thestryker Hopefully there will be some real world testing of this. I'm not sure that I'd spend the price premium for this one, but I've liked the phase change pads I've used to date. I've used them in my two machines that are on 24/7 as a way to minimize maintenance. I've tended to use longer lasting pastes, but these tend to have even better longevity and performance with the tradeoff being price. When Thermalright did a second variation of their pads they actually made them thicker. I noticed with this TG update the thickness seems to be the same, but the supported temperature range is lower. It will be interesting to see what else may have changed as the details were relatively sparse. Reply
bit_user Bigger image of the claimed results (click): I'm glad to hear about the ease-of-use improvements, as I was a little too careless in my first installation attempt and the sheet stretched & ripped in the attempt. The claimed performance improvements are quite thrilling, but I'm going to wait and see how Igor's Lab rates both its performance and pump-out resistance. BTW, a big downside of their first-gen product is how much work it takes to fully remove. Even when you think you've gotten it all, switching to a different solvent can reveal there's quite a bit more on there. I tried removing with isopropyl alcohol and the IHS seemed clean. Then, I switched to limonene and kept seeing more material transferring onto the cleaning cloths for a few more passes. Reply
bit_user Rand0m_Guy said: That's a very large improvement, too big that I dont trust it and going to wait for 3rd party tests. Yeah, the published results were using a test rig and not an actual CPU or GPU. It'll be interesting to see what Igor's Lab makes of it. Reply
bit_user gggplaya said: These sheets work better than paste when the heatspreader and heatsink has not been perfectly lapped flat. I've fixed a few video cards with the original version. That's not my experience. I found Artic MX-6 to slightly outperform the original TG PhaseSheet, when tested on a 5800X. gggplaya said: I was so impressed that I stopped using thermal paste. I use these on my laptops and desktop cpu's now too. I think PTM-type TIM makes more sense when you're doing direct-die, which is probably why it's popular in GPUs and laptops. Not to say it's bad on desktop CPUs, but just not as good as the best pastes. gggplaya said: I don't know if this chart is 100% true or biased, but these PTM sheets are the way to go with any build now. Nah, I used KryoSheet in a server build, since it has indefinite longevity. PTM might be very durable, but it's still susceptible to pump-out and degradation. If you want a truly maintenance-free TIM and KryoSheet works well enough for you, then it's a better option. However, it's not non-conductive and that can make it less suitable for direct-die cooling. Reply
PheckPhul Admin said: Designed for CPUs, GPUs, and other components without an integrated heat spreader, the PhaseSheet PTM Pro is reusable, electrically non-conductive, and less susceptible to the pump-out effect associated with traditional thermal paste. Exactly how is it "reusable" if it changes state with temperature? Is the thermal transfer material suspended in some sort of matrix? Reply
bit_user PheckPhul said: Exactly how is it "reusable" if it changes state with temperature? Is the thermal transfer material suspended in some sort of matrix? Yeah, it's a dubious claim. I guess you could scrape it off and re-apply the scraps, but my experience with the original PhaseSheet is that it's like putty when you first apply it, but then turns to a substance more like candle wax, when you go to remove it after it's been heat-cycled. I wonder if they're confusing it with graphene-based KryoSheet? But, even that isn't supposed to be reused, since mounting the heatsink on it creates micro-fractures. Reply
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- https://www.tomshardware.com/pc-components/thermal-paste/thermal-grizzly-launches-phasesheet-ptm-pro-with-improved-thermal-conductivity-new-thermal-pad-promises-easier-installation-and-better-cooling-performance#main
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