850W Seasonic FOCUS GX ATX 3.1 Modular 80 Plus Gold PSU
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 10 Feb 2026)
Based on a total of 27,431 customer reviews from independent review platforms.
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Based on a total of 27,431 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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Cheapest Total Price
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£119.99
Delivery from £3.99
Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black
Overall Rating: 2.1 / 5 (average from multiple review sources, as of 27 Jan 2026)
Based on a total of 45 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 45 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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£141.91
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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 9 Feb 2026)
Based on a total of 42 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 42 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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£141.91
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Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black
Overall Rating: 4.7 / 5 (average from multiple review sources, as of 27 Jan 2026)
Based on a total of 417 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 417 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 power supply unit 850 W 20+4 pin ATX ATX Black
In stock
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£143.98
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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 28 Jan 2026)
Based on a total of 32,568 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 32,568 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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£143.99
Delivery from £3.95
Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black
In stock
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£144.51
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Seasonic Focus GX-850 850W ATX 3.0 80 PLUS Gold PSU Power Supply
Overall Rating: 4.4 / 5 (average from multiple review sources, as of 28 Jan 2026)
Based on a total of 15,217 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 15,217 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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£146.49
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Seasonic Focus GX power supply unit 850 W 20+4 pin ATX ATX Black
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 7 Feb 2026)
Based on a total of 22,359 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 22,359 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 6 - 13 working days of receiving cleared payment.
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£161.70
Delivery from £30.41
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Seasonic Focus GX-850 850W ATX 3.1 80 Plus Gold Modular Power Supply - Details
▶ Finding you the best price!
We have found 9 prices for Seasonic Focus GX-850 850W ATX 3.1 80 Plus Gold Modular Power Supply. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
Seasonic Focus GX-850 850W ATX 3.1 80 Plus Gold Modular Power Supply - Price Information
- Cheapest price: £119.99
- The cheapest price is offered by overclockers.co.uk . You can order the product there.
- The price range for the product Seasonic Focus GX-850 850W ATX 3.1 80 Plus Gold Modular Power Supply is €£119.99to €£161.70 with a total of 9 offers.
- Payment methods: The online shop overclockers.co.uk supports: PayPal, Visa, Mastercard, AmazonPay
- Delivery: The shortest delivery time is Unknown working days offered by overclockers.co.uk .
5 Variants from £109.50
£174.99
cclonline.com(UK)
Delivery from £3.95
£109.50
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£154.20
ebay.co.uk
Delivery from £20.01
£149.22
Amazon-marketplace.co.uk
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£135.98
ebay.co.uk
Delivery from £32.10
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£135.98
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Delivery from £32.10
£149.99
scan.co.uk
Delivery from £5.48
£164.83
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Delivery from £13.99
Cheapest offer
Following the well-established legacy of the Seasonic FOCUS Series, the FOCUS GX Series has been upgraded to comply with the ATX 3.1 and PCIe 5.1 standards. It offers a complete range of power supplies from 750W to 1000W, all within a compact 140mm depth. Each unit features a 135mm fan, a 12V-2×6 cable, and our new OptiSink technology. These units are designed to be perfect allies in powering the latest high-power graphics cards and processors available on the market. FOCUS GX ATX 3 at a Glance 80 PLUS Gold Efficiency: Offers high energy efficiency, reducing power consumption and heat. Fully Modular Design: Allows for flexible cable management. Compact Size: Fits comfortably in smaller cases. Premium Hybrid Fan Control: Ensures optimal cooling with a silent mode. ATX 3.1 and PCIe 5.1 Ready: Supports modern GPUs and components. 10-Year Warranty: Provides long-term peace of mind FOCUS GX ATX 3 Specification 80PLUS® Gold Cybenetics Efficiency Level Gold Cybenetics Noise Level Standard++ F
£119.99
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