75 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

£127.99

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 - Black
 

Out of stock

£128.99

(5)
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

XFX XTR 1050W Black Edition 80 Plus Gold Modular Power Suppl...

80 Plus Gold certified means that this XFX PSU has a power efficiency of up to 90%. Compare that to non-certified...

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XFX XTR 1050W Black Edition 80 Plus Gold Modular Power Supply - Black
 

2 In stock

£147.95

(4)
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
 

10+ In 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
 

10+ In 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)
 

10+ In stock

£132.95

(1)
-10%
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)
 

10+ In stock

Was: £184.99 £164.99

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 -
 

4 In stock

£379.99

(2)
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
 

6 In stock

£149.99

 
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)
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
 

10+ In stock

£172.99

(5)
 
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
 

20+ In stock

£86.99

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)
 

10+ In stock

£174.95

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)
 

3 In stock

£105.95

(1)
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)
 

5 In stock

£239.99

-9%
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)
 

10+ In stock

Was: £214.99 £194.99

(3)
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)
 

10+ In stock

£199.99

(1)
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
 

10+ In stock

£114.95

Super Flower Leadex GOLD 1300W 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 1300W Fully Modular "80 Plus Gold" Power Supply - Black
 

Out of stock

£184.99

(5)
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)
 

6 In stock

£214.99

(1)
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)
 

10+ In stock

£234.95

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)
 

7 In stock

£164.99

(2)
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)
 

4 In stock

£409.99

(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)
 

6 In stock

£199.99

Fractal Design Newton R3 1000W 80 Plus Platinum Modular Power Supply

Fractal Design Newton R3 Series power supply units (PSUs) provide clean power efficiently and silently. The Newton R3...

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Fractal Design Newton R3 1000W 80 Plus Platinum Modular Power Supply
 

Out of stock

£149.99

(2)
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)
 

8 In stock

£279.95

(1)
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
 

6 In stock

£189.95

(7)
-11%
XFX XTS 1000W 80 Plus Platinum Modular Power Supply - Black

The XFX XTS 1000W PSU is 80 Plus Platinum, Fully Modular and made by Seasonic, a brilliant combination at an...

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XFX XTS 1000W 80 Plus Platinum Modular Power Supply - Black
 

10+ In stock

Was: £157.99 £139.99

 
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
 

10+ In stock

£129.95

-20%
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
 

10+ In stock

Was: £149.99 £119.99

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 - White
 

7 In stock

£168.95

-14%
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

Was: £141.95 £121.99

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)
 

9 In stock

£196.99

(2)
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)
 

4 In stock

£329.99

(6)
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

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
 

3 In stock

£294.95

(3)
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
 

4 In stock

£224.99

(3)
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

XFX XTR Black Edition 1250W 80 Plus Gold Modular Power Supply

80 Plus Gold certified means that this XFX PSU has a power efficiency of up to 90%. Compare that to non-certified...

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XFX XTR Black Edition 1250W 80 Plus Gold Modular Power Supply
 

10+ In stock

£179.99

 
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
 

1 In stock

£192.95

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)
 

7 In stock

£329.99

(1)
Seasonic Prime 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 850W 80 Plus Titanium Modular Power Supply
 

10+ In stock

£234.95

(1)
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 - White
 

4 In stock

£189.95

(3)
EVGA GQ 1000W 80 Plus Gold Modular Power Supply - Black

Introducing the latest in the EVGA power supply lineup; the GQ series.

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EVGA GQ 1000W 80 Plus Gold Modular Power Supply - Black
 

6 In stock

£144.95

Antec High Current Gamer M 850W "80+ Bronze" Modular...

The HCG M features special heavy-duty High Current connectors and cabling that supply extreme levels of power, and...

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Antec High Current Gamer M 850W "80+ Bronze" Modular Power Supply
 

6 In stock

£104.99

Seasonic P Series 1000w '80 Plus Platinum' Modular Powe...

The Platinum Series features a high-tech LLC/full-bridge circuit topology with a unique integrated DC Connector Panel...

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Seasonic P Series 1000w '80 Plus Platinum' Modular Power Supply
 

3 In stock

£209.99

(3)
be quiet! Dark Power Pro P11 1000W '80 Plus Platinum' Mo...

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 1000W '80 Plus Platinum' Modular Power Supply
 

7 In stock

£219.95

     
  BUZZ
Antec High Current Pro 1300W "80+... Antec High Current Pro 1300W "80+ Platinum" Fully Modular Power Supply
Andrew Wakefield Review 22 Sep 2016 Super quality used for over a year always on overclocked equipment, most I have ever managed to get out is just over 1000 watts out of the socket so not close to what it can do, it ran co... more...
Seasonic Prime 850W 80 Plus Titanium... Seasonic Prime 850W 80 Plus Titanium Modular Power Supply
Craig Hutcheon Review 16 Sep 2016 Very quiet psu with no problems so far. 10 year warranty is amazing and i can see myself using this psu for the next few builds. Worth the extra money for it. 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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