Disclosed are a dielectrically negative, liquid-crystalline medium which contains a (first) dielectrically negative component (component A), which contains one or more dielectrically negative compounds of formula I and a further (second) dielectrically negative component (component B), and the use thereof in an electro-optical display, particularly in an active-matrix display based on the VA, ECB, PS-VA, FFS or IPS effect, and displays of this type.