Summary Qualcomm's Snapdragon X2 mini-PC prototypes deliver desktop power in coaster-sized and modular forms. AirJet solid-state cooling uses ultrasonic vibrating membranes to cool tiny fanless PCs quietly. Snapdragon X2 benchmarks rival top chips - tiny ARM PCs could match desktop performance if produced. We've seen a whole lot of tiny PCs in all shapes, forms, and specs. At its event, Qualcomm showed off a couple of mini PC prototypes powered by the new Snapdragon X2 Elite and the X2 Extreme.