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AirJet is a solid-state active cooling chip that can make a MacBook Air as fast as a MacBook Pro

By Kenny Yeo - on 28 Nov 2023, 9:51am

AirJet is a solid-state active cooling chip that can make a MacBook Air as fast as a MacBook Pro

The 15-inch MacBook Air.

Most notebooks use fans to help keep their processors cool, but Frore Systems has developed what it calls "a solid-state active cooling chip" that is small enough to fit into most notebooks to improve its performance under sustained heavy loads.

The active cooling chip is called AirJet and it measures just 27.5 by 41.5 by 2.8mm. It's very small. So small that its creators were able to retrofit a set of it into an M2 MacBook Air.

You'll notice the AirJet is referred to as a cooling chip and that it doesn't have any fans, so how does it work?

It's essentially an assembly of very small membranes that vibrate back and forth to create back pressure to move air across it. According to Frore Systems, AirJet generates over 10 times the suction force of a typical high-end notebook fan. 

This strong suction force also allows AirJet to be used with a more tightly packed heatsink for even better cooling performance.

An illustration of how AirJet works (Image source: Frore Systems)

The end result is that in CineBench tests, the 15-inch M2 MacBook Air performed just as well as a 13-inch M2 MacBook Pro which has a traditional fan cooling system.

Before you get too excited, Frore Systems does not intend AirJet to be a product for consumers, so you won't be able to run out and buy one and install it in your MacBook Air. Rather, this demo is a proof of concept that you can have active cooling in very thin notebooks. Or you could use AirJets in place of fans in notebooks and free up space for other components like batteries.

In other words, it sounds like they are hoping Apple would buy or license this technology from them. Of course, there's no stopping other notebook manufacturers from using AirJets in their machines. After all, this isn't a Mac-specific technology.

Source: Macworld, Frore Systems

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