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Product Description
Thermal Grizzly PhaseSheet PTM High-End Phase Change
PhaseSheet PTM is a thermal pad based on a Phase Change Material. The solid pads at room temperature can be easily applied and liquefy during operation, effectively dissipating heat like thermal paste while maintaining optimal thermal conductivity.
Optimal Adaptation
PhaseSheet PTM adapts perfectly to uneven surfaces, ensuring even heat distribution. In its liquid state, it has very low viscosity and retracts back to its solid form, mitigating the pump-out effect.
Consistent Performance Under Extreme Conditions
Even under extreme thermal loads, PhaseSheet PTM remains stable and delivers consistent cooling performance. Designed for high-performance systems, it ensures optimal temperature regulation even during intensive use. Available size: 50x40mm.
High-performance thermal pad with phase change material for optimal heat transfer
Easy to use and use
Package Content: 1 x PhaseSheet PTM Heat Pad
Excellent thermal conductivity for efficient cooling of CPU, GPU and other electronic components
Solid at room temperature, only liquefies from 45°C for easy application
Very low viscosity in liquid state for minimal thickness
Reduced pumping effect due to contraction during solidification
Non-electrically conductive, safe for sensitive electronics
Long-lasting performance with stable thermal conductivity after approximately 10 thermal cycles
Versatile in different cooling systems
Customers say
Customers find the thermal pad highly effective and appreciate that it keeps CPU temperatures low. The product receives positive feedback for its quality. However, customers disagree on how easy it is to apply. Additionally, durability is a concern, with one customer reporting issues with the applicator tearing off during use.
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13 reviews for Thermal Grizzly – PhaseSheet PTM (50 x 40mm) – High Performance Thermal Pad with Phase Change Material | Durable, Non-Conductive Electrical | For CPU, GPU and Electronic Cooling
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-10°c at a bargain price.
Didn’t think I needed this till I swapped my thermal paste for this. I’m running a 9950x3d on a custom loop, but was still hitting high 80’s. Installed this ptm sheet and now mid 70’s on a higher ambient temperature. Little tricky to install, but I put mine in the freezer for 15mins and went on easy.
Well worth the tricky install!
I wanted to see if all the hype around PTM (Phase Change Thermal Material) was real, so I decided to do some real-world testing on a laptop.For the test, I used a ThinkPad L14 with a Ryzen 7 PRO 5580u CPU. Before installing the PTM, I did a fresh repaste with Arctic MX-4 to give the standard thermal paste a fair chance. Under an AIDA64 stress test, the CPU held steady at 74°C at 100% usage. During PassMark’s performance test, the max temperature hit 83.5°C. Honestly, that’s already pretty solid for a laptop with this much power.Then I swapped in the Thermal Grizzly PTM. With the same AIDA64 stress test, temps dropped to 68°C, and the PassMark test peaked at 81.9°C. Not a massive difference, but still an improvement.The bigger surprise came when I used PTM on my ThinkPad X1 Yoga. That laptop always used to run hot with fans blasting at full speed during anything intensive. After applying PTM, it runs noticeably cooler to the touch, and the fans don’t ramp up nearly as much.Overall, I’m genuinely impressed. PTM is trickier to install than regular thermal paste, but the results are worth it—lower temps, quieter fans, and a cooler laptop.TL;DR: Harder to apply than paste, but gives real improvements in both temps and noise.
arrived in perfect condition and worked perfectly.
arrived in perfect condition and worked perfectly it is a little tricky to work with but patience and tweezers made the job a little easier, as soon as it starts to get up to room temperature it starts to soften and becomes more difficult to place, so you are better placing it in the fridge for approximately 20 minutes before you start working with it.
PTM is quite difficult to apply!
I applied PTM to both the graphics card and the CPU. I’m not sure what the CPU temperatures were before, but on the GPU, the temperature in FurMark dropped by 20°C. Installing PTM is a bit tricky — it can be easily damaged. Initially, one side tends to stick firmly to the red strip it touches (the manufacturer should really improve this).
Easier to apply than thermal paste once in the fridge prior to application
Product was surprisingly easy to apply. Make sure you put it into the fridge for 20-30minutes. After that it applying like a thermal pad, nice and easy. My ryzen 7435hs with rtx 4060 laptop started to get slightly to hot for my linking within 3 months of usage. Repasted it twice with good 13.8kw m paste, no joi. Phasesheet is a game changer, temperatures started to drop during first heat cycle.This is nothing else than honey well ptm, so you know you getting quality product. It was confirmed by thermal grizzly.
hard to apply
not worth the hassle
Great
This stuff is great however it does suffer from pump out unlike what everyone else says if you use an arctic freezer 3 with both intel and AMD don’t over tighten them otherwise the ptm pumps out, normally works great I’ve had 2 bad batches though but I’ve ordered like 20 total and 2 out of 20 is really good if I’m honest.
Brilliant, effective, easy.
Temps dropped by 10C after about 10 thermal cycles. Easy to install with a little patience, less messy than thermal paste, and has a 10+ year lifespan. Why would you ever use anything else?
This is a great thermal solution especially for laptop direct die applications.I repasted a Lenovo Legion laptop that originally had genuine Honeywell PTM7950 and this performs more or less the same.If you’re using this product to replace traditional thermal pastes like Arctic MX-4, you’ll see a great improvement in temperatures.
Çok aşırı memnun kaldım 3080 Ti kartımda uyguladım. Ciddi derecede hotspot sıcaklıklarım ve normal sıcaklıklarım düştü. Kart hem sessiz hem de serin çalışıyor. Biraz fiyatı tuzlu fakat ekran kartınızı tekrardan hayata döndürebilir.
Decided to try this instead of Honeywell one because that one is difficult to find. In terms of application and ease of use it’s pretty much the same as Honeywell. And I suppose performance wise as well because it’s been quite some time since I applied it and my gaming laptop has not thermal throttled or even needed to ramp up fans a lot. Overall it’s quieter, colder and stutter free.I highly recommend to ditch normal compounds and get this instead. Follow instructions carefully and remember to clean every part of your heatsink and cooling system properly because using this.
Excellent cooling. CPU maintained at 38C at idle versus 46C with cryosheet which found has uneven clamping when replacing to phaseshift.
Ich habe das Thermal Grizzly PhaseSheet PTM für meine RX 7900 XT XFX MERC 310 gekauft, da ich mit Wärmeleitpaste den extrem hohen Hotspot nicht in den Griff bekommen habe. Der Wechsel auf dieses Pad hat sofort eine spürbare Verbesserung gebracht:Vorher: Hotspot-Temperatur bei knapp 100 °CNachher: Hotspot stabil unter 80 °CTemperaturdifferenz von rund 20 Grad, ohne sonstige Änderungen am KühlsystemDas Pad passt sich nach dem ersten Erwärmen perfekt an GPU und Kühler an. Keine Lufteinschlüsse, kein Verschmieren, keine Sauerei wie bei Paste oder Flüssigmetall. Es ist nicht elektrisch leitend und somit auch bei empfindlichen Grafikkarten absolut sicher.Hochwertige Verpackung, sicherer VersandLieferung über Amazon blitzschnellVerarbeitung wirkt durchweg hochwertig, Pad lässt sich auch sauber erneut verwendenWichtiger Hinweis zur Anwendung:Das Pad muss exakt zugeschnitten werden – es darf nicht über die GPU-Fläche hinausragen, da sonst das Risiko eines Kurzschlusses besteht. Besonders bei modernen GPUs mit offenen Komponenten rund um den “Die” ist das kritisch. Wer damit keine Erfahrung hat, sollte sich unbedingt vorher ein Tutorial oder Anleitungsvideo ansehen. Das ist kein klassisches „einfach drauf und fertig“-Produkt.Fazit:Wer bei GPUs oder CPUs Temperaturprobleme hat, sollte sich das PhaseSheet ernsthaft ansehen. Der Preis ist höher als bei normaler Paste, aber das Ergebnis rechtfertigt das absolut – besonders bei GPUs, die thermisch an der Grenze laufen.