Student Discount Help & Support Blog Forum

850w PSUs

Filter
View:
view_comfy square view_list
83 Items found
Silverstone SST-DA1650-G 80 PLUS Gold 1650W fully modular ATX power supply
CA-45D-SV
High efficiency with 80 PLUS Gold certification, Ultra silent 135mm FDB fan with semi-fanless and delayed shut-off function
£309.95 (incl. VAT)
fiber_manual_record In stock
Corsair AXi Series AX1600i 1600W 80 Plus Titanium Digital Modular Power Supply (CP-9020087-UK)
CA-23U-CS
AXi Series, The CORSAIR AX1600i is the ultimate digital ATX power supply, built using only the best components and state-of-the-art gallium nitride transistors to deliver more than 94% efficiency.
£484.99 (incl. VAT)
fiber_manual_record In stock
£224.99 (incl. VAT)
fiber_manual_record In stock
£250.00 (incl. VAT)
fiber_manual_record In stock
Be quiet! Straight Power 12 850W 80 Plus Platinum ATX 3.0 Power Supply
CA-155-BQ
Straight Power 12 is a future-proof ATX 3.0 power supply with 80 PLUS® Platinum certification and virtually inaudible operation.
£175.00 (incl. VAT)
fiber_manual_record In stock
Asus ROG Loki SFX-L 850W Platinum Power Supply - White
CA-06F-AS
star star star star star
(1)
ROG Loki 850W Platinum White Edition, The Quietest SFX-L PSU.
£250.00 (incl. VAT)
fiber_manual_record In stock
Free Delivery
Be quiet! Straight Power 12 1200W 80 Plus Platinum ATX 3.0 Power Supply
CA-153-BQ
Straight Power 12 is a future-proof ATX 3.0 power supply with 80 PLUS® Platinum certification and virtually inaudible operation.
£250.00 (incl. VAT)
fiber_manual_record In stock
be quiet! Dark Power Pro 12 1200W 80 Plus Titanium Modular Power Supply
CA-144-BQ
The be quiet! Dark Power Pro 12 1200W offers 80 PLUS® Titanium efficiency, fully digital control and frameless fan concept.
£379.99 (incl. VAT)
fiber_manual_record In stock
Free Gift
Thermaltake Toughpower SFX 850W 80 Plus Gold Native PCIE 5 Power Supply
CA-1BU-TT
Designed with a native PCIe 12+4pin modular connector, the Toughpower SFX series is built for next-gen PCIe Gen 5.0 graphic cards
£189.95 (incl. VAT)
fiber_manual_record In stock
Seasonic Prime TX-1600 1600W 80 Plus Titanium Modular Power Supply
CA-081-SS
Pressing on with its One Seasonic Initiative, the PRIME TX, PRIME PX and PRIME GX series became the successors to the Seasonic PRIME and PRIME Ultra series.
£469.99 (incl. VAT)
fiber_manual_record In stock
Seasonic Prime PX-1600 1600W 80 Plus Platinum Modular Power Supply
CA-083-SS
Pressing on with its One Seasonic Initiative, the PRIME TX, PRIME PX and PRIME GX series became the successors to the Seasonic PRIME and PRIME Ultra series.
£359.99 (incl. VAT)
fiber_manual_record In stock
Seasonic VERTEX PX-850 ATX3.0 850W 80 Plus Platinum Modular Power Supply
CA-08R-SS
Seasonic VERTEX PX Series, redefines power supply excellence, ensuring peak performance, reliability, and advanced features for an elevated PC power solution.
£199.99 (incl. VAT)
fiber_manual_record In stock
Corsair HXi Series HX1500i Fully Modular Ultra-Low Noise ATX Digital Power Supply (CP-9020261-UK)
CA-27R-CS
CORSAIR HXi Series Fully Modular Ultra-Low Noise Power Supplies with ATX 3.0 and PCIe 5.0 use the highest quality components to deliver 80 PLUS Platinum efficient power.
£299.99 (incl. VAT)
fiber_manual_record In stock
Seasonic Prime PX-850 850W 80 Plus Platinum Modular Power Supply
CA-079-SS
star star star star star
(1)
Powerful 850 Watt power supply, 80 PLUS Platinum for maximum efficiency, Powerful single rail rated for 70A, modular cable management with flat cables, 12 year manufacturer's warranty
£249.95 (incl. VAT)
fiber_manual_record In stock
be quiet! Pure Power 12 M 1200W ATX 3.0 80 Plus Gold Power Supply
CA-150-BQ
Pure Power 12 M 1200W is ATX 3.0 compliant and PCIe 5.0 compatible, offers 80 PLUS® Gold efficiency and a silence-optimized 120mm be quiet! fan.
£199.99 (incl. VAT)
fiber_manual_record In stock
be quiet! SYSTEM POWER 10 850W 80 Plus Gold Power Supply
CA-14X-BQ
PROVEN RELIABILITY, QUIET OPERATION
£100.00 (incl. VAT)
fiber_manual_record In stock
Be quiet! Straight Power 12 1500W 80 Plus Platinum ATX 3.0 Power Supply
CA-152-BQ
Straight Power 12 is a future-proof ATX 3.0 power supply with 80 PLUS® Platinum certification and virtually inaudible operation.
£254.99 (incl. VAT)
fiber_manual_record In stock
be quiet! Dark Power Pro 13 1600W 80 Plus Titanium Power Supply
CA-14Z-BQ
The be quiet! Dark Power Pro 13 1600W offers 80 PLUS® Titanium efficiency, world-class performance and ATX 3.0 compliance for next-gen GPU compatibility.
£449.99 (incl. VAT)
fiber_manual_record In stock
Corsair HXi Series HX1000i Fully Modular Ultra-Low Noise ATX Digital Power Supply (CP-9020259-UK)
CA-27Q-CS
CORSAIR HXi Series Fully Modular Ultra-Low Noise Power Supplies with ATX 3.0 and PCIe 5.0 use the highest quality components to deliver 80 PLUS Platinum efficient power.
£229.99 (incl. VAT)
fiber_manual_record In stock
ASUS ROG THOR 850W 80 Plus Platinum II Modular Power Supply
CA-058-AS
star_half star star star star
(3)
ROG Thor series extends premium ROG brand to PSU product segment and features ROG heatsinks, dust-resistant Wing-blade fan, OLED Power Display, Aura Sync
£259.99 (incl. VAT)
fiber_manual_record In stock
Asus TUF Gaming 850W 80 Plus Gold Power Supply
CA-060-AS
star star star star star
(6)
The TUF Gaming 850W Gold is an efficient, resilient and dependable PSU that’s engineered for the long haul.
£159.95 (incl. VAT)
fiber_manual_record In stock
be quiet! Pure Power 12 M 850W ATX 3.0 80 Plus Gold Power Supply
CA-14R-BQ
Pure Power 12 M 850W is ATX 3.0 compliant and PCIe 5.0 compatible, offers 80 PLUS® Gold efficiency and a silence-optimized 120mm be quiet! fan.
£139.00 (incl. VAT)
fiber_manual_record In stock
Be quiet! Straight Power 12 1000W 80 Plus Platinum ATX 3.0 Power Supply
CA-154-BQ
Straight Power 12 is a future-proof ATX 3.0 power supply with 80 PLUS® Platinum certification and virtually inaudible operation.
£215.99 (incl. VAT)
fiber_manual_record In stock
Seasonic VERTEX GX-850 850W 80+ Gold Modular Power Supply
CA-089-SS
VERTEX Series units will provide true power in both Platinum and Gold levels of efficiency
£179.99 (incl. VAT)
fiber_manual_record In stock
Save 6%
Thermaltake Toughpower GF3 850W Fully Modular Native PCIE 5 80 Plus Gold Power Supply
CA-1BP-TT
Designed with a native PCIe 12+4pin connector, the Toughpower GF3 series is compatible with Intel ‘s ATX 3.0 specification and is built for next-gen PCIe 5.0 graphics cards, 100% Japanese Capacitors.
£160.00 £149.99 (incl. VAT)
fiber_manual_record In stock
£139.99 (incl. VAT)
fiber_manual_record In stock
Save 20%
Thermaltake Toughpower PF3 850W ATX3.0 Native PCIE 5 Fully Modular 80 Plus Platinum Power Supply
CA-1BQ-TT
Toughpower PF3 series is 80 PLUS Platinum certified and fully compatible with Intel’s ATX 3.0 specifications
£199.99 £160.00 (incl. VAT)
fiber_manual_record In stock
ASUS ROG STRIX 1000W 80 Plus Gold Modular Power Supply
CA-05N-AS
The ROG Strix 1000W Gold PSU brings premium cooling performance to heavyweight gaming rigs
£190.00 (incl. VAT)
fiber_manual_record In stock
Seasonic Focus GX-850 ATX3.0 850W 80 Gold Modular Power Supply
CA-08M-SS
ATX 12 V ATX 3.0 and PCIe 5.0 Full Modular 80 PLUS Gold Certified 10 Years Warranty Dimensions: 140 mm (L) x 150 mm (W) x 86 mm (H)
£139.99 (incl. VAT)
fiber_manual_record In stock
Seasonic B12 BC-850 850W 80+ Bronze Power supply
CA-07P-SS
80 PLUS® Bronze certified, Fixed cables, Tight Voltage Regulation, S2FC - Smart and Silent Fan Control, 5 years warranty
£85.00 (incl. VAT)
fiber_manual_record In stock
Lian Li SP850W SFX Modular 80 Plus Gold Power Supply - White
CA-7B5-LL
Maximum output of 850W, SFX form factor, 80 Plus Gold rating, Fully modular design, Zero RPM mode at 40% load, 5-year warranty
£144.95 (incl. VAT)
fiber_manual_record In stock
£109.98 (incl. VAT)
fiber_manual_record In stock
Seasonic Focus GX-1000 ATX 3.0 1000W 80 Gold Modular Power Supply
CA-08L-SS
star star star star star
(1)
ATX 12 V ATX 3.0 and PCIe 5.0 Full Modular 80 PLUS Gold Certified 10 Years Warranty Dimensions: 140 mm (L) x 150 mm (W) x 86 mm (H)
£169.99 (incl. VAT)
fiber_manual_record In stock
Free Gift
Super Flower Leadex Platinum '8Pack Edition' 2000W Fully Modular "80 Plus Platinum" Power Supply -
CA-031-SF
star star star star star
(2)
The collaboration of Super Flower with the world's number 1 overclocker, the multiple world record holder 'Ian "8Pack" Parry' has led to the worlds first 2000W consumer power supply on the market.
£399.95 (incl. VAT)
fiber_manual_record In stock
Free Gift Cashback
ASUS ROG THOR 1200W 80 Plus Platinum II Modular Power Supply
CA-067-AS
star_half star star star star
(2)
ROG Thor series extends premium ROG brand to PSU product segment and features ROG heatsinks, dust-resistant Wing-blade fan, OLED Power Display, Aura Sync
£349.99 (incl. VAT)
fiber_manual_record In stock
Thermaltake Toughpower GF A3 80 Plus Gold 1200W Power Supply
CA-1C3-TT
Toughpower GF A3 series is 80 PLUS Gold certified and compatible with Intel’s ATX 3.0 specifications.
£160.00 (incl. VAT)
fiber_manual_record In stock
be quiet! Dark Power Pro 12 1500W 80 Plus Titanium Modular Power Supply
CA-145-BQ
The be quiet! Dark Power Pro 12 1500W offers 80 PLUS® Titanium efficiency, fully digital control and frameless fan concept.
£409.99 (incl. VAT)
fiber_manual_record In stock
be quiet! Dark Power Pro 13 1300W 80 Plus Titanium Power Supply
CA-14Y-BQ
The be quiet! Dark Power Pro 13 1300W offers 80 PLUS® Titanium efficiency, world-class performance and ATX 3.0 compliance for next-gen GPU compatibility.
£409.99 (incl. VAT)
fiber_manual_record In stock
Corsair RMx Series RM1000x 80 PLUS Gold Fully Modular ATX Power Supply (CP-9020201-UK)
CA-268-CS
RM1000x Series fully modular power supplies with EPS12V connectors are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC, with virtually silent operation.
£179.99 (incl. VAT)
fiber_manual_record In stock
£169.98 (incl. VAT)
fiber_manual_record In stock

PC Power Supplies 850W PSUs


Asus ROG Loki SFX-L 850W Platinum Power Supply - White

Game like never before with an 850W PC power supply from Overclockers UK, expertly designed to offer the best possible power delivery for the latest gaming hardware. Whether you're assembling a new gaming PC or upgrading your current computer, our selection of 850W PSUs will ensure your gaming experience remains unrivalled. What’s more, you can take your pick from a huge range of industry-leading brands, including Corsair, EVGA, Seasonic, and more!



Want to Read More?

Where do all these cables go? PSUs have a lot of cables, and knowing which one goes where is super important! In this guide on the Overclockers UK Blog, we’ve covered everything you need to know about PC power supply cables and connectors.

Read More


The Overclockers Difference


innovative products, services and customer service

Innovative Products and Exclusive Brands

Overclockers UK not only offers next day delivery on thousands of products but also stocks exclusive brands from cutting-edge manufacturers including AMD, Intel, Asus, Gigabyte, Team Group and an ever-growing range of ultimate performance overclocked elite-tier hardware approved by 8 Pack.

customer service

Industry Leading Customer Support

Whether you are after advice, product information or even aftersales support we are here for you. Overclockers UK offers unparalleled customer service which is available across multiple platforms including telephone, social media, email, webnotes, live chat, and even a dedicated section on Overclockers forum. We even offer a 3 year warranty on our own PC's.

5 star Trustpilot

5 Star Service

Overclockers UK are rated one of the top PC, hardware and peripheral retailers in the country. From premium products to a personal shopping experience. You can trust us to deliver an unbeatable 5-star service


Subscribe and Save


subscribe

Subscribe to the Newsletter

Sign up to our weekly newsletter and get the latest news, offers, and deals directly to your inbox. Don't worry you can unsubscribe at anytime.

Sign Up Now


4.7

star star star star star_half

Google customer reviews

Our customers know our services and this is reflected in the rating they give us. Leave us your opinion and help us to improve it.

What our customers say about us

22 years trust badge