Genuine Asus ZenBook Pro 14x UX3404 power adapters are listed below, the difference so far, is the Asus ZenBook UX3404VA uses the 90w USB type C charger and the Asus ZenBook UX3404VC charges via the 100w USB-C charger, so if unsure, then use the Asus ZenBook 14x UX3404 ac adapter USB type C 100w, as this charging unit, will fit and charge all the smaller specifications also.