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❄️ Stay Cool, Stay Ahead — Thermal Grizzly Hydronaut Means No Limits
Thermal Grizzly Hydronaut is a premium 7.8g thermal paste engineered for high-performance heat conduction across large cooling surfaces. Ideal for overclockers and gamers, it supports air and water cooling on CPUs, GPUs, and major consoles like PS5 and Xbox Series X. Its precise syringe application, long-lasting non-hardening formula, and broad compatibility make it a top choice for maintaining optimal system temperatures and maximizing hardware longevity.












| ASIN | B00ZJSDB7W |
| Best Sellers Rank | #63 in Silicon Grease |
| Brand | Thermal Grizzly |
| Color | black |
| Computer Memory Type | DIMM |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,177) |
| Date First Available | June 13, 2015 |
| Is Discontinued By Manufacturer | No |
| Item Dimensions LxWxH | 9.84 x 7.87 x 5.91 inches |
| Item Weight | 0.275 ounces |
| Item model number | TG-H-030-R-2 |
| Manufacturer | Thermal Grizzly |
| Product Dimensions | 9.84 x 7.87 x 5.91 inches |
| Series | Hydronaut |
| Voltage | 12 Volts |
J**T
Thermal Grizzley Extreme paste
Product arrived on time and in perfect condition. I’ve used Thermal Grizzley products and they perform well. CPU temps are always at 29 C and lower at idle. Heavy gaming temps run at 60 to 70 C. CPU is an Intel 13900ks. Would recommend this thermal paste.
D**N
Great overall
Pretty straight forward product, the adapters make it really easy to get an easy spread, and for the price of 2 grams normally, pretty hard to beat for 8g of actual quality.
C**S
10/10 this product is great!
I've been using Hydronaut now for quite a while, I bought the big 26 gram tube the first time (unfortunately I lost it so I didn't get to use it all) and this time I bought the medium sized 7.8 gram tube. I used to use Arctic Silver 5 a long time ago and it was always pretty good but it never really lasted too long before it became a solid and then trying to clean it off always made a mess. Hydronaut always remains paste and even though you'd think thats messier its easier to clean because you know it isn't half solid/half paste. Arctic Silver always performed pretty well under heat but Hydronaut just takes it to the next level I don't unfortunately have any tests to show you for temps and things like that but I can at least say it dropped my temps 5c on cpu. Not to mention when I repasted my 3080Ti with it it dropped temps significantly (although thermal paste fromnthe factory is almost always designed for longevity not for performance)
J**A
Great Thermals
Great paste with my new AIO liquid cooler. Significant temp drops from air cooler with generic thermal paste. At least a 30 degree difference which feels insane.
L**N
Great stuff, much better GPU temps
I use this for both the CPU install and to refurbish a zotac rtx 3080 trinity oc I bought used. The gpu was a mining card and it ran HOT HOT HOT and consequently very loud when I received it. I thought I was going to burn the house down launching my computer into orbit by the insane force of the gpu fans gyrating at max speed. I thought I was SOL with my used gpu and my Skyrim ENB days were over, bummer. My son replaced the front thermal pads and noted the original thermal paste looked brown and cooked. A thorough clean and new Thermal Grizzly paste in a nice thin spread and the change is unbelievable. The gpu had totally gone stealth mode! Dropped temps 5 to 7 degrees, I can hardly hear the card at all, even when maxing it out. If you have a hot and angry gpu try this stuff and some gelid solutions thermal pads and get some peace!
P**D
love the spreader tips but I don't see enough difference from $13 GENNEL G2
Ok i have used a lot of different TIM for GPU"s i use for mining and i have used the supper cheap GENNEL G2 High Performance Thermal Paste that i think was $13 for a 20g jar and i used this and i mean A LOT OF THIS and i do not see any difference between the 2 but the Gennel actually seems to keep the GPU core cooler by like 3 to 4c but as far as the higher temps of the memory the temps are the exact same between the 2 so im going to be using the much cheaper Gennel little tub with spreader just have to watch using too much as going from a syringe to a tub it was harder to judge the amount you are scooping out cause its not as easy to put back without it getting everywhere not kidding i ended up with some across my forehead that my wife thought was funny but just dab the spreader lightly just the tip and ur great so i will be keeping the almost $10 difference as really the name is huge not for this paste but for their liquid metal and high end paste but this i feel is just a grab for cash from the name
C**S
Roman says thanks.
Der8auer approved purchase. Old school tech/enthusiast - I use nothing else.
W**E
Good purchase for long term builds and testing!
Reduced temps and application was very easy and smooth. I opted for pea application in the center of my R7 2700 and it dropped my temps idle by 5-7c compared to cooler master gel. On OCCT stress test it dropped my temps 10-15c! Great product. Used the GAMMAX RGB BLK 4 copper heat pipe cooler which doesn’t have the most level surface to adhere a cpu to. Very excited in the results.
A**H
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J**S
Boa perfomance a um custo mediano
Sua aplicação é muito fácil e a performance da pasta é ótima já desde o primeiro uso. Como a comprei por um preço promocional, creio que foi tudo de bom.
M**L
Pasta térmica profesional, densa y estable, ideal para GPU y refrigeración líquida.
Thermal Grizzly Hydronaut ofrece una excelente conductividad térmica de 11,8 W/m·K, pensada para sistemas de refrigeración líquida y GPU de alto rendimiento. Su formulación sin silicona y no conductora de electricidad (0 pS/m) garantiza total seguridad frente a cortocircuitos, incluso en equipos con componentes muy próximos. La textura es densa y estable, con una viscosidad de 140–190 Pa·s, lo que facilita una aplicación uniforme sin escurrirse ni secarse con el tiempo. Además, las dos boquillas tipo espátula incluidas permiten aplicar y nivelar la pasta directamente desde la jeringa, logrando un reparto homogéneo y limpio. En mis pruebas sobre una GPU con bloque de refrigeración líquida, las temperaturas se mantuvieron notablemente más estables bajo carga continua, confirmando su excelente transferencia de calor y durabilidad a largo plazo. Rango operativo de –200 °C a +350 °C, densidad de 2,6 g/cm³, y resistencia térmica de 0,0076 K/W — cifras que demuestran su calidad técnica y fiabilidad. En resumen, una pasta térmica de alto rendimiento real, segura, duradera y con un formato de aplicación muy práctico. Ideal para quienes buscan rendimiento y consistencia en equipos exigentes.
P**R
Used on GPU noticed difference immediately
I used this on my main GPU in my gaming PC and I noticed temperatures drop immediately after application and having tested with furmark over several successive passes. Pros: - Easy applicator - With proper installation you should notice the difference immediately - Great for GPUs or other scenarios where you need a non conductive non curing compound Cons: - Some wasted paste will end up in applicator after use if you need to seal up the tube (maybe have a cap for the applicator)? - Storage bag is rather large
T**R
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