The Asus Zenbook S 14 (UX5406) is one of the first to feature the new Lunar Lake chips, and the switch to the new architecture has been a good one. It ticks all the boxes of an excellent ultrabook: lightweight, slim, sufficient performance for everyday use, and above all, autonomy. ... With this high-performance, durable machine, Asus has produced one of the best ultrabooks of the moment, powered by an Intel processor that marks a real turning point.