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PTM7950 Phase Change Thermal Pad
PTM7950 Phase Change Thermal Pad
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Description
At long last, the legendary Honeywell PTM7950 Phase Change Thermal Pads from this video are available on lttstore!
If you're looking for a thermal interface material that offers higher performance than standard paste, but you don't want to go through the trouble of something like liquid metal, this is a fantastic middle ground for any PC or DIY server installation. Many laptop manufacturers also go for a thermal pad rather than paste on CPU & GPU installs, so if your older laptop needs a refresh we've got you covered.
PTM7950 sources tend to be overpriced or unreliable in most cases, so we're super proud to offer an affordable, trusted source for this unique thermal material.
First time using a thermal pad like this? Check out our quick installation guide here
IMPORTANT NOTES:
Your thermal pad may undergo one or more phase changes during shipping, resulting in it arriving in a slightly deformed state. This is normal and will not result in performance issues of any kind after installation -- your heatsink will ensure even coverage.
In the event of any leakage from the product packaging, please contact customer support.
Unfortunately we cannot accept returns for thermal pads with open product packaging.
Product Information
Thermal Resistance: 0.04°C·cm²/W
Specific Gravity: 2.8 g/cm³
Size Guide










I bought an overheating 10850k, delided it, and used PTM instead of liquid metal as the TIM between the die and the heat spreader. And then PTM between the Heat spreader and the cooler. I expected this to just be a fun experiment, but it worked like a champ! It's over clocked, cool, and stable.
I've used this on multiple GPUs. The most recent was an OEM HP 3060 TI for a friend that started to thermal throttle while gaming. It now run 77C in furmark at 100% load and 50% (auto) fan speed.
This is just what I use now. No more Thermal Paste or Liquid Metal. When I took apart a PC for a CPU upgrade, the TPM used on it was scrapped off and reused. The temps where awful for a second while the PTM melted, and then was "like new" after a few burning cycles.
Why deal with a mess? PTM is nonconductive, long lasting, high performance...
It definitely works — the temperature dropped by 13 degrees!
The real deal at a great price. Performs exactly as expected.
Very good product
I replaced the stock Liquid Metal hybrid compound on an HP ah0097nr gaming laptop that has a 275hx cpu and a 5080 gpu.
The end results were surprising I was able to push the CPU very hard up to 130w P1 sustained with a cool mat blowing extra cool air. Before this change I had to lower the wattage to something like 75-85 to keep the temperature under 90. With the PTM7950 I got a similar temperature but at 130w P1 which was crazy.
The GPU on my laptop had temperature that’s were on par and better than stock it hovers around 75 C when doing heavy gaming.
Overall I am very happy with the PTM 7950 it really out performed my expectations by a long shot.
Also buying from LTT was worth it to know I am getting the real product. Amazon has lots of sketchy listings but who knows what’s real.
I bought the full sheet of it for $100 and I have lots of material left over. It did take me a few attempts to finally get it on in one piece but once I got the hang of it applying more would have been easy.
Overall I highly recommend this product especially for laptops.
