Top 6 Best CPU Cooler for i7 8700K (Review)

The core components of a computer that determine its performance are the hardware parts, particularly the motherboard. Every time a computer processes data, a great deal of energy is utilized by the components of the motherboard, particularly the CPU.

With the technological advancements evolving, so do the requirements of the components in a computer. The more the capability of a computer, the higher the processing speed of its CPU. For a fact, the faster the CPU, the more heat it generates.

Best CPU Cooler for i7 8700K

The core i7 is a 7th generation processor and newer computer and laptop models come equipped with the latest accessories such as the latest fan. However, people with older computer models looking to upgrade their models need to buy newer fan models that can match the CPU's work rate.

Before making an investment on other components such as graphics cards, it is important to pick the latest CPU cooler. This allows the computer to support the latest CPU model as well as the graphics card. Keeping these hardware components at low temperature increases the longevity of the computer.

Best CPU Cooler for i7 8700K Review

There are the fan and heatsink models and the much newer liquid cooler models. In this review, we take a look at the 6 best CPU cooler for i7 8700k CPU models. 

1. Noctua NH-D15

Noctua NH-D15 - Premium CPU Cooler

$99.99
$89.95  in stock
16 new from $89.94
10 used from $ 72.34
Free shipping
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Features:

  • It his Whisper quiet
  • It has 6 heat pipe dual tower design
  • It has an expanded heat pipe layout
  • It has a widened fin stack layout
  • It has two fans
  • It has a Noctua Metal Case-Badge

    It is a fan and heatsink type cooler that provides a massive airflow that cools the surrounding motherboard components. This model is considered to be just as good as most liquid coolers while costing only a fraction of their price. Its large fans improve its cooling capabilities because of an increased airflow around the motherboard.

    This item has dimensions of 9.25 x 11 x 7.5 inches and weighs 2.87 lbs.

Pros:

  • It is cheap
  • It works silently
  • It has a Six-year manufacturer's warranty
  • It has a proven performance
  • It is compatible with most high-end RAM modules
  • It has a secure mounting system

Cons

  • It might be too big for some CPU builds

2. Cooler Master Hyper 212 Evo (RR-212E-20PK-R2) 

Cooler Master Hyper 212 Evo (RR-212E-20PK-R2) CPU Cooler

$34.99
$34.89  in stock
36 new from $31.25
4 used from $ 19.00
Free shipping
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Features:

  • It has heat pipes ideal for conduction
  • It has a balanced cooling performance
  • Its Fan Speed is: 600 - 2,000 RPM
  • It has 4 Direct Contact heat pipes with (Continuous Direct Contact) technology
  • The fan has a wave-shaped blade design

    This Fan and heatsink type cooler has its heat pipes combine into a virtual vapor chamber which is tightly packed to create a uniform surface. It allows the CPU to get cooled more evenly which increases the cooling performance.

    It has dimensions of 9 x 6.2 x 3.5 inches and weighs 1.3 pounds.

Pros:

  • It has four heat pipes
  • It has an aluminum fin structure
  • It allows excellent airflow thanks to a wide-range PWM fan
  • It is a versatile all-in-one mounting solution
  • It has a dual fan design

Cons:

  • The AM4 bracket is sold separately
  • It is difficult to install
  • It is not as quiet and sometimes rattles when running
  • To reduce the rattling, the computer might have to be placed on its side which
  • consumes even more space
  • Difficult mounting system

3. Noctua NH-L9i

Noctua NH-L9i, Premium Low-profile CPU Cooler for Intel LGA115

$49.99
$39.95  in stock
23 new from $39.95
3 used from $ 37.15
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Features:

  • It has a six-year manufacturer's warranty
  • It is Ultra compact
  • It is 39mm in height
  • It has a Low-Noise Adaptor for ultra-quiet operation
  • It has automatic speed control
  • It is easy-to-install

    A highlight of this heatsink and fan cooler type is that the custom designed backplate actually makes it easy to install thus allowing its compatibility with other CPUs other than the i7 8700k. It operates quietly with minimal noise while offering a high thermal resistance.

    It has dimensions of 3.74 x 3.74 x 1.45 inches and weighs 0.92 lbs.

Pros:

  • ​​​​It has a SecuFirm2 multi-socket mounting system
  • It is Fully compatible with tall memory modules
  • It has a sophisticated aerodynamic design measures thanks to its AAO frame design
  • It has an easy installation
  • It has a high-grade thermal compound
  • It has a Noctua Metal Case-Badge

    Cons:
  • It has a small 92mm fan
  • It is not suitable for overclocking which can damage the CPU because of rapid overheating
  • The fans are not as quiet especially after a few months (about 6 months) of using

4.CORSAIR HYDRO Series H100i PRO RGB AIO Liquid CPU Cooler

CORSAIR HYDRO Series H100i PRO RGB AIO Liquid CPU Cooler

$139.99
$129.91  in stock
36 new from $129.12
Free shipping
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Features:

  • It has a high cooling performance
  • It has powerful fans
  • It has RGB lighting
  • It has powerful and unique fans 

    It is a much sophisticated liquid cooling system that has a 240mm radiator that offers low noise cooling. The RGB lighting during its functionality creates a nice ambiance while the PWM fans provide good static pressure and great airflow to cool the CPU.

    It weighs 1.64 pounds and has dimensions of 10.87 x 4.72 x 16.81 inches

Pros:

  • iCue software controls the pump speed and fan speed hence the performance is customizable
  • It has LED pump head which produces vivid lighting effects
  • Its magnetic levitation feature delivers incredible airflow and static pressure at low noise levels
  • A Zero RPM profile allows the fans to stop entirely at low temperatures, completely eliminating fan noise
  • Compatible with many CPUs
  • Easy installation

Cons:

  • It gets loud after a few months of rapid and constant use

5. DEEPCOOL Castle 280 RGB 240mm All-in-One Liquid CPU Cooler

DEEPCOOL Captain 240PRO Addressable RGB AIO CPU Liquid Cooler

 out of stock

1 used from $ 130.64
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Features:

  • It has an affordable pricing
  • It has RGB lighting
  • It has 36 interchangeable lighting modes
  • It has a pure copper CPU block provides effective coverage and heat dissipation
  • It has double window panes

    It comes with double window panes which are built in plus a 16.7 M true color lighting system which provides a display of illumination. This perfect display of illumination plus its ultra-large copper block (pure copper) enlarges the heat contact areas while enhancing heat circulation for high performance.

    The bulky item weighs 1.96 kilograms and has dimensions of 33 x 25.8 x 13.6 cm

Pros:

  • It has a reliable AIO cooler
  • It supports both AMD and Intel socket mounting
  • The two fans can be controlled using a motherboard or a cable controller
  • It has 5 in-built effects (dynamic, static, breathing, comet, and fashion collision)
  • It has immersive ambient lighting

Cons:

  • It is bulky
  • It develops a rattle after using for a couple of weeks

6. NZXT Kraken X72 360mm - All-In-One RGB CPU Liquid Cooler

NZXT Kraken X72 360mm - All-In-One RGB CPU Liquid Cooler

$199.99
$179.49  in stock
16 new from $179.49
3 used from $ 149.99
Free shipping
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as of November 11, 2019 5:12 am

Features:

  • It is high performance
  • It has an attractive design
  • It has advanced lighting modes
  • It has Aer P radiator fans
  • It has Reinforced extended tubing
  • It has a 6 year warranty

    An infinite mirror design adds to its already impressive software control. Not only can the cooler be controlled from software on the computer, but it also shows data in order to help optimize the performance

    The item has dimensions of 12.4 x 1.18 x 5.63 inches and weighs 2.84 pounds

Pros:

  • It has an infinity mirror design that adds amazing color
  • It has fine nylon sleeves strengthen the rubber tubing
  • It has a silent operation
  • It is durable
  • It is powerful
  • It can be controlled and monitored from an app

Cons:

  • It is expensive
  • The pump is not durable which can cause the cooling system to malfunction
  • Its software can malfunction without notice and after using it for a while, the CPU might permanently get damaged

Editors’ Pick

Computers cannot function without dedicated cooling systems which ensure that the computer keeps an acceptable temperature level. If there is too much heat, the CPU will be damaged and replacing it with a new and more powerful one is costly. In fact, other components on the motherboard might also need replacement.

If a computer's overall performance is a priority, then a good CPU cooler is an essential investment. Most of the time, PC owners tend to upgrade their systems by increasing the RAM and buying a faster CPU. They often do this without considering to buy a cooling system that matches the performance of the new components.

Adding more RAM and a core i7 8700k CPU means that the PC will heat more rapidly than if it was running on a core i3 5500k CPU. Upgrading to a 7th generation processor also requires a cooling system that can either match the performance of such a CPU or do better.

As much as computers are designed to improve heat reduction, there is still a lot of heat that will be generated. Failure to ventilate the computer properly might result in serious damage. Even if a computer is well ventilated, the heat is produced so rapidly that even the moisture in the room would not be enough to get rid of all the excess heat.

It is why computer manufacturing companies invest in installing a separate cooling unit. These are designed to be more efficient and with further advancements in their development, the trend is slowly shifting to liquid cooling from the more traditional air cooling systems.

Air cooling systems were the earliest and most common systems, however, the computers are slowly shifting away from including hardware components such as disc drives (ROM) in favor of flash drives. This means that in a few years time, a majority of the computers in production will lack compact disc drives just as the floppy disks have been phased out.

Air cooling relies on the CPU fans and a heatsink. The heat sink absorbs as much heat as possible since the computer's ventilation can only get rid of a very small portion of the heat. A CPU fan then dissipates the heat which is forced out via the ventilation panels. This method is the most common because of the pricing factor where it only costs a fraction of the more expensive liquid coolers.

As for liquid coolers, they are quieter and offer better performance. While overclocking especially because of demanding tasks such as gaming might cause air coolers to malfunction, liquid coolers do a much better job. They offer heat reduction and they require far less maintenance. The design used is a closed loop system that means over time, there is very little risk of breaking and leaking.

If anything, the pump is more vulnerable and once it breaks down, all that is needed is to buy a new one and replace it. As for the liquid component, it remains in place with no change required.

Also, read - The 5 Best Motherboard for i7 8700K Review

Generally, heat moves from warm to cool objects and in liquid coolers, it is funneled to the cooling agent (liquid). Here it is recycled until it cools. In finding the best CPU cooler a myriad of factors is considered such as cost, CPU capability, computer use ie. gaming, office work etc.

The CORSAIR HYDRO Series H100i makes it to the top of this list among the listed CPU coolers because of its all-rounded dynamic features. Its powerful software allows users to adjust its RGB lighting which changes dramatically with the alternating fan speeds. When the pump speed changes it also delivers a static pressure plus an incredible airflow at very low noise levels.

There is a zero RPM mode feature which enables the same fans to halt entirely particularly at very low temperatures. This completely eliminates fan noise and allows it to function discretely. Its radiator dimensions mean that it is fully compatible with the i7 8700k and thus it does not require a backplate installation, but rather, it fits seamlessly.

Depending on the computer use, the fan speed can be set to either quiet, extreme, balanced, or zero. Otherwise, 'automated' is the default setting and the fan speeds change with the varying temperature.

The pricing on this CPU cooler is a bit costlier than other models. However, it is a great value for money because of its high performance, automation and customization capabilities. Since it is designed for heavy duty, it guarantees longevity particularly because it does not require a change of fluid. Instead, once in a very long while the pump system might need to be checked to ensure it is still in optimum functioning condition.

Air cooling systems are not nearly as efficient, considering that during intense activities such as gaming, the temperature drops by 20 to 25 degrees when the cooling is set at balanced. The only design change that is necessary is to have the pump tubes increased in diameter to allow more rapid cooling. With that being said, the cooling system's performance is top notch but it could be better and guarantee longer life if the tube design was more accommodating. Other than that, it is a highly recommended model.

A major factor most people consider while buying a CPU cooler is the overclocking. It is important to keep the frequencies high while ensuring that the thermal needs of the processor are met in order to prevent complete damage. While these days most CPUs have an RGB lighting system to help users determine the fluctuating temperature levels.

That is why the Deepcool CPU cooler makes it to the second on the list. There is RGB lighting on the pump head. The mirror design is one of its pros that accentuates the entire design making it look very presentable. While the thermal performance is about the same as some of the smaller 280mm coolers, it is up to 30 percent quieter.

It also means that the fans do not have to work so hard while cooling the system. Heat moves from warm to cool objects and in liquid coolers, it is funneled to the cooling agent (liquid). Here it is recycled until it cools. In finding the best CPU cooler a myriad of factors is considered such as cost, CPU capability, computer use ie. gaming, office work etc.

There is a zero RPM mode feature which enables the same fans to halt entirely particularly at very low temperatures. This completely eliminates fan noise and allows it to function discretely. Its radiator dimensions mean that it is fully compatible with the i7 8700k and thus it does not require a backplate installation, but rather, it fits seamlessly.

The pricing on this CPU cooler is a bit costlier than other models. However, it is a great value for money because of its high performance, automation and customization capabilities. Since it is designed for heavy duty, it guarantees longevity particularly because it does not require a change of fluid. Instead, once in a very long while the pump system might need to be checked to ensure it is still in optimum functioning condition.

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