The just-announced Surface Pro 4 tablet will use a liquid cooling system inside, and now an image and more information about that system has been revealed. The same kind of system will be used inside the Lumia 950 and 950 XL smartphones as well.
The information, along with a diagram of the system, was posted by Sean Org, who is a Senior Engineer at EMI Consulting and a major fan of Microsoft's Surface devices:
"The SP3 had all the heat concentrated in one spot (that hot spot in the corner). The SP4 actually boils/evaporates liquid inside a metal tube that touches the processor, and that vapor travels to two places inside the SP4 to condense back into a liquid: one to the fan, and the other under where the kickstand normally rests. The one under the kickstand allows the fan to rarely run, unless under extremely demanding tasks. So for web browsing, and normal day-to-day activities, you'll no longer have the fan run as you did in the Surface Pro 3. And when the surface is under pressure with the fan running, the heat will be more evenly distributed - not all concentrated in a big hot spot - making the SP4 feel a bit cooler."
Source: Sean Org (imgur)