98 products found
Above 800 Watts - Product Filter
     
XFX XTR Series 850W 80 Plus Gold Fully Modular Power Supply

Designed for serious gamers and DIY professionals, the XFX XTR Series 850W Modular 80 Plus Gold power supply delivers...

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XFX XTR Series 850W 80 Plus Gold Fully Modular Power Supply
 

10+ In stock

£139.99

Corsair RM Series RMi 850 '80+ Gold' 850W Modular Powe...

Corsair RMi series power supplies give you extremely tight voltage control, virtually silent operation, and a fully...

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Corsair RM Series RMi 850 '80+ Gold' 850W Modular Power Supply (CP-9020083-UK)
 

10+ In stock

£159.95

EVGA SuperNova G2 850W '80 Plus Gold' Modular Power...

The EVGA SuperNOVA 850 G2 has arrived! This power supply is 80 Plus Gold Rated, offers 850W of continuous power,...

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EVGA SuperNova G2 850W '80 Plus Gold' Modular Power Supply
 

Out of stock

£137.99

(1)
Super Flower Leadex Platinum 850W Fully Modular "80 Plus Platinu...

Super Flower, one of the worlds leading power supply manufacturers have unleashed a full Leadex Platinum range, all...

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Super Flower Leadex Platinum 850W Fully Modular "80 Plus Platinum" Power Supply - Black
 

Out of stock

£139.99

Corsair RM Series RM850X '80+ Gold' 850W Modular Power...

Corsair RMx series power supplies give you extremely tight voltage control, quiet operation, Gold-certified...

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Corsair RM Series RM850X '80+ Gold' 850W Modular Power Supply (CP-9020093-UK)
 

Out of stock

£149.99

(1)
EVGA SuperNova P2 850W '80 Plus Platinum' Modular P...

The unbeatable performance of the EVGA SuperNOVA P2 power supply line is now available in 850 watts.

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EVGA SuperNova P2 850W '80 Plus Platinum' Modular Power Supply
 

10+ In stock

£159.95

Corsair RM Series RMi 1000 '80+ Gold' 1000W Modular Po...

Corsair RMi series power supplies give you extremely tight voltage control, virtually silent operation, and a fully...

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Corsair RM Series RMi 1000 '80+ Gold' 1000W Modular Power Supply (CP-9020084-UK)
 

Out of stock

£199.99

8Pack Super Flower Leadex Platinum '8 Pack Edition' 2...

The collaboration of Super Flower with the world's number 1 overclocker, the multiple world record holder 'Ian "8...

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Super Flower Leadex Platinum '8 Pack Edition' 2000W Fully Modular "80 Plus Platinum" Power Supply -
 

Out of stock

£419.99

(2)
EVGA SuperNova G2 1000W '80 Plus Gold' Modular Powe...

The EVGA SuperNOVA 1000 G2 has arrived! This power supply is 80 Plus Gold Rated, offers 1000W of continuous power,...

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EVGA SuperNova G2 1000W '80 Plus Gold' Modular Power Supply
 

Out of stock

£176.99

(5)
Corsair RM Series RM1000X '80+ Gold' 1000W Modular Pow...

Corsair RMx series power supplies give you extremely tight voltage control, quiet operation, Gold-certified...

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Corsair RM Series RM1000X '80+ Gold' 1000W Modular Power Supply (CP-9020094-UK)
 

Out of stock

£184.99

Super Flower Leadex GOLD 1000W Fully Modular "80 Plus Gold"...

Super Flower, one of the worlds leading power supply manufacturers is now available at Overclockers UK, with PSU's...

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Super Flower Leadex GOLD 1000W Fully Modular "80 Plus Gold" Power Supply - Black
 

Out of stock

£174.95

(3)
Corsair HX1200i 1200W '80 Plus Platinum' Digital Modul...

HXi Series power supplies give you extremely tight voltage control, virtually silent operation, and a fully modular...

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Corsair HX1200i 1200W '80 Plus Platinum' Digital Modular Power Supply (CP-9020070-UK)
 

Out of stock

£244.99

EVGA SuperNova P2 1000W '80 Plus Platinum' Modular ...

The EVGA SuperNOVA 1000W Platinum has arrived! This power supply is 80 Plus Platinum Rated, offers 1000W of...

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EVGA SuperNova P2 1000W '80 Plus Platinum' Modular Power Supply (220-P2-1000-X3)
 

Out of stock

£229.99

(2)
Corsair HX1000i 1000W '80 Plus Platinum Digital Modular Pow...

HXi Series power supplies give you extremely tight voltage control, virtually silent operation, and a fully modular...

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Corsair HX1000i 1000W '80 Plus Platinum Digital Modular Power Supply (CP-9020074-UK)
 

Out of stock

£214.99

(1)
Corsair Builder Series CX 850w Modular '80 Plus Bronze'...

The CX750 is 80 PLUS® Bronze certified for excellent efficiency, and like all our CX series PSUs, is an ideal...

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Corsair Builder Series CX 850w Modular '80 Plus Bronze' Power Supply (CP-9020099-UK)
 

Out of stock

£105.95

(1)
Corsair AX860i Digital ATX '80 Plus Platinum' Modular ...

The fully modular Corsair AX860i uses a Digital Signal Processor (DSP) for tighter voltage regulation, which improves...

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Corsair AX860i Digital ATX '80 Plus Platinum' Modular Power Supply (CP-9020037-UK)
 

7 In stock

£214.99

(3)
Cougar GX V3 1050W 80 Plus Gold Modular Power Supply

New high-end series of power supplies specifically targeting demanding gamers, the COUGAR GX V3 series. The 80Plus...

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Cougar GX V3 1050W 80 Plus Gold Modular Power Supply
 

Out of stock

£139.99

(2)
EVGA SuperNova P2 1200W '80 Plus Platinum' Modular ...

The EVGA SuperNOVA 1200W Platinum has arrived! This power supply is 80 Plus Platinum Rated, offers 1200W of...

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EVGA SuperNova P2 1200W '80 Plus Platinum' Modular Power Supply (220-P2-1200-X3)
 

Out of stock

£249.95

Super Flower Leadex II 1200W 80 Plus Gold Modular Power Supply - White

Fully-Modular 80 Plus Gold 1.200 Watt Power Supply, Premium Electronics, 7 Year Guarantee and Quiet 135 mm DBB Fans

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Super Flower Leadex II 1200W 80 Plus Gold Modular Power Supply - White
 

Out of stock

£204.95

Corsair HX850i 850W '80 Plus Platinum Digital Modular Power...

HXi Series power supplies give you extremely tight voltage control, virtually silent operation, and a fully modular...

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Corsair HX850i 850W '80 Plus Platinum Digital Modular Power Supply (CP-9020073-UK)
 

9 In stock

£164.99

(2)
EVGA SuperNova G2 1300W '80 Plus Gold' Modular Powe...

This power supply raises the bar with an 80 Plus Gold rating, with 1300W of continuous power, exceptional efficiency...

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EVGA SuperNova G2 1300W '80 Plus Gold' Modular Power Supply (120-G2-1300-X3)
 

Out of stock

£229.99

Corsair AX1500i Digital ATX 80 Plus Titanium Modular Power Suppl...

If you want the very best power supply on the market, look no further!

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Corsair AX1500i Digital ATX 80 Plus Titanium Modular Power Supply (CP-9020057-UK)
 

Out of stock

£439.99

(2)
 
Super Flower Leadex Platinum 850W Fully Modular "80 Plus Platinu...

Super Flower bring a gunmetal coloured power supply into the Leadex range to compliment your system build with a...

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Super Flower Leadex Platinum 850W Fully Modular "80 Plus Platinum" Power Supply - Gunmetal
 

10+ In stock

£141.95

EVGA BQ 850W 80 Plus Bronze Semi Modular Power Supply

Introducing the next generation in value; the EVGA BQ Series.

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EVGA BQ 850W 80 Plus Bronze Semi Modular Power Supply
 

Out of stock

£86.99

EVGA SuperNova G3 850W 80 Plus Gold Modular Power Supply

EVGA SuperNOVA power supplies are well known for their extreme efficiency, performance and reliability.

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EVGA SuperNova G3 850W 80 Plus Gold Modular Power Supply
 

10+ In stock

£138.95

EVGA Supernova GS 850W '80 Plus Gold' Modular Power...

EVGA is launching the new GS PSU series. These power supplies follow the EVGA tradition of uncompromised power and...

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EVGA Supernova GS 850W '80 Plus Gold' Modular Power Supply
 

Out of stock

£129.95

Super Flower Leadex II 850W 80 Plus Gold Modular Power Supply - White

Fully-Modular 80 Plus Gold 850 Watt Power Supply, Premium Electronics, 7 Year Guarantee and Quiet 135 mm FDB Fans

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Super Flower Leadex II 850W 80 Plus Gold Modular Power Supply - White
 

10+ In stock

£129.95

(1)
EVGA SuperNova G2 1600W '80 Plus Gold' Modular Powe...

This power supply raises the bar with an 80 Plus Gold rating, with 1600W of continuous power, exceptional efficiency...

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EVGA SuperNova G2 1600W '80 Plus Gold' Modular Power Supply (120-G2-1600-X3)
 

Out of stock

£334.99

(1)
EVGA SuperNova G1 1000W '80 Plus Gold' Modular Powe...

The EVGA SuperNOVA 1000 G1 has arrived! This power supply is 80 Plus Gold Rated, offers 1000W of continuous power,...

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EVGA SuperNova G1 1000W '80 Plus Gold' Modular Power Supply
 

Out of stock

£149.99

Corsair AX1200i Digital ATX '80 Plus Platinum' Modular...

The AX1200i is certified 80 PLUS® Platinum, which results in lower heat generation and a quieter fan profile.

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Corsair AX1200i Digital ATX '80 Plus Platinum' Modular Power Supply (CP-9020008-UK)
 

Out of stock

£329.99

(7)
Super Flower Leadex Platinum 1000W Fully Modular "80 Plus Platin...

Super Flower one of the worlds leading power supply manufacturers is now available at Overclockers UK, with PSU's...

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Super Flower Leadex Platinum 1000W Fully Modular "80 Plus Platinum" Power Supply - Black
 

Out of stock

£189.95

(7)
Seasonic Prime Titanium 850W 80 Plus Titanium Modular Power Supply

The creation of the PRIME Series is a renewed testimony of SeaSonic's determination to push the limits of power...

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Seasonic Prime Titanium 850W 80 Plus Titanium Modular Power Supply
 

6 In stock

£229.99

(1)
Kolink Continuum 1200W 80 Plus Platinum Modular Power Supply

High quality 80 Plus Platinum power supply with gigantic 1,200 watt output + 12 PCIe connectors and five years warranty

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Kolink Continuum 1200W 80 Plus Platinum Modular Power Supply
 

Out of stock

£209.99

Super Flower Leadex Platinum 1200W Fully Modular "80 Plus Platin...

Super Flower one of the worlds leading power supply manufacturers is now available at Overclockers UK, with PSU's...

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Super Flower Leadex Platinum 1200W Fully Modular "80 Plus Platinum" Power Supply - White
 

Out of stock

£229.99

(3)
-8%
Corsair Mining Combo - 2 x 860W Platinum Power Supplies + Phante...

Want to mine but can't find a suitable power supply? OcUK have covered. By using the Phanteks Power Combo you can...

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Corsair Mining Combo - 2 x 860W Platinum Power Supplies + Phanteks PH-PWCOB_2P1M Power Combo - 1720W
 

7 In stock

Was: £467.98 £425.99

Corsair AX1500i Digital ATX 80 Plus Titanium Modular Power Suppl...

If you want the very best power supply on the market, look no further!

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Corsair AX1500i Digital ATX 80 Plus Titanium Modular Power Supply (CP-9020057-UK/RF) Refurb Unit
 

Out of stock

£329.99

EVGA SuperNova P2 1600W '80 Plus Platinum' Modular ...

Introducing the EVGA SuperNOVA 1600 P2 power supply. This power supply raises the bar with 1600W of continuous power,...

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EVGA SuperNova P2 1600W '80 Plus Platinum' Modular Power Supply (220-P2-1600-X3)
 

Out of stock

£389.99

(1)
Super Flower Leadex GOLD 1000W Fully Modular "80 Plus Gold"...

Super Flower, one of the worlds leading power supply manufacturers is now available at Overclockers UK, with PSU's...

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Super Flower Leadex GOLD 1000W Fully Modular "80 Plus Gold" Power Supply - White
 

Out of stock

£168.95

(1)
Corsair Professional Series AX 860W '80 Plus Platinum'...

The Corsair Professional Series Platinum is built to the highest quality standards with one aim alone: to deliver the...

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Corsair Professional Series AX 860W '80 Plus Platinum' Modular Power Supply (CP-9020044-UK)
 

6 In stock

£209.99

(2)
Seasonic Snow Silent 1050w '80 Plus Platinum' Modular P...

The Seasonic Snow Silent 1050w features an all white design, 80+ Platinum certification and class leading features...

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Seasonic Snow Silent 1050w '80 Plus Platinum' Modular Power Supply - White
 

10+ In stock

£249.95

Corsair CS850M 850W Semi-Modular 80+ GOLD Certified Power Supply...

The Corsair CS MODULAR Series deliver 80 Plus Gold-rated efficiency and feature flat black modular cables help ensure...

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Corsair CS850M 850W Semi-Modular 80+ GOLD Certified Power Supply (CP-9020086-UK)
 

10+ In stock

£129.95

Super Flower Leadex Platinum 1600W Fully Modular "80 Plus Platin...

Superflower, one of the worlds leading power supply manufacturers have added the Leadex 1600W Platinum to their...

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Super Flower Leadex Platinum 1600W Fully Modular "80 Plus Platinum" Power Supply - Black
 

Out of stock

£294.95

(3)
be quiet! Dark Power Pro P11 850W '80 Plus Platinum' Mod...

Dark Power Pro 11 is be quiet!’s most advanced PSU ever, delivering 80PLUS® Platinum efficiency, effortless Quad-GPU...

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be quiet! Dark Power Pro P11 850W '80 Plus Platinum' Modular Power Supply
 

6 In stock

£199.99

Super Flower Leadex GOLD 850W Fully Modular "80 Plus Gold" ...

Super Flower, one of the worlds leading power supply manufacturers is now available at Overclockers UK, with PSU's...

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Super Flower Leadex GOLD 850W Fully Modular "80 Plus Gold" Power Supply - White
 

Out of stock

£128.99

EVGA SuperNova G3 1000W 80 Plus Gold Modular Power Supply

EVGA SuperNOVA power supplies are well known for their extreme efficiency performance and reliability.

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EVGA SuperNova G3 1000W 80 Plus Gold Modular Power Supply
 

Out of stock

£184.99

EVGA SuperNova T2 1600W '80 Plus Titanium' Modular ...

Introducing the EVGA SuperNOVA 1600 T2 power supply. This power supply raises the bar with 1600W of continuous power...

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EVGA SuperNova T2 1600W '80 Plus Titanium' Modular Power Supply
 

Out of stock

£439.99

-9%
XFX Mining Combo - 2 x 750W Gold Power Supplies + Phanteks P...

Want to mine but can't find a suitable power supply? OcUK have covered. By using the Phanteks Power Combo you can...

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XFX Mining Combo - 2 x 750W Gold Power Supplies + Phanteks PH-PWCOB_2P1M Power Combo - 1500W of Powe
 

10+ In stock

Was: £277.97 £250.99

Kolink Core Series 850W 80 Plus Certified Power Supply

Extremely affordable 80 Plus power supply with 850 watt power and 4 x 6 + 2 pin PCI Express connectors.

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Kolink Core Series 850W 80 Plus Certified Power Supply
 

50+ In stock

£49.99

     
  BUZZ
Corsair AX1200i Digital ATX '80 Plus... Corsair AX1200i Digital ATX '80 Plus Platinum' Modular Power Supply (CP-9020008-UK)
Martin Review 3 May 2017 I had this PSU for 4 years now (since 2013) and it is still going strong. Never had any issues. I don't think I will even need another PSU :D more...
EVGA SuperNova P2 1000W '80 Plus Platinum'... EVGA SuperNova P2 1000W '80 Plus Platinum' Modular Power Supply (220-P2-1000-X3)
Steve Review 14 Apr 2017 Had this for quiet a while now over two years I think but haven't checked purchase date. Currently powering an overclocked I7 4790k, a GTX 1070 with a GTX 970 as a dedicated PhysX card... more...

PSU above 800 Watts

Power Supplies - The heart of every computer. Often overlooked and not given much thought when purchased, the power supply is one of the most important parts of your PC. Overclockers UK know that buying a reliable and good quality PSU is the key to a stable PC, which is why we offer a vast range of units from leading manufacturers such as SuperFlower, Seasonic, Cougar, EVGA, Corsair and be quiet!

Power Supplies in this section are all above 801W. Buying a unit from this section means you are looking at an intensive gaming or workstation system, with capacities ranging from 850W to the best of the best unit that is the OcUK exclusive SuperFlower 2000W '8Pack' Edition Power Supply. If you plan to run Tri or Quad SLI/Crossfire, this is the section you need to be looking in! OcUK also have some Titanium efficiency power supplies available within this wattage range, for those users demanding only the best.

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