850W Seasonic FOCUS GX ATX 3.1 Modular 80 Plus Gold PSU
Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black
Cheapest Total Price
Temporarily out of stock. We are working hard to be back in stock. Place your order and we’ll email you when we have an estimated delivery date. Express Delivery available with Amazon Prime.
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£123.98
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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 29 Mar 2026)
Based on a total of 15,307 customer reviews from independent review platforms.
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Based on a total of 15,307 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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£129.99
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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 27 Mar 2026)
Based on a total of 28,038 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.
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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 28,038 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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£130.00
Delivery from £3.99
Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black
Standard delivery in 3 working days
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£132.19
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Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black
Overall Rating: 3.2 / 5 (average from multiple review sources, as of 26 Mar 2026)
Based on a total of 43 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 43 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.
Standard delivery in 3 working days
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£132.19
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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 29 Mar 2026)
Based on a total of 32,799 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 32,799 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
In stock
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£140.02
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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 28 Mar 2026)
Based on a total of 433 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 433 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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£140.99
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Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black
In stock
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£143.37
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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: £123.98
- 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 €£123.98to €£214.10 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 Temporarily out of stock. We are working hard to be back in stock. Place your order and we’ll email you when we have an estimated delivery date. Express Delivery available with Amazon Prime. working days offered by Amazon-marketplace.co.uk.
5 Variants from £115.88
£152.88
Amazon-marketplace.co.uk
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£115.88
Amazon-marketplace.co.uk
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£147.99
cclonline.com(UK)
Delivery from £3.95
£129.95
overclockers.co.uk
Delivery from £3.99
£179.99
overclockers.co.uk
Delivery from £3.99
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£147.99
cclonline.com(UK)
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itsupplies.uk
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Seasonic Power Supply Gold Modular Focus GX-850 ATX3.0 850W 80 Power Supply
£109.99
ebay.co.uk
Free Delivery
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.
£123.98
Temporarily out of stock. We are working hard to be back in stock. Place your order and we’ll email you when we have an estimated delivery date. Express Delivery available with Amazon Prime.
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