6 Best CPU Water Block In 2021

Are you looking for the Best CPU Water Block? This is the right place for you. So keep on reading to know more.

Every PC enthusiast knows that the most important component in your system is the CPU. A water block, or water cooling block, is an essential part of any serious overclocking project.

It helps cools down the processor by drawing heat away from it and dispersing it into a larger area on top of the motherboard. The more surface area you have on top of your motherboard, the better – this will help increase performance while lowering temperatures at lower noise levels than air cooling solutions.

A water block is a heat sink that has been sealed against the CPU with liquid coolant, which then flows through it. The water block will have an inlet port for the transfer of liquid from the pump, and an outlet port to allow excess fluid to be discharged back into your system’s reservoir.

It can also contain one or more channels (sometimes called “fins”) on its surface, usually made of copper or aluminum. These channels are designed to increase airflow by providing more contact area between air and metal than would be possible without them.

A water block is a device that sits on top of the CPU and has channels cut out in it (sometimes called “fins”) which allow water to flow through it and transfer heat away from the CPU.

The problem with most water blocks is that you can only choose them based on their location; either front or back mount orientation. This post discusses what differentiates one type of water block from another so you can find out which one best suits your needs.

Top 6 Best CPU Water Block

1. Phanteks PH-C350I_BK C350I CPU Water Block

Phanteks PH-C350I_BK C350I CPU Water Block is a water block for CPUs that have been designed to be used with the Intel LGA 1151 socket.

This water block features a copper base an acetal top, which is built in such a way that it is easy to install on your motherboard without needing any extra fittings or tools. It offers excellent cooling performance and comes pre-installed with a thermal compound so you can get started straight away.

It comes with a universal mounting system that supports all modern Intel socket types including LGA 115x, 1366, and 2011. The copper base of the water block has been nickel plated to provide lasting protection from wear and tear while maintaining an aesthetically pleasing look. 

This water block can be used on all current Intel sockets 1366/1156/775 and AMD sockets AM2(+)/AM3(+)/FM1. It features a high flow design, which means that it reduces the amount of pressure needed to push liquid through the radiator, making it much easier to maintain higher levels of performance with less noise.

 The Phanteks PH-C350I_BK C350I CPU Water Block is made out of copper for excellent heat conductivity. This product also comes with an aluminum backplate, which increases the surface area to help dissipate heat even more efficiently.

It’s made with high-quality materials and the design of the water block will match most computer cases, so it’s easy to install. This water block has been designed from scratch for compatibility with all modern processors and motherboards, including Intel LGA 2066/2011(-3), AMD Socket AM4/FM2(+)/AM3(+).


  • Highly durable
  • Available in 2 variants
  • Two different finish options
  • Easy to integrate
  • Highly efficient
  • Comes with an RGB connector


  • Limited after-sales support.

2. EKWB EK-Velocity sTR4 CPU Block

EKWB is releasing the EK-Velocity sTR4 CPU block for Intel and AMD CPUs. This water block was designed to work with high-performance, high TDP CPUs such as Threadripper and Core i9. The design of this water block was based on the fact that most people prefer air coolers over liquid cooling when they are overclocking their CPU due to noise.

It’s the first-ever CPU block for this socket type that does not use any plastic parts on top of either base or cold plate. The result is an original, highly effective cooling solution boasting superb build quality, sophisticated design, and premium finishes.

It’s a full cover, high flow design that will provide you with the best possible performance. This block has been designed to work exclusively with Intel socket TR4 motherboards and CPUs.

It can be used in conjunction with any other products from the company’s extensive portfolio of products so it is sure to meet all your needs. 

The water block features a high flow design that maximizes its cooling performance and provides low hydraulic restriction, allowing users to push their hardware to the limit.


  • Highly versatile
  • Heavy-duty construction
  • Comes with an LED strip
  • Available in 5 different variants


  • The packaging could have been better

 3. Thermaltake Pacific DIY CPU Water Block

Thermaltake Pacific DIY CPU Waterblock kits are a great way to customize your PC. These water cooling systems come with a variety of different options to choose from, so you can optimize your system for the best performance possible.

The kit comes with everything needed to assemble and install the water block, as well as all necessary fittings and tubing. You can also opt for custom acrylic or nickel-plated copper blocks.

 It supports both Intel and AMD CPUs, with compatibility for the following sockets: LGA 2011, LGA 1156, AM2, AM3+, FM1, FM2. The water block features an innovative “sandwich” design that ensures maximum heat transfer to achieve the best performance results possible.

It’s designed for enthusiasts who want to have full control of their PC cooling, without the need for any additional hardware! This DIY kit will fit most modern CPUs and comes with everything you’ll need to build your own custom loop. 

 This DIY CPU water block from Thermaltake Pacific offers everything you need to get started and comes with all necessary installation hardware.

With this kit, there is no need for fancy tools or advanced knowledge of plumbing and cooling systems–just put it together using the step-by-step instructions included in the package.


  • RGB lighting
  • Easy to install
  • Compatible with AMD and Intel CPU socket
  • Excellent heat dissipation


  • Port quality could have been better

4. EKWB EK-Velocity CPU Water Block

EKWB has been in the water cooling industry for over two decades, and they know what it takes to produce a quality product. The EK-Velocity is their latest CPU water block that offers excellent performance at an affordable price.

It features a copper base with micro fins on top of it to provide maximum surface contact. This helps increase the heat conductivity while also providing excellent corrosion protection.

 This product has been designed to provide excellent performance, quality, durability, and thermal capacity for your processor. The features of the Velocity include external flow design which provides maximum heat dissipation; micro fin technology that improves cooling efficiency by up to 10% over traditional fin designs; low evaporation rubber sealing ring that prevents leakage of coolant into the computer case – this can decrease system temperatures by as much as 20 degrees Celsius.

This water block features a copper base and is made from high-quality materials for extreme cooling performance. It also comes with an RGB lighting system for all you enthusiasts out there who want their PC looking nice while they push it to its limits.

This product comes in two different size options, one to fit the LGA 1151 socket and one for AMD CPUs.

It has been designed to be easy to install and compatible with most of the latest Intel and AMD processors on the market today. The 3D design features a copper base that offers maximum heat transfer from your processor into your coolant while providing unmatched thermal performance.


  • Comes along with installation hardware
  • Compatible with most Intel CPUs
  • Sturdy construction
  • Highly durable.


  • Limited Instructions.

 5. BXQINLENX Professional Special CPU Water Cooling Block

The BXQINLENX Professional Special CPU Water Cooling Block is the newest product to enter the market. This cooling block is made of copper, with a special liquid-crystal polymer (LCP) coating. The LCP coating gives the water inside an increased surface tension and more contact area with copper than normal water would have. This leads to lower heat transfer rates and better performance overall for your computer. 

With the ever-increasing demand for high-performance computers, hardware engineers are looking to develop new ways of cooling CPUs. They have discovered that water cooling systems are up to 10 times more efficient than air cooling systems when it comes to heat dissipation.

The BXQINLENX Professional Special CPU Water Cooling Block is a great solution for today’s computer enthusiast who wants an easy way to cool their system without having to deal with messy chemicals or noisy fans.

It features high heat conductivity, low flow resistance, and a wide installation range. The copper base plate has been treated with nickel-plated mirror surface treatment to prevent corrosion and make it easier to clean.

This product also has an anti-corrosion agent that prevents the nickel plating from being dissolved by acidic substances like sweat or rainwater when in contact with skin or hair for extended periods of time.


  • Includes hardware
  • Consist of a large copper base plate
  • Compatible with Intel CPUs
  • Aesthetically pleasing


  • Inlets and outlets are not explicitly marked

6. EKWB EK-Supremacy Water Block

EKWB is a European computer liquid cooling company that specializes in high-end, custom water blocks for extreme enthusiasts. The EK-Supremacy line of CPU block has been designed to provide the best possible overclocking performance and thermal result.

This water block has been tested by enthusiast overclockers and benchmarkers for more than six months with no issues. It features a copper base that is nickel-plated and comes with thermal pads pre-applied for hassle-free installation.

The EKWB Supremacy Water Block has a low flow restriction so you don’t have to worry about any unwanted leaks or noise from your pump spinning too fast. If you want better cooling performance without breaking the bank, this water block may be right for you.

 The EK-Supremacy is their flagship product, and it offers all of these features and more! This block is made from copper with a nickel coating on the inside.

It also features an acrylic base which allows you to see your coolant flow through the block while looking great at the same time. This allows users to add another layer of protection from corrosion by using thermal grease instead of liquid metal pastes. The block also features preinstalled 8mm high-performance PWM fans, which makes installation easier and eliminates the need for fan screws.


  • Low flow design
  • Works with most modern Intel CPUs
  • Low noise
  • Can last for a long time


  • Packaging could have been better


If you’ve been considering a new CPU water block, the research we have put together in this blog post will be of great help.

We hope that by reading through our article on how to find the best CPU water block for your needs, you feel better informed and ready to make an educated purchase decision.

In addition, if there is anything else you would like us to cover about choosing a processor water block or any other computer component please let us know! Best CPUs for RX 6700 XT

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