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800w - 850w PSUs

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36 Items found
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
MSI MAG A850GL PCIe 5.0 ATX 3.0 80 Plus Gold Power Supply - White
POW-MSI-01938
The MSI MAG A850GL PCIE5 WHITE is a fully-modular ATX power supply delivering 850W of reliable power with 80 PLUS Gold efficiency and active PFC.
£129.95 (incl. VAT)
fiber_manual_record In stock
Seasonic Prime PX-850 850W 80 Plus Platinum Modular Power Supply
CA-079-SS
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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
Aerocool Integrator 850W 80 Plus Bronze Power Supply
POW-AER-01512
Aerocool Integrator 850W 80 Plus Bronze Power Supply
£69.95 (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
Save 6%
Thermaltake Toughpower GF3 850W Fully Modular Native PCIE 5 80 Plus Gold Power Supply
CA-1BP-TT
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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
Save 20% Free Gift
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
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
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
ASUS ROG THOR 850W 80 Plus Platinum II Modular Power Supply
CA-058-AS
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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
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
£224.99 (incl. VAT)
fiber_manual_record In stock
£249.95 (incl. VAT)
fiber_manual_record In stock
Corsair RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply (CP-9020200-UK)
CA-267-CS
RM850x 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, withvirtually silent operation.
£147.95 (incl. VAT)
fiber_manual_record In stock
£139.99 (incl. VAT)
fiber_manual_record In stock
£119.99 (incl. VAT)
fiber_manual_record In stock
Seasonic Prime TX-850 850W 80 Plus Titanium Modular Power Supply
CA-075-SS
Powerful 850 Watt power supply, 80 PLUS Titanium for maximum efficiency, Powerful single rail rated for 70 A, modular cable management with flat cables, 12 year manufacturer's warranty
£264.95 (incl. VAT)
fiber_manual_record In stock
Asus TUF Gaming 850W 80 Plus Gold Power Supply
CA-060-AS
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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
Seasonic G12-GC-850 850W 80+ Gold Power supply
CA-07K-SS
High Efficiency, 80 PLUS® Gold Certified compact ATX Power supply with 5 years warranty
£89.99 (incl. VAT)
fiber_manual_record In stock
Aerocool Integrator 850W 80 Plus Bronze Semi-Modular Power Supply
CA-23R-AE
Aerocool Integrator 850W 80 Plus Bronze Semi-Modular Power Supply
£74.99 (incl. VAT)
fiber_manual_record In stock
Free Delivery
Free Gift
Kolink Regulator 850W 80 Plus Gold Gen5 Modular Power Supply
CA-07V-KK
ATX 3.0 PSU, 12VHPWR 600W cable, Fully Modular, Switchable semi-fanless mode, Japanese capacitors, 120mm FDB fan, Extensive safety functions (OVP, UVP, OPP, SCP, OCP, OTP, SIP)
£109.99 (incl. VAT)
fiber_manual_record In stock
Free Delivery
Save 17%
Aerocool Integrator Gold 850W 80 Plus Gold Modular Power Supply
CA-23T-AE
The most affordable 80Plus Gold power supply unit that delivers high efficiency and stable power output with minimum noise.
£96.95 £79.99 (incl. VAT)
fiber_manual_record In stock
Free Delivery
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
£109.98 (incl. VAT)
fiber_manual_record In stock
Asus ROG Loki SFX-L 850W Platinum Power Supply - White
CA-06F-AS
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ROG Loki 850W Platinum White Edition, The Quietest SFX-L PSU.
£250.00 (incl. VAT)
fiber_manual_record In stock
Free Delivery
Save 14%
Seasonic Focus GX-850 850W 80+ Gold Modular Power Supply
CA-06T-SS
Powerful 850 Watt power supply, High-efficiency thanks to 80 PLUS Gold certification, Powerful 70A single rail, Modular cable management with flat cables, 10 Year manufacturer's guarantee
£139.99 £119.99 (incl. VAT)
fiber_manual_record In stock
Kolink Modular Power 850W 80 Plus Bronze Modular Power Supply
CA-061-KK
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Modern Design, Semi-modular cable management, 840W and 70A on a 12V rail, 80 PLUS bronze certificate for high efficiency
£74.99 (incl. VAT)
fiber_manual_record Pre order
ASUS ROG STRIX 850W White Edition 80 Plus Gold Modular Power Supply
CA-05L-AS
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White Edition PSU, ROG Heatsinks, Dual Ball Fan Bearings, 80 Plus Gold Certification, Fully Modular, Cosmetic Customisation, 10 Year Manufacturers Warranty
£164.99 (incl. VAT)
fiber_manual_record Pre order
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 Pre order
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 Pre order
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 Pre order
Seasonic Prime GX-850 850W 80 Plus Gold Modular Power Supply
CA-07D-SS
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Powerful 850 Watt power supply, High efficiency with 80 PLUS Gold, Powerful 70A single rail, Modular cable management with flat cables, 12 Year manufacturer's guarantee
£209.99 (incl. VAT)
fiber_manual_record Out of stock
See Details
be quiet Dark Power 12 850W 80 Plus Titanium Modular Power Supply
CA-14B-BQ
The be quiet! Dark Power Pro 12 1200W offers 80 PLUS® Titanium efficiency and world class performance due to fully digital control and frameless fan concept
£249.95 (incl. VAT)
fiber_manual_record Out of stock
See Details
Phanteks AMP 850W 80 Plus Gold Modular Power Supply
CA-0AR-PT
850W Modular PSU, 80 PLUS Gold certified, Near silent 120mm fan, Compatible with Revolt Pro PSUs
£129.95 (incl. VAT)
fiber_manual_record Out of stock
See Details
be quiet Pure Power 11 FM 850W 80 Plus Gold Power supply
CA-14J-BQ
Pure Power 11 FM 850W offers 80 PLUS® Gold efficiency, a silence-optimized 120mm be quiet! fan and user-friendly modular cables.
£109.99 (incl. VAT)
fiber_manual_record Out of stock
See Details
Free Gift
Bitfenix Whisper M Series 850W 80 Plus Gold Modular Power Supply
CA-22D-BX
As the name suggests the Bitfenix Whisper is an extremely silent power supply with an 80+ Gold Certified efficiency.
£114.95 (incl. VAT)
fiber_manual_record Out of stock
See Details

PC Power Supplies 800W - 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


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