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❄️ Melt the heat, not your performance — stay cool, stay ahead!
Thermal Grizzly PhaseSheet PTM is a cutting-edge thermal pad featuring phase change material that solidifies at room temperature and liquefies at 45°C for optimal heat transfer. Designed for CPUs, GPUs, and other electronics, it offers exceptional thermal conductivity, non-electrical conductivity for safety, and long-lasting stability after multiple thermal cycles. Ideal for professionals seeking reliable, high-performance cooling solutions that adapt perfectly to uneven surfaces and maintain peak system efficiency.



| ASIN | B0DB84CQW6 |
| Best Sellers Rank | 1,509 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 1 in Thermal Pads |
| Brand | Thermal Grizzly |
| Cooler Heatsink Compatibility | CPU, GPU, and other electronic components |
| Cooler heatsink compatibility | CPU, GPU, and other electronic components |
| Country Of Origin | China |
| Customer Reviews | 4.3 out of 5 stars 1,454 Reviews |
| Global Trade Identification Number | 04260711991059 |
| Item Weight | 20 Grams |
| Item weight | 20 Grams |
| Manufacturer | Thermal Grizzly |
| Manufacturer Part Number | TG-PS-50-40 |
| Model Number | TG-PS-50-40 |
| Number of Packs | 1 |
| Unit Count | 1.0 count |
| Unit count | 1.0 count |
J**N
Simply put, it works and it's legit.
Works VERY well. I used this PTM on a Minisforum BD795i SE Motherboard so not a traditional CPU. It worked very well on direct CPU-die similar to how a GPU would work. I personally found it easy to apply but I can see people making mistakes if not careful when peeling. Temps are very good however it took around 3 days to finalise. At first then temps looked similar to before however they DID improve. I have tested genuine Honeywell PTM in the past and this performed identical. Great value and authentic.
C**N
Great performance, but not for ametuers.
Used this to replace the paste on both CPU and GPU on my Alienware X15 R2. Took 3 hours to do, and I also cleans the fans whilst everything was apart. Glad I did it, as the Element31 on the CPU looked like it was leaking out of the CPU dam. the GPU Paste was rather dry and crumbly. After completing the service, the laptop is running lots cooler (mainly the fan cleaning) but the GPU is also running cooler, and the i9 cpu is able to run up to higher clock speeds. It's been on for several days, has been getting better each day. 4 days after install, my CPU is now running with an average core temp of under 84C, when had multiple cores bouncing at 100C. For application I put it in the fridge for a couple of days before opening the case, used a pair of scissors to cut the sheet to the correct size for each chip and and was able to peel off the plastic without ripping things, though you do have to be careful with it, as it's thin and delicate. I feel confident that my laptop has been given a new lease of life, and it's running as cool as when I first got it. Whilst this stuff isn't cheap, I think the performance and peace of mind that I'm not going to have a gallium leak makes it worth the cost. Time will tell how long it will last, that said if I get 5 years out of it, I'll be really happy, and everything I've seen so far leads me to think that it's going to do that and a whole lot more. I'm interested to see what the temps are like when it stops bedding in.
A**J
Highend thermal compound for CPU delid-relid job, without electric shortcut risk of liquid metals
I delidded my i7 7800X, and put this staff between the core and the lid, as the paste applied by Intel was really bad quality. Custom watercooling loop with 1080Ti GPU. The loop is fine, as the GPU max was 40C. Before the job, the CPU went on 60-70C in idle, and peaks were well over 90C. Now idle 35C, in load 60-66, and no peaks at all. Easy to cut and apply on, it's just as sticky, as it needs to be. End one sheet could be enough for a CPU core (under the lid), and for a GPU. It lasts longer than paste, and it's not electrical conductor, but brings the same effectivity as the liquid metals. Price... it's not worse then other highend compounds.
C**S
Great product, put in freezer to harden up before applying
Works great in my processor, I changed the standard CPU bracket for my 12th gen to a contact frame for better contact with my all in one liquid cooler, and this phase sheet together has knocked about 15 degrees off my highs. It can be a bit of trouble putting it on if you do it with the phase sheet at room temperature, so put it in the freezer for 10 minutes to harden it up and make application easy. All in all, it’s great and one less thing to worry by having the thermal sheet cover all of the processor and not rely on a guess amount of thermal paste.
M**R
JUST MADE A MESS
RUBBISH. Just use a good thermal paste. I put this in the fridge for half an hour, managed to cut it to size and peel one side of the protective film away and applied the sheet it to the CPU, left it for time stated in instructions but when I tried to peel away the other side of the protective sheet it just made a mess and took a while to clean back off. WASTE OF MONEY.
L**U
Very good upgrade from regular paste
Very happy with the product . Decreased my 7900XTX GPU hotspot temps by 20* . Highly recommend it to anyone who has problems with overheating or high GPU hotspots . Is not very expensive but not cheap either . Good quality . Remember to chill it before use , I kept it in fridge for 10-15 minutes before applying it for easy handling and fitting . Is a bit fiddly to work with but take your time and you won’t regret after .
R**N
Works better than I expected.
I've always used thermal paste, but having bought an AIO, I thought I'd give this a go. Temps are well under control, and even under load during the recent record breaking heatwave, my CPU never went beyond 71 - 72C.
R**A
Fiddly as all hell - but colder than ice
Used this to repaste my old Razer blade 1070 (2018) That bad boy had some dried up paste and pads . This was a pretty simple swap - but I cant lie peeling this off the dies was a nightmare without it tearing. Its definitely good to work fast and while its cold - I made the "mistake" of heating up the PTM with a hair dryer to increase adherence to the CPU/GPU but i think it made it equally as hard to remove the final film layer - so I recommend reading the instructions (Cool it in the fridge) and watching some videos before hand and be PREPARED for the final refit before you take the plastic off - Great value for money and solid performance
G**P
Great product
Came in nice, neat packaging. Works very well.
J**N
Best seller…
Thanks its all good
A**C
THIS THING IS INSANE
I own a Lambda Tensorbook 2 (basically a Razer 15) for a few years now. Some days ago, I opened it up, and re applied thermal paste (MX-40) carefully on GPU and CPU. The improvement was significant, but it showed two hotter spots which were still causing some throttling. So I decided to try this product. I left it in the fridge about 10 minutes, cleaned the old paste, cut the sheet into two pieces for GPU and CPU, and applied the sheets over them. BOOM. 5 seconds. The peel is a bit hard to remove, technical tweezers helped. I cut it slightly bigger than the chips, and still got some left for a change in the future. TEMPS ARE INSANE! The PC sits now at 4300 MHz across all cores in PL2 (boost mode) with avg temp around 80 (more or less 20 seconds boost, 90 W), and at 3700 all cores in PL2 at about 60 degrees. ZERO THERMAL THROTTLING. The GPU couldn’t get hotter than 61 degrees in 5 minutes of test load. My fans are now basically never on. I am very happy with the purchase.
Z**.
More than ideal on gaming laptops
This stuff is actually great! I can’t speak for larger desktop cpu’s but I used it on my gaming laptop after my thermal paste dried up and was curious about PTM, this stuff works wonders there wasn’t much of a difference with my GPU temps since those were always fine but this lowered my laptops cpu temps from 20 degrees cooler which is more than ideal with how notoriously bad laptop heating is. If you have a gaming laptop or a laptop that heats fast this is a easy recommend and you’ll be more than happy with its results and how effective it is at handling temps
I**I
Muy buena opción para portátil
Todo perfecto, fácil aplicación y las temperaturas del portátil han bajado considerable.
Trustpilot
2 weeks ago
5 days ago