4 ms·

The datasheet[0] shows the device moving 8.5 watts at 85 Celsius. That doesn't sound like it's going to make laptop throttling a thing of the past. Maybe I'm no

The datasheet[0] shows the device moving 8.5 watts at 85 Celsius. That doesn't sound like it's going to make laptop throttling a thing of the past. Maybe I'm not understanding something. [0] https://uploads-ssl.webflow.com/6387c57559192a648478384e/6387c57559192a85f5783955_AirJet%20Pro%20Data%20Sheet.pdf https://uploads-ssl.webflow.com/6387c57559192a648478384e/638...

easygenes 4y ago
That’s for a single AirJet. They suggest using 3 of them for a 15” notebook.[1] That is enough for most ultrathins. 1: https://uploads-ssl.webflow.com/6387c57559192a648478384e/6387c57559192a13fe783954_AirJet%2028W%20Case%20Study.pdf https://uploads-ssl.webflow.com/6387c57559192a648478384e/638...
- zbrozek 4y ago
  So the stack is CPU, heat spreader, array of these products? It'd be nice if the datasheet showed performance curves across temperature and pressure as well.
  - winrid 4y ago
    The examples I've seen don't use a heat spreader, interestingly. A video demo had the CEO saying they depend on the velocity of the air to remove the heat quickly, so no heatsink required.
    - raihansaputra 4y ago
      It’s a bit confusing but from a YT video it seems the device still need a coldplate + heatpipe, and the airjet is stuck on the heatpipes themselves replacing cooling fins. The airjet itself blasts the air into it’s own internal coldplate from what I understand.
      - noisy_boy 4y ago
        That is correct - in response to the question about whether heatpipes could be removed, the CEO mentioned that their requirement is uniform distribution of heat on the copper plating on the airjet and putting it on the heatpipe helps achieve that so their plan is to stick it on the heatpipes.
        winrid 4y ago
        That makes a lot more sense to better handle fluctuations in load.
Tagbert 4y ago
It’s not enough to extract all the heat from a processor but it may be just enough to keep it from getting hot enough to throttle.
davidork 4y ago
seems iffy, might be useful alongside traditional cooling. 1. high frequency stuff to drive this thing might make noise an issue. 2. wouldn't it have to be integrated into the chip your cooling to optimize the effectiveness? 3. the wording leads me to believe their "performance" is cooling to noise ratio and not just cooling. IDGAF about noise as long as it doesn't sound like in a server closet, i just want to keep things under 90c with a margin for hot days, crapped out a/c. this is just a solid state fan. cool for sure, potentially very useful (industrial/embedded will probably love it), but marketing needs to calm down.
- pmarcelll 4y ago
  In the PCWorld interview on YouTube they even showed an unbranded Intel laptop cooled by these chips and also mentioned that multiple device manufacturers are planning to put this technology inside their products this year. So I highly doubt this high frequency noise is an issue. They also explained that the traditional arrangement of having a vapor chamber between the CPU and the active cooling to move heat also works with this design without losing efficiency, and this way they also can increase the cooling capacity by putting more chips next to one another.
- mort96 4y ago
  What's wrong with the marketing? It's marketed as solid state active cooling, where are they suggesting that it's more than that?
mort96 4y ago
Something like an M2 MacBook Air, which currently has no active cooling, would be quite a beast with 8.5W more headroom.

easygenes 4y ago

That’s for a single AirJet. They suggest using 3 of them for a 15” notebook.[1] That is enough for most ultrathins. 1: https://uploads-ssl.webflow.com/6387c57559192a648478384e/6387c57559192a13fe783954_AirJet%2028W%20Case%20Study.pdf https://uploads-ssl.webflow.com/6387c57559192a648478384e/638...

zbrozek 4y ago
So the stack is CPU, heat spreader, array of these products? It'd be nice if the datasheet showed performance curves across temperature and pressure as well.
- winrid 4y ago
  The examples I've seen don't use a heat spreader, interestingly. A video demo had the CEO saying they depend on the velocity of the air to remove the heat quickly, so no heatsink required.
  - raihansaputra 4y ago
    It’s a bit confusing but from a YT video it seems the device still need a coldplate + heatpipe, and the airjet is stuck on the heatpipes themselves replacing cooling fins. The airjet itself blasts the air into it’s own internal coldplate from what I understand.
    - noisy_boy 4y ago
      That is correct - in response to the question about whether heatpipes could be removed, the CEO mentioned that their requirement is uniform distribution of heat on the copper plating on the airjet and putting it on the heatpipe helps achieve that so their plan is to stick it on the heatpipes.
      - winrid 4y ago
        That makes a lot more sense to better handle fluctuations in load.

Tagbert 4y ago

It’s not enough to extract all the heat from a processor but it may be just enough to keep it from getting hot enough to throttle.

davidork 4y ago

seems iffy, might be useful alongside traditional cooling. 1. high frequency stuff to drive this thing might make noise an issue. 2. wouldn't it have to be integrated into the chip your cooling to optimize the effectiveness? 3. the wording leads me to believe their "performance" is cooling to noise ratio and not just cooling. IDGAF about noise as long as it doesn't sound like in a server closet, i just want to keep things under 90c with a margin for hot days, crapped out a/c. this is just a solid state fan. cool for sure, potentially very useful (industrial/embedded will probably love it), but marketing needs to calm down.

pmarcelll 4y ago
In the PCWorld interview on YouTube they even showed an unbranded Intel laptop cooled by these chips and also mentioned that multiple device manufacturers are planning to put this technology inside their products this year. So I highly doubt this high frequency noise is an issue. They also explained that the traditional arrangement of having a vapor chamber between the CPU and the active cooling to move heat also works with this design without losing efficiency, and this way they also can increase the cooling capacity by putting more chips next to one another.
mort96 4y ago
What's wrong with the marketing? It's marketed as solid state active cooling, where are they suggesting that it's more than that?

mort96 4y ago

Something like an M2 MacBook Air, which currently has no active cooling, would be quite a beast with 8.5W more headroom.