You definitely need to buy the Contact & Sealing Frame because since it is conductive, if someone is not careful and applies too much, it can slip and fall onto the processor circuit, especially on AMD. And then it's game over...

As you know, it requires attention during installation but it does an amazing job in cooling. It spreads very easily and requires an excessively small amount on the CPU and cooler. I use it with the 14900kf and a triple NZXT liquid cooling. I don't know exactly when it will need to be replaced, but I know that for cleaning after a while, isopropyl alcohol and one more chemical are needed

So, I own a Lenovo S330 and for the past month, it was reaching 99°C and I thought it was going to be useless. After using this paste, it now stays at 45-55°C and the difference is incredible!

Attention!
1) It needs a copper surface to apply it, otherwise it will cause a problem.
2) It needs a very thin layer, as at first you will put less than a drop and it will be difficult to spread. If you spread it for 2 minutes with the special applicator, it becomes liquid and spreads. Don't put too much because it won't work, it's not like regular pastes.

I, who delidded my i7 8700k processor, saw a decrease of 19 degrees on the processor. We're talking about a huge difference!

Very good solution for anyone who wants maximum performance and knows what they are doing (due to material reaction and conductivity, it requires attention and reading).
I personally do not recommend it in general, only in the higher category, because you can get the MX-4 or a similar one that is much easier and safer to install with minimal side effects. You lose very little in performance but the convenience and safety you have are worth it. (we're talking about a difference of only 2-3 degrees.)

Well. In graphics cards r9280x, temperature reduction of 20 to 23 degrees in ambient temperature of 28. Pay great attention if there are capacitors next to the die, cover them with varnish before placing it. It absorbs from copper and damages the color without affecting anywhere else, but it destroys all other metals (except the die).

Watch 2-3 videos before executing. Recommend only for laptops and graphics cards

I installed it on an HP Omen laptop with an RTX 2060 and 9th generation i7. These laptops are known for their high temperatures. While gaming on ultra settings, the temperature would reach 99 degrees, resulting in full throttling. After installation, the temperature reaches up to 86 degrees, and with the cooler, it doesn't exceed 82 degrees. We're always talking about everything running at full capacity. I installed it myself, but anyone who tries it should know that they risk their computer in case of a mistake. It requires patience and calm movements.

It was installed on a first-generation Ps4 pro, which as known, makes a lot of noise in demanding games (God of War, etc.) and the difference is chaotic. Approximately 10db difference with a room temperature of 32c+. The issue, however, is that it requires a lot of attention in its application and can cause permanent damage. So it is worth it and more, but it is good to inform yourself about the risks before purchasing.

I have installed it on my PS4 Pro and the difference is significant. (Attention to placement, it is only for experts)

There has been a change in the Delided CPU that was running with it for over 2 years!!!
Great solution for low temperatures, but after a while it definitely leaves residue on the chip die, especially on the thermal paste that the processor's headspreader has (!!!Be careful not to spread it everywhere, only where you want it to stay on painted surfaces and it doesn't come off!!!) resulting in high temperatures over time, but nothing that can't be cleaned (with enough rubbing!) as long as it is a copper surface, not aluminum! After cleaning, the CPU is like new and stays at 28c idle even in the height of summer!!! 61c Max in games or anything else with triple AIO liquid cooling!
Very good!!!
Tip: transparent nail polish also helps! for protecting the processor's contacts to keep your mind at ease!!!

Attention! Do not put it on an aluminum heatsink, it contains gallium, which reacts and will corrode the heatsink and destroy it permanently.
Also, this is not a paste, it is liquid metal, like mercury (like the T1000 in Terminator 2!)

It is extremely electrically conductive, and you need to be very careful when applying it or you will end up crying over your motherboard...
The difference in temperatures is chaotic, under certain conditions it can lower the temperature by 20 degrees compared to a crappy thermal paste.
It is recommended only for extremely experienced users.

EDIT:
I also applied it to the GPU, look at the chaotic difference in the hotspot!

Do not use it with a heatsink whose base is made of aluminum. For example, if the base of the heatsink is copper and the fins are aluminum, there is no issue; what matters is that the part in contact with the processor is 'PURE' COPPER (or Nickel-plated).
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Also, I don't know (and it's not worth taking the risk to find out) if it can be used with heatsinks that have a base like the one in the photo, because I think the area between the heatpipes is aluminum and it may corrode.
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Edit: In my opinion, don't even bother putting it between the IHS and the heatsink, it's not worth it. Only if you do a delid might it make sense; on some CPUs you might see a difference, but there's also a risk. Personally, I only use it on the GPU core.

WARNING!!!! This paste is MAINLY FOR THE GRAPHICS CARD and for DELID CPU! NOT FOR THE EXTERIOR OF THE CPU! I mention this because most coolers ARE MADE OF ALUMINUM and this paste CAUSES OXIDATION!