597 products found
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Mayhems Ultra Clear Watercooling Tubing (3/8 - 5/8) 16/10mm - 1m

Mayhems Ultra Clear Tubing (3/8 - 1/2) 16/10mm 1m, 16mm Outer Diameter, 10mm Inner Diameter

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Mayhems Ultra Clear Watercooling Tubing (3/8 - 5/8) 16/10mm - 1m
 

100+ In stock

£2.45

(1)
Mayhems Ultra Pure H2O 5Ltr

Mayhems Ultra Pure H20 is the cleanest, most pure water cooling fluid developed specifically with liquid- cooled PCs...

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Mayhems Ultra Pure H2O 5Ltr
 

27 In stock

£14.99

EK Water Blocks EK-RES X3 250 Reservoir

The RES X3 reservoir from EK CSQ design line is a refreshment towards new multioption reservoirs.

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EK Water Blocks EK-RES X3 250 Reservoir
 

6 In stock

£54.95

Mayhems Pastel - Ice White Coolant 1L

Mayhems Pastel range of coolants are the worlds No 1 branded Nano Coolant bar none for water cooling enthusiasts.This...

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Mayhems Pastel - Ice White Coolant 1L
 

6 In stock

£10.99

(2)
Mayhems X1 Clear Premixed Watercooling Fluid 1L

Mayhem’s are rapidly becoming the leading manufacturer of liquid cooling solutions in Europe. providing the water...

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Mayhems X1 Clear Premixed Watercooling Fluid 1L
 

46 In stock

£6.95

(1)
Mayhems Fine Silver Kill Coil

Mayhems Silver Coil is a Silver Coil made in the UK using the highest grade fine English Silver. Its is made with...

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Mayhems Fine Silver Kill Coil
 

24 In stock

£3.95

Mayhems X1 UV Black Premixed Watercooling Fluid 1L

Mayhem’s are rapidly becoming the leading manufacturer of liquid cooling solutions in Europe. providing the water...

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Mayhems X1 UV Black Premixed Watercooling Fluid 1L
 

11 In stock

£6.95

Mayhems Havoc 240mm Radiator - Black

Optimised to be the quietest and most effective cooling Radiator for your System., 240mm Radiator, Quad Reflow...

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Mayhems Havoc 240mm Radiator - Black
 

1 In stock

£24.95

Monsoon 50ml Reservoir (100mm) - Green

Preconfigured from Monsoon's branded MMRS (Monsoon Modualr Reservoir System), Total Height 100mm

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Monsoon 50ml Reservoir (100mm) - Green
 

1 In stock

£36.95

EK Water Blocks Filling Bottle (1000mL)

A handy 1L filling bottle that will let you fill even the most crammed systems with ease. The squeeze bottle can also...

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EK Water Blocks Filling Bottle (1000mL)
 

39 In stock

£6.95

Mayhems Pastel - Red Coolant 1L

Mayhems Pastel range of coolants are the worlds No 1 branded Nano Coolant bar none for water cooling enthusiasts.This...

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Mayhems Pastel - Red Coolant 1L
 

15 In stock

£10.99

Mayhems X1 UV Green Premixed Watercooling Fluid 1L

Mayhem’s are rapidly becoming the leading manufacturer of liquid cooling solutions in Europe. providing the water...

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Mayhems X1 UV Green Premixed Watercooling Fluid 1L
 

9 In stock

£6.95

Mayhems Ultra Pure H2O Watercooling Fluid 1L

Mayhem’s are rapidly becoming the leading manufacturer of liquid cooling solutions in Europe. providing the water...

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Mayhems Ultra Pure H2O Watercooling Fluid 1L
 

12 In stock

£3.95

EK Water Blocks EK-CoolStream SE 240 (Slim Dual) Radiator

EK-CoolStream SE is a slim high-performance computer liquid cooling radiator which combines EK's unique CSQ design...

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EK Water Blocks EK-CoolStream SE 240 (Slim Dual) Radiator
 

11 In stock

£52.99

EK Water Blocks EK-Duraclear Tubing 16/11 - Clear 1M

EK-Duraclear 11,1 mm (7/16") / 15,9 mm (5/8") transparent tube, Internal diameter (ID): 11,1 mm (7/16"), Outer...

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EK Water Blocks EK-Duraclear Tubing 16/11 - Clear 1M
 

22 In stock

£5.99

EK Water Blocks EK-CoolStream PE 360 (Triple)

EK-CoolStream PE is a high-performance computer water-cooling radiator which combines EK's unique CSQ design with...

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EK Water Blocks EK-CoolStream PE 360 (Triple)
 

10 In stock

£82.99

EK Water Blocks EK-XRES 140 Revo D5 PWM (incl. pump)

EK-XRES 140 D5 PWM (incl. pump) is a High-Performance water cooling pump with integrated reservoir. This unit offers...

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EK Water Blocks EK-XRES 140 Revo D5 PWM (incl. pump)
 

10+ In stock

£134.99

(1)
EK Water Blocks EK-XTOP Revo D5 PWM - Plexi (incl. pump)

EK-XTOP Revo D5 PWM is a high-performance liquid cooling pump. This unit offers increased hydraulic performance (up...

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EK Water Blocks EK-XTOP Revo D5 PWM - Plexi (incl. pump)
 

10+ In stock

£109.99

EK Water Blocks EK-Duraclear Tubing 13/10 - Clear 3M

EK-DuraClear 9,5 mm (3/8") / 12,7 mm (1/2") transparent tube, Internal diameter (ID): 9,5 mm (3/8"), Outer diameter...

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EK Water Blocks EK-Duraclear Tubing 13/10 - Clear 3M
 

23 In stock

£13.99

Mayhems X1 Blood Red Coolant 1L

Mayhem’s are rapidly becoming the leading manufacturer of liquid cooling solutions in Europe. providing the water...

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Mayhems X1 Blood Red Coolant 1L
 

15 In stock

£6.95

(2)
EK Water Blocks EK-UNI Pump Bracket (120mm FAN) Vertical

EK-UNI Pump Bracket (120mm FAN) Vertical is a vertical mounting adapter for installation of Laing D5 powered EK-XTOP...

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EK Water Blocks EK-UNI Pump Bracket (120mm FAN) Vertical
 

30 In stock

£12.95

Aqua Computer Temperature sensor internal/external thread G1/4

This temperature sensor has one G1 / 4 internal and external thread and is extremely space-saving, as it can be...

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Aqua Computer Temperature sensor internal/external thread G1/4
 

5 In stock

£9.98

EK Water Blocks EK-CoolStream PE 240 (Dual)

EK-CoolStream PE is a high-performance computer water-cooling radiator which combines EK's unique CSQ design with...

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EK Water Blocks EK-CoolStream PE 240 (Dual)
 

13 In stock

£64.99

Mayhems X1 UV Blue Premixed Watercooling Fluid 1L

Mayhem’s are rapidly becoming the leading manufacturer of liquid cooling solutions in Europe. providing the water...

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Mayhems X1 UV Blue Premixed Watercooling Fluid 1L
 

8 In stock

£6.95

(1)
Mayhems Aurora 2 Silver 1ltr

Mayhems Aurora 2 Brings the same jawdropping looks as the previous Aurora fluid, but is designed for a longer useage...

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Mayhems Aurora 2 Silver 1ltr
 

10 In stock

£9.95

EK Water Blocks EK-CoolStream XE 360 (Triple)

EK-CoolStream XE is a extreme-performance computer water-cooling radiator which combines EK's unique CSQ design with...

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EK Water Blocks EK-CoolStream XE 360 (Triple)
 

10+ In stock

£104.99

XSPC EX240 Dual Fan Radiator - Black

The EX series combines the low profile design of our RS series radiators with the high performance of our award...

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XSPC EX240 Dual Fan Radiator - Black
 

10 In stock

£41.99

(2)
Mayhems 15ml Biocide Extreme

Mayhems Biocide Extreme is the Ultimate Steriliser for performance water cooling systems. It prevents contamination...

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Mayhems 15ml Biocide Extreme
 

11 In stock

£4.49

(1)
XSPC Heavy Duty Hose Cutter (0-25mm)

Heavy duty hose cutter for PVC and PETG tubing.

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XSPC Heavy Duty Hose Cutter (0-25mm)
 

34 In stock

£6.95

Mayhems Blitz Cleaning System

Mayhems Blitz Cleaning System is the most comprehensive cleaning kit ever released for liquid cooling computers

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Mayhems Blitz Cleaning System
 

14 In stock

£19.99

XSPC EX360 120mm Radiator - Black

The EX series combines the low profile design of our RS series radiators with the high performance of our award...

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XSPC EX360 120mm Radiator - Black
 

15 In stock

£59.99

EK Water Blocks EK-UNI Pump Bracket (120mm FAN)

EK-UNI Pump Bracket is a mounting adapter for installation of EK-XTOP Revo D5 pump and EK-XRES Revo D5 to any 120mm...

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EK Water Blocks EK-UNI Pump Bracket (120mm FAN)
 

28 In stock

£7.99

(2)
Koolance Hose Clamp for OD 19mm (3/4in)

Reusable Hose Clamp for connecting 19mm (3/4") OD tubing to Koolance nozzle barbs.

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Koolance Hose Clamp for OD 19mm (3/4in)
 

18 In stock

£1.75

Coolgate CG480 480mm Radiator - Black

Introducing the latest innovation in Coolgates Radiator range.. Cheap to buy with a 3 Year manufacturer warranty and...

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Coolgate CG480 480mm Radiator - Black
 

Out of stock

£94.99

EK Water Blocks EK-CryoFuel Blood Red Premix Fluid - 900ml

The EK-CryoFuel is a new revolutionary coolant for PC liquid cooling systems.

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EK Water Blocks EK-CryoFuel Blood Red Premix Fluid - 900ml
 

5 In stock

£7.99

Mayhems X1 UV Red Premixed Watercooling Fluid 1L

Mayhem’s are rapidly becoming the leading manufacturer of liquid cooling solutions in Europe. providing the water...

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Mayhems X1 UV Red Premixed Watercooling Fluid 1L
 

10 In stock

£6.95

(1)
Mayhems Pastel - Blue Coolant 1L

Mayhems Pastel range of coolants are the worlds No 1 branded Nano Coolant bar none for water cooling enthusiasts.This...

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Mayhems Pastel - Blue Coolant 1L
 

11 In stock

£10.99

EK Water Blocks EK-XTOP Revo D5 PWM - Acetal (incl. pump)

EK-XTOP Revo D5 PWM is a High-Performance water cooling pump. This unit offers increased hydraulic performance (up to...

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EK Water Blocks EK-XTOP Revo D5 PWM - Acetal (incl. pump)
 

5 In stock

£109.99

EK Water Blocks EK-CoolStream SE 360 (Slim Triple) Radiator

EK-CoolStream SE is a slim, high-performance computer liquid cooling radiator which combines EK's unique CSQ design...

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EK Water Blocks EK-CoolStream SE 360 (Slim Triple) Radiator
 

15 In stock

£64.99

EK Water Blocks EK-RES X3 - Multiport TOP

The EK-RES X3 - Multiport TOP is an alternative top end cap for EK-RES X3 series reservoir which offers additional...

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EK Water Blocks EK-RES X3 - Multiport TOP
 

20 In stock

£14.99

Koolance Hose Clamp for OD 16mm (5/8in)

Reusable Hose Clamp for connecting 16mm (5/8") OD tubing to Koolance nozzle barbs.

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Koolance Hose Clamp for OD 16mm (5/8in)
 

18 In stock

£1.50

EK Water Blocks EK-RES X3 - TUBE 250 (204mm)

Replacement tube for EK-RES X3 series reservoirs.

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EK Water Blocks EK-RES X3 - TUBE 250 (204mm)
 

14 In stock

£18.95

EK Water Blocks EK-CryoFuel Clear Premix Fluid - 900 ml

The EK-CryoFuel is a new revolutionary coolant for PC liquid cooling systems.

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EK Water Blocks EK-CryoFuel Clear Premix Fluid - 900 ml
 

2 In stock

£7.99

EK Water Blocks EK-Duraclear Tubing 16/10 - Clear 1M

EK-DuraClear 9,5 mm (3/8") / 15,9 mm (5/8") transparent tube, Internal diameter (ID): 9,5 mm (3/8") Outer diameter...

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EK Water Blocks EK-Duraclear Tubing 16/10 - Clear 1M
 

25 In stock

£5.99

Components

Components for Liquid Cooling Systems

Watercooling is a huge part of the enthusiast culture surrounding PC hardware. Modders and Gamers look to water cool their systems for aesthetics and silent computing. 

Overclockers UK has a huge range of watercooling products from the very best brands available including Bitspower, Primochill, EK Waterblocks and XSPC, enabling you to build your own custom water cooling loop. 

The Largest Range Of Premium Quality Water Cooling Components

  • Our range of Radiators covers all bases from low FPI, high airflow radiators that are optimised for silence, over to high FPI performance radiators designed for maximum cooling.
  • No watercooling system would be complete without a reservoir and we have them in all shapes and sizes. From bay reservoirs to tube and pump mounted solutions, we have you covered.
  • Our pump range lists the most popular and reliable units from Liang and other performance brands ensuring you have a trouble free and reliable experience with your watercooling solution.
  • We stock hundreds of CPU, GPU, Motherboard, Memory, and HDD water blocks. The vast choice will enable you to choose the perfect water blocks for your water cooling loop.
  • In addition to this we have a large range of addons and accessories in our watercooling catalogue, from specialised fittings to acrylic tubing, that will allow you to make your cooling system just how you want it.
  • Overclockers UK also carries a massive range of performance and specialist coolants from tier one brands such as Mayhems, where research and development lead to excellent products.

We Are Happy To Offer Advice Where Needed

We are serious when we say that we cater for all kinds of PC users, including those who are new to water cooling and we actually encourage the venture into this huge scene. If you are unsure of your requirements, our highly-trained sales team are more than happy to help. Just give us a call on 01782 444455 and we can get you well on your way to building your first custom water cooling solution.

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