8 Best CPU Cooler For I7 8700k in 2021 [Reviews & Buying Guide]

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Intel i7 8700K is said to be the best processor in the Coffee Lake line up. It has 6 cores, 12 threads, and higher core clocks than any of the AMD Ryzen chips. With an increase in cores, the demand for power consumption by the processor also increases. There is no doubt in saying that Intel i7 8700K is the best mainstream processor available in the market. 

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Intel i7 8700K also provides huge opportunities for overclocking, gaming, and handling productivity tasks. However, the processor tends to get hotter than some of the older Intel processors. To maintain its efficiency, we need a good cooler to keep the CPU cool. To save the processor from overheating and throttling issues especially when it comes to overclocking, we’re going to talk about CPU cooler for i7 8700k

What is the CPU Cooler? 

A CPU cooler is a tool designed to pull out the heat produced by the processor. A CPU cooler is meant to tone down CPU temperatures by taking the heat away from vital working parts without damaging the hardware. Thus, increasing the efficiency and maintaining stability of the system. It should be noted that there are additional noise levels produced when you add a cooling device to the system. 

AIO Liquid Cooler

‘All-in-one’ or AIO liquid cooler refers to where the coolant is passed in a loop via small pipes attached to the CPU. Heat is drawn out from the CPU onto a radiator where heat is dissipated outside of the system. This process runs in a continuous manner. Liquid coolers are considered more efficient and lower in noise. However, they can be heavier on pocket and trickier to install. 

Air Cooler

Air cooler comes with a big metal heat sink with a huge fan attached to pull away heat from the processor. Before buying you need to check whether dimensions are compatible and also the CPU’s socket type. Air cooler are popular because of their value for money. Air coolers are generally larger in size so you should have enough space to store them. 

Best CPU Cooler For i7 8700k Reviews

1. Cooler Master Hyper 212

 The Cooler Master Hyper 212 is one of the best air cooler for i7 8700k. The sleek Black Edition design not only makes it look appealing on the exterior but also enhances performance. The design includes Aluminium top cover and jet-black fins plated with nickel. It features copper base coupled with 4 heat pipes that suck out heat through direct contact technology. 

A smart fan sensor is embedded in a fan that stops the cooler from operating when cables are stuck and snagged. It can easily be mounted and removed whenever needed through snap and play design. The fans are balanced with stacked fin array to allow less resistance and cooler airflow into the heat sink. Cooler Master reduces power consumption and less noisy when overclocking. 


2. NZXT KRAKEN M22 liquid cooler

NZXT Karen M22 is one of the best CPU liquid cooler for i7 8700k. Despite the small radiator size, the cooler is effective in cooling with cutting down noise levels to a minimum. The design is sleek and looks great with high-powered lighting experience. Nylon sleeves are covered to strengthen the rubber Tubing and act as a layer to protect the cooler tubes from damage. 

The pump is redesigned for better performance than its previous generations. The device is integrated with CAM software technology that lets users have extra control over the system. A user can manage performance through desktop or mobile apps. One can modify speed and color and monitor pump speed and liquid temperature. 


3. Corsair Hydro Series

Corsair company has manufactured some amazing coolers in the market which can be regarded as the best liquid CPU cooler for i7 8700k. The cooler comes with dual 120mm fans that are easy to mount and LED RGB pump head for vivid lighting effects. The zero RPM technology will switch to power consumption mode when the cooling fan is not needed, thus eliminating noise. 

It promises ultimate performance by controlling fan speed from 400 RPM to 2,400 RPM. The PWM fans also bear magnetic levitation carry airflow and static pressure at low noise levels. It is integrated with CORSAIR iCue software that allows users to adjust RGB lighting, individual fan speeds, and pump speeds and monitor CPU and coolant temperatures. The software is easy to connect with any Android and iOS devices. 


4. Dark Rock 4 BK021

Whether you’re running your processor on stock or overclock basis, Dark Rock 4 cab be regarded as the quietest CPU cooler with a single-tower build. The device comes with six copper heat pipes for swift heat suction and dissipation. It is optimized with high CFM and wave-contoured cooling fins. The fan wings are 135mm in dimensions and are controlled by PWM modulation for speed variations and zero-RPM modes. 

Users can install an additional 120mm fan. It is coated with black ceramic that enables maximum heat transfer to the outside. The lack of an installation kit makes it easy to mount and install. Plus, the cooler top is laced with brushed aluminum with a diamond-cut finish. The manufacturers are giving out a 3-year warranty and a lifetime of customer support. 


5. Cryorig H7

The Cryorig H7 Tower Cooler is a great heat sink system. It comes with Proprietary Hive Fin System that optimizes airflow and air turbulence reduction systems. The fan has jet fin acceleration and symmetric mechanics to ensure maximum heat dissipation from the CPU. The system has 3 copper heat pipes. 

The fan is also laced with HPLNTM bearing for maximum airflow and reducing noise to minimum levels. It has Quad Air Inlet TM for air intake. The total height of the cooler is 145mm with fan dimensions of about 120mm, making the single-fan fit into any system easily. 


6. Noctua NH-U14S

Noctua NH-U14S is a highly acclaimed cooler and has won a lot of awards. The single-tower cooler can be easily mounted on any system through its SecuFirm2 technology. It has a multi-socket mounting system for most of the Intel and AMD systems. It works best to reduce noise when doing hardcore gaming with overclocking. Noctua NH-U14S comes with 6 heat pipes coupled with PWM support. 

The system doesn’t overlap with the RAM and PCle slots and has enough memory. It is slimmest cooler with 52mm perfect for heavy gaming. It has an NF-A15 premium quality fan with 140mm with compact features such as flow acceleration channels and aerodynamic design. The fan is stopped automatically when not in use due to PWM operation and zero RPM mode. 


7. Deepcool Gammax 400

DEEPCOOL GAMMA X 400 is one of the best CPU cooler for i7 8700k that provides thermal resistance. It comes with 4 copper high capacity copper heat pipes to eliminate maximum heat transfer. Direct contact of heat pipes with the CPU body reduces air resistance and adds more power. It has PWM function that controls the fan speed and blue lighting in the system. 

PWM controls also lets you enjoy high performance and noise reduction. The fan clips are designed uniquely to put the fan and heatsink together tightly. The fan clips also make mounting and removal far easier. The single tower fan passes airflow up to 74.34 CFM with blue lighting glowing when ported with CPU. It has room for an additional 120mm fan which can be installed by easily opening the clips. The fans of this cooler are controlled by pulse width modulation with the automatic speed variation and zero RPM functioning as temperature range varies to normal. 


8. Cooler Master MasterAir

MasterAir MA410M possess cutting edge technology in terms of multiple RGB lights, air-guide armor, and a Halo Hologram aluminum fin. It comes with 28 LEDs for multi-colored lighting that syncs with the motherboard. The aluminum fins are designed to create hologram spacing in them for RGB lighting to pass through. A special rainbow-style lighting effect is created when the cooler starts working. 

The heat dissipation is excellently done with the airflow rate of 53.38 CFM. The cooler has a specific guard armor installed for maximum heat dissipation from the base. The cooler supports direct contact technology (CDC) that enables less heat resistance and enough cooling. MasterAir cooler has PWM technology with low input voltage signals and accurate temperature sensing. It assesses the CPU temperature and pressure on zero RPM and full speeds by a sensor. 


The CPU Cooler For i7 8700k Buying Guide

A computer’s brain or in other words the most important part of a computer is its processor. It may sound funny but just like our brain computer’s brain also gets hot. In order to keep it cool and maintain the optimum performance, we use CPU coolers. Choosing the compatible CPU cooler for your processor ensures that it performs perfectly and doesn’t cross a certain temperature limit. 

Processors are becoming stronger every day and if you are using processors like i7-8700k it’s very important to get a suitable cooler to enjoy seamless performance. Now, we will take you through a buying guide which will help you to choose the right CPU cooler for your system. 

It’s very important to understand that you don’t need to overspend or underspend when it comes to CPU cooler you need to spend an amount which can perfectly help you buy the suitable cooler. If you overspend you might end up getting a cooler which your system won’t be utilizing fully and you can use that money to buy other essential accessories, while if you underspend you might end up getting stuck with a cooler that can’t cool your processor efficiently and hence results in underperforming computer system. 

We will discuss different points as we move forward in this guide but as a general rule, you will have to consider that the better processor you buy and the higher temperature rises in it, the better CPU cooler you will need. 

When it comes to overclocking Intel i7-8700k runs very hot and you will need to spend more and buy a powerful cooler otherwise you will face overheating and throttling issues. If you are just going to use a stock setting then you can buy a less costly CPU cooler and enjoy it. In other words, if you’re willing to push your system to its maximum potential then you will need a top-notch cooler but if you’re a regular user who plays some light games and does some basic stuff then a less costly CPU cooler you will need.

Air cooling or liquid cooling this question often bugs customers who are going to buy CPU cooler both of them have their pros and cons. We have tried to break this comparison down to help you buy the best cooler for your needs-

Liquid cooling pros:

  • Top-notch liquid coolers can achieve better temperatures than their air-cooling counterparts. 
  • They are compact and hence can be easily integrated in the system. 
  • They produce less noise as compared to air coolers. 

Liquid cooling cons:

  • They are expensive. 
  • Though this phenomenon is extremely rare but when liquid coolers break, they cause leaks. 

Air cooling pros:

  • They are value for money and offer a better price to performance ratio than liquid coolers. 
  • They are more durable and require less maintenance. Even if they fail/break down they don’t pose any threat to the system. 
  • They are easy to install you just have to plug them in, nothing complicated is needed to install them. 

Air cooling cons:

  • They are bigger in size so make sure you have ample space to install them otherwise you will have clearance issues. 
  • They are not very good for system that need extreme cooling.

When you buy a processor and a cooler you will find a TDP rating written on both of them make sure that the TDP rating on cooler is more than that of the processor. It will ensure that the processor doesn’t get overheated. 

Although most CPU cooler manufacturers produce CPU coolers that are compatible with most CPU sockets still there are plenty of CPU coolers that fit specific sockets.  So, you need to check that the cooler is compatible with the socket before buying. 

Let’s be practical here we live in a world which is focused on good looks and that’s why aesthetics play an important role when designing a system. Some builders prefer the slim looking AIO liquid cooler while others prefer the tough and bulky look of an air cooler. 

If you’re still unsure after reading the pros and cons of both the types then I suggest viewing some finished builds it will help you choose in a better way. 


It is difficult to tell whether a CPU can or cannot be cooled down without a cooler or fan. It depends on various factors such as temperature, case ventilation, or the orientation of the socket. 

Most of the products come along with installation manuals. You can also follow video installation guides on YouTube for better understanding. 

It is better advised to take off the cooler for safety reasons. The heatsink may get damaged due to stress, if you transport or ship it while attached to the system. 

Final Verdict

There are a lot of good options when it comes down to the best CPU cooler for i7 8700K. However, to break it down for you. We will suggest two products you should go for. 

If you want an AIO cooler then go for Corsair Hydro H100i Pro. It provides excellent cooling as it comes with zero RPM technology. It also has lighting effects and a software to control features for higher performance. 

For air coolers, we would suggest going for Noctua NH-U14S. It is internationally acclaimed, has multiple features, slimmest and light in weight. It has 6 copper heat pipes with PWM support and zero RPM mode.

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