Best CPU Coolers for i7-9700K (2021)

Best GPU Coolers

You are familiar with the Core i7-9700K processor’s power, but what is the CPU cooler for i7-9700K processor?

You can apply upgrades to the i7-9700K already built-in cooler by installing an aftermarket liquid cooler, air cooler, or an AIO cooler. There are several CPU coolers for i7-9700K available in the market that can cause a 6-12% reduction in the temperature of i7-9700K. Here’s a list of the best CPU coolers for i7-9700K in 2021. See what the best fit for your CPU needs is.

  1. Noctua NH-D15 (Air Cooler)
  2. Corsair Hydro Series H150i PRO (AIO Cooler)
  3. Cryorig H5 Ultimate CR-H5B (In-Budget Cooler)
  4. Noctua NH-L12 (Low-profile Cooler)
  5. NZXT Kraken M22 (AIO Cooler)

1. Noctua NH-D15 (Air Cooler)

Noctua NH-D15 (Air Cooler)
Noctua NH-D15 (Air Cooler)

When it comes to the best CPU coolers for i7-9700K, the Noctua NH-D15 takes the lead. There is no competitor for this CPU cooler out there in the market. This is the best CPU cooler to keep a high-end rig as cool as it can get.

Among you guys who want to overclock your i7-9700K to 5GHz, then the Noctua NH-D15 is the best air cooler for you. However, the compatibility of Noctua NH-D15 depends on several significant factors like the PC case design, the general and thermal airflow, the overclocking factor, and the amount of voltage required per chip.

If you do not want to overclock your i7-9700K, you should go for a low-priced Noctua NH-D14 cooler. This will not sacrifice or cut-out your CPU’s performance but will save you a few dollars nonetheless.

The Noctua NH-D15 performance aligns with the performance of the 240MM AIO cooler for the i7-9700K. Also, it may start performing even better after a few hours of its usage.

2. Corsair Hydro Series H150i PRO (AIO Cooler)

Corsair Hydro Series H150i PRO (AIO Cooler)
Corsair Hydro Series H150i PRO (AIO Cooler)

The AIO (All in one) CPU coolers for i7-9700K processors are all made by the top brands. You do not need to go anywhere else as per the base for Asetek components are built with the same pump. Nevertheless, a few AIO coolers in the market do perform better than Corsair Hydro Series H150i PRO.

A few things to consider before you go on to buy the Corsair Hydro Series H150i PRO are aesthetics, price, reliability, and the radiator’s size to make sure whether it fits into your PC or not.

Having known all of this, we can say that in 2021, experts have declared that in the AIO category of CPU coolers for i7-9700K, Corsair Hydro Series H150i PRO is the best AIO cooler out there.

The users and the PC building experts say that it has an outstanding build quality, i.e. a massive radiator. It offers both impressive thermal performance in a tranquil fashion.

Although it is an expensive cooler compared to H150i Pro or the Kraken x72, however, in the AIO category, no one has the features and performance to beat it. Furthermore, Corsair Hydro Series H150i PRO’s installed software is way superior to the NZXT software installed in the x72 cooler.

3. Cryorig H5 Ultimate CR-H5B (In-Budget Cooler)

Cryorig H5 Ultimate CR-H5B (In-Budget Cooler)
Cryorig H5 Ultimate CR-H5B (In-Budget Cooler)

The Cryorig H5 Ultimate CR-H5B is the best in-budget CPU cooler for i7-9700K processor, and it can retain a very high-end performance by remaining within your budget. The Cryorig H5 Ultimate CR-H5B provides air cooling similar to the H5 Universal cooler except for a total depth of 140mm fan.

Cryorig H5 Ultimate CR-H5B being in the low budget category, does a great job keeping the temperature low during high usage, idle, and under load.

Experts say that if you are running your i7-9700K with a Cryorig H5 Ultimate CR-H5B cooler at 5GHz with core voltages being 1.3V, the Cryorig H5 Ultimate CR-H5B will keep the gaming temperature between the 50s to 60s. This is not just magnificent but also very admirable for a CPU cooler in such a budgeted range.

Talking about its installation, it is one of the most accessible air coolers to install and is very user-friendly. This can easily fit in the mid-tower case, and the ATX build cases because its height is 160mm and comprises 30-35mm of RAM tolerance height.

4. Noctua NH-L12 (Low-profile Cooler)

Noctua NH-L12 (Low-profile Cooler)

If you have an ITX build, where you have to use the micro-ITX motherboard and have a mini-ITX case, you must go for the Noctua NH-L12 (Low-profile). As per its small size, it can easily fit-in your mini-ITX cases. 

People who have a compact gaming setup have limited internal space. So, they have to think about what components they should use and utilize to fit their small form factor (SFF) build. If this is the case, then obviously, you cannot go for the top-variant Noctua NH-D15 as its size is more significant and will not fit in your compact internal setup.

The vital need for the airflow to remain stable and smooth requires a component that will aid in the heat release and reduction by allowing the air to escape freely from the compact space. This CPU cooler will affect the CPU’s performance after influencing the case thermals and temperatures.

Noctua NH-L12 (Low-profile) is what the experts recommend as the best CPU cooler for i7-9700K for a low profile ITX build. This CPU cooler will offer you the best TDP performance as per its size, will help in the heat-sinking factor by utilizing the A12x25 fans. Besides, the performance of the noise factor of Noctua NH-L12 (Low-profile) is also awe-inspiring.

Finally, it is essential to note that the Noctua NH-L12 (Low-profile) required you to install a VLP (very low profile) RAM to allow and give clearance for the A12x25 fan.

5. NZXT Kraken M22 (AIO Cooler)

NZXT Kraken M22 (AIO Cooler)

Following the AIO (All in one) trends of the CPU coolers, the NZXT Kraken M22 is also one of them at the lowest prices. In contrast to the CPU coolers, as mentioned earlier, NZXT Kraken M22 is one of the most deficient in price factor, ranking below the $100 range. 

It has a dynamic lighting experience and has an infinity mirror design. It cools your setup with liquid cooling. However, it is made up of only one fan, which is good to some extent but not recommended for overclocking. 

Experts say that its popularity is its user-friendly nature, where you can control everything with simple software via CAM.

 In the noise category, the NZXT Kraken M22 doesn’t make so much noise.

Final say

Well, if you are looking for the best CPU coolers for i7-9700K processors in 2021, then you can definitely go for Noctua NH-D15. It is the best available CPU coolers in the market if you don’t have a budget issue. However, if you want to stay in budget then you can browse the above mentioned CPU coolers to choose the best one that meets your needs.

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