Modular for Clean Builds - Fully detachable cables allow custom cable management, reducing clutter and improving airflow inside your PC build. Quiet Digital Hybrid Fan Control - Features an advanced hybrid fan control system that transitions between fanless, silent, and cooling modes for near-silent operation during light loads and efficient cooling under heavy load. Compact & Durable Design - With a 140 mm length, fluid-dynamic bearing fan, and OptiSink internal design for improved heat dissipation, this PSU combines reliability with performance in compact chassis configurations.
£128.92
In stock. Express Delivery available with Amazon Prime.
Amazon-marketplace.co.uk
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