Buy thermal paste for your PC: what you should know and which is the best you can get

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The best thermal pastes that you can buy right now to use in the assembly of your PC.

If you have never built a PC, you may think that to create one you only need the most important parts, such as the processor, motherboard, RAM, SSD and graphics card. But there is always a great forgotten that is vital, thermal paste.

This product, important for processors to dissipate the heat they generate, many times it ends up forgotten and when you want to realize it, you have to wait for it to arrive. That’s why we’ve chosen the best thermal pastes you can buy right now.


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This necessary and vital product, both when it comes to building a new PC and when updating or tuning it, is not as expensive as it may seem and believe it or not, there are differences between brands and versions.

What is thermal paste

This product, which usually comes in a syringe, is a gray compound designed to conduct heat between the processor and a heatsink.

Normally it is applied on top of the processor, on its metal plate where information from the device comes, so that distribute heat evenly across the heatsink which is installed on top.

If the heat generated by the processor, which is normally between 45 and 60 degrees Celsius, is not applied, it is distributed unevenly, which generates a rise in temperature and a malfunction of the processor. In the long run, sometimes sooner than later, failures that end up breaking it.

Where is the thermal paste applied?

As a general rule, it is always applied to the computer processor. But it also applies to graphics processors when disassembled.

What’s more, to ensure that your PC works correctly, it’s not a bad idea that once a year (more or less) all the components are removed from the box and thoroughly cleaned. Among them remove the thermal paste from the processor and apply a new layer.

There are people who also usually remove the fan from their graphics card to clean it and in the process apply new thermal paste to their graphics processors. Taking into account that graphics cards are one of the products that generate the most heat, it is important that it is applied correctly.

Best: ARCTIC MX-5

ARCTIC MX-5

ARCTIC MX-5 It is one of the best thermal pastes on the market and practically anyone who does PC repair and tune-ups can confirm this.

It has a lower viscosity than previous versions of the same brand, so although it comes with a spatula to spread it, it is not really necessary.

A curiosity of this paste is that it comes in blue. It is not a detail that will cause it to work better or worse, simply differentiating.

This thermal paste can be found in a 4 gram applicator and with a spatula for 7.10 euros on Amazon.

From a recognized brand: Noctua NT-H1

Noctua NT-H1

Noctua is one of the most recognized brands of PC fans in the world thanks to the fact that they have managed to position themselves as a manufacturer of high-performance, silent and long-lasting fans.

They also make thermal paste like this Noctua NT-H1. It is easy to apply and clean, plus it is not electrically conductive or corrosive.

You can get it on Amazon for 8.90 euros in an applicator with 3.5 grams of product. In PcComponentes it costs 8,25 euros.

Best value for money: Corsair TM30

Corsair TM30

The Corsair TM30 thermal paste It has a low viscosity to make a better application and that it expands through the metal cover of the processor.

Made with a premium zinc oxide thermal material allows it to last for many years before it dries out.

You can get it on Amazon in an applicator with 3 grams of product for 5.25 euros. You can also find it in PcComponentes for 5.51 euros.

La más premium: Arctic Silver 5

Arctic Silver 5

If you are looking for a special thermal paste, of great quality and within of the premium category for very high performance, Arctic Silver 5 is the one you are looking for.

What is different about it? Arctic Silver 5 has a unique high-density fill of micronized silver and ceramic particles that improve heat conductivity.

You can find it with a dispenser of 3.5 grams of product, it costs 12,99 euros. If you go for a much larger size at 12 grams, the price goes up to 21,47 euros.

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Reference-computerhoy.com