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Thermal Grizzly Kryonaut The High Performance Thermal Paste for Cooling All Processors, Graphics Cards and Heat Sinks in Computers and Consoles (1 Gram)

4.8 out of 5 stars 26,566 ratings

List Price: $11.99 Details
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Size: 1 Gram
1 Gram
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Item Dimensions LxWxH 25.2 x 25.2 x 7.6 inches
Brand Thermal Grizzly
Wattage 5 watts
Cooling Method Water, Air
Compatible Devices Laptop
Noise Level 14 dB

About this item

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  • EXTREMELY high thermal conductivity of 12.5KW achieved with even smaller particles, is perfect for even the most demanding configurations and can also be used in industrial cooling systems
  • THERMAL COMPOUND PASTE EASY TO USE - Thanks to a specially constructed syringe and a spatula for spreading thermal grease included. It guarantees a simple, pleasant and precise distribution of the paste on your processor or graphics card
  • LONG ACTION - Provides long-lasting effect, thanks to its characteristic and specialized structure, Kryonaut thermal paste does not dry out even at 80° Celsius degrees
  • SURPRISING EFFECTS - Already at the first use of this thermal solution, you may experience a drop in temperature, which will reduce the loudness of your equipment and improve the comfort of use
  • NUMBER 1 ON THE MARKET - Confirmed by many tests, the most popular choice meets the highest quality standards not only of standard computer users but also of avid Overclocking fans
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  • Thermal Grizzly Kryonaut The High Performance Thermal Paste for Cooling All Processors, Graphics Cards and Heat Sinks in Comp
  • +
  • Thermopad Thermal Grizzly Minus Pad 8 - Silicone, Self-Adhesive, Thermally Conductive Thermal Pad - Conducts Heat and Cools T
  • +
  • Thermalright Thermal Pad 12.8 W/mK, 85x45x1.5mm, Non Conductive Heat Resistance, Extreme Odyssey Silicone Thermal Pads for PC
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Product Description

Kryonaut Technical Details

Thermal Conductivity: 12,5 W/mk
Thermal Resistance: 0,0032 K/W
Electrical Conductivity: 0 pS/m
Viscosity: 120-170 Pas
Density: 3,7 g/cm3
Temperature: -250 °C/+350 °C
Consistency: Soft
Colour: Light-Grey
Standard Sizes: 1 g; 5,55 g; 11,1 g; 37 g
Thickness: Variable
Silicone-based: Yes
Typical Applications: CPUs, GPUs, Notebooks, ICs
Thermal Grizzly Aeronaut Thermal Grizzly Hydronaut Thermal Grizzly Conductonaut Thermal Grizzly Minus Pad 8 Thermal Grizzly Carbonaut
Thermal Paste Aeronaut Thermal Paste Hydronaut Thermal Paste Based on Liquid Metal Conductonaut Thermopad Minus Pad 8 Thermal Pad Carbonaut
Thermal Conductivity: 8,5 W/mk 11,8 W/mk 73 W/mk 8 W/mk 62,5 W/mk
Temperature: -150 °C / +200 °C -200 °C / +350 °C -100 °C / +250 °C -250 °C / +150 °C
Viscosity: 110–160 Pas 140-190 Pas 0,0021 Pas
Thermal Resistance: 0,0129 K/W 0,0076 K/W
Standard Sizes: 1 g; 3,9 g; 7,8 g 1 g; 3,9 g; 7,8 g; 26 g 1 g; 5 g

Product information

Size:1 Gram

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Customer reviews

4.8 out of 5 stars
4.8 out of 5
26,566 global ratings

Top reviews from the United States

Reviewed in the United States on March 14, 2019
Size: 1 GramVerified Purchase
274 people found this helpful
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Reviewed in the United States on July 21, 2019
Size: 1 GramVerified Purchase
174 people found this helpful
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Reviewed in the United States on July 24, 2020
Size: 1 GramVerified Purchase
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5.0 out of 5 stars Verified authentic product from seller Onyx PC
By G. Craig on July 24, 2020
I was not paid for this review, nor do I have any affiliation with any sellers on Amazon. This was purchased with my own money. After reading some reviews here, and purchasing a fake Thermal Grizzly product in the past, I would like to say that indeed I did receive an authentic tube of Kryonaut. Please be sure to check for the authentication in the package and verify the code via the Thermal Grizzly website.

Attached is an image of what I received in the package, and I have blocked out the serial number/code but confirmed it was indeed authentic. PLEASE be sure to check that you received an authentication card + be sure to verify.
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81 people found this helpful
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Reviewed in the United States on October 18, 2018
Size: 1 GramVerified Purchase
115 people found this helpful
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Reviewed in the United States on January 11, 2019
Size: 5,55 Gram /1,5 mlVerified Purchase
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1.0 out of 5 stars Appears that I got a fake / bad batch of thermal paste.
By Maverick on January 11, 2019
It confuses me that many people tomshardware, Gamer's Nexus, LTT, der8auer, etc, use this paste and get fantastic results, while I get worse than stock results.

I re-pasted my Overpowered 15+ laptop and as you can see in the pictures, before the re-paste I got about 80-83°C maximum temperatures. While after the re-paste I got 85-87° maximum temperatures. I have re applied the paste several times and gotten the same results.

I also used this paste on my desktop (didn't take screenshots) with a delidded 8700k and a H115i extreme and the results were:

Arctic Silver 5: 64-65° max
Kryonaut: 66-67° max.

The fact that I used this paste on both my laptop and desktop, and have also re applied the paste multiple times, leads me to believe that I am using the paste right (since AS5 performs better, *consistently*). And instead that the Kryonaut that I got is fake or a bad batch.
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95 people found this helpful
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Top reviews from other countries

Rahul Sachan
5.0 out of 5 stars Best decision to tackle over-heating in laptops
Reviewed in India on May 23, 2019
Size: 1 GramVerified Purchase
132 people found this helpful
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Joel A.
5.0 out of 5 stars Read review carefully before pasting.....😜
Reviewed in India on September 15, 2020
Size: 1 GramVerified Purchase
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5.0 out of 5 stars Read review carefully before pasting.....😜
Reviewed in India on September 15, 2020
So I had purchased Grizzly for my 3 year old Alienware 17 R4. After a lot of read thru and experiences (definately not enough) I decided to go for this instead of the Artic MX 2019.

As this was the first time taking my expensive laptop apart, I was naturally very tense, due to which mistakes were made as follows :

1. I applied too much paste on CPU. GPU was a bit more but OK.
2. Didn't pay close attention to the thermal pad replacement. (I thought if it works don't fix it)
3. Didn't do a good job in eyeballing the thermal pad contacts. (After final tightening some pads were not making contact with the chokes).
4. Didn't follow the number order when screwing the heat sink/fans back.

As can be seen for from the tests there is not a big drop in temps as "I was expecting". Unfortunately I did not take a pre application tests to compare, but from what I remember with the same tests conducted under similar conditions earlier, the CPU and GPU temps were in their mid to high 80s. So keeping that as a rough ref. 2 cores are giving 10 drop but 2 cores are almost the same (I learn this problem is specific to this laptop later), the GPU has a 10-15 deg drop which is really great. So did the paste work? yes it did but I was expecting the CPU temps especially to stay below 80 DEG mark 🤷.

With the 30% left over paste I decided to give another try with my wife's Acer Aspire 13" R3 laptop (used only 10% of the 30% paste this time). This laptop does not have any fan or vents, there is just a metal plate or heat spreader that dissapates the heat to the chassie. My wife used to complain that the laptop underside gets very hot after an hour of use. The temps used to hover 60-70 deg.
This time I guess I did it right, applied the correct amount of paste, placed ADWITs thermal pads where necessary, checked that all was good before the final placement. The results are great here, as can be seen the temps are almost the same in both tests, but if u see closely before Grizzly after 30 mins of test due to the excess heat generation the laptop is limiting the cpu freq to 880 mhz and average multiplier for 30 mins is *11. After Grizzly results show after 45 mins of test the average multiplier is *22 at the same temps, clearly indicating good heat dissapation. Moreover now thar laptop does not heat up at all on the lap. After 2 hrs the temps hover high 40s to low 50s, and most importantly wife is happy.... hehe

So the paste is Great, BUT does only 40% of the job, rest 60% depends on the applicator's competency 😎.

All the best guys and hope this helped....
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83 people found this helpful
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P.F.
4.0 out of 5 stars Très efficace mais...
Reviewed in France on May 17, 2018
Size: 1 GramVerified Purchase
Customer image
4.0 out of 5 stars Très efficace mais...
Reviewed in France on May 17, 2018
Cette pâte thermique est très efficace mais son gros défaut, c'est qu'elle abime la surface de l'ihs du cpu et du ventirad.... au bout de 2 ou 3 applications et nettoyages les surfaces se dégradent, comme si elles s'oxydaient... j'ai eu ca sur mes deux ventirads et mon cpu... la pâte nt h1 que j'utilisais avant ne m'a jamais fait ca...
Ce ne sont PAS des résidus de pâte mais bel et bien une dégradation de la surface
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112 people found this helpful
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Giux
2.0 out of 5 stars formato 1g inutilizzabile
Reviewed in Italy on October 26, 2018
Size: 1 GramVerified Purchase
74 people found this helpful
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LordReserei
3.0 out of 5 stars It's okay
Reviewed in the United Kingdom on March 23, 2019
Size: 1 GramVerified Purchase
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3.0 out of 5 stars It's okay
Reviewed in the United Kingdom on March 23, 2019
I finally gave in and decided to try this after various YouTubers promoting or being sponsored by the brand, and I wanted/needed to give my CPU some fresh thermal compound.

First things thing, I’m rocking a Ryzen R7 2700X at 4.1GHz with a CPU VDD of 1.36v. For cooling, I’m using a Cooler Master MasterLiquid Lite 120, with a Corsair LLL120 fan. As I ran out of my usual Noctua NT-H1, I’ll be putting this Thermal Grizzly Kryonaut against Cooler Master’s MasterGel that I had laying around from the MasterLiquid Lite 120.
Screenshots from HWMonitor included.

I also have a Phanteks P350X case with 2x Corsair LL120 fans in the top, and 2x Corsair LL140 fans in the front.

Unless I did something wrong, which I doubt. It seems as if there’s not a huge difference between the MasterGel and the Kryonaut. Which is a little disappointing. Although I didn’t look at the temps, you’ll have to take my word for it, that the Noctua NT-H1 gave similar temps. Max temps were done with a few consecutive runs of Cinebench R20.

With all of this said and done, I’d honestly say just go for Noctua’s NT-H1. It costs around the same, and you get 3.5g instead of just 1g with this. Although, I will admit, that applying the Kryonaut with the spreader was hassle-free...although could be done something else that’s plastic and has a straight edge.

Sidenote: The CPU and copper plate of the AiO were cleaned with Arctic’s material remover and purifier.
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20 people found this helpful
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