Radio X3M ([ekstrẹ:m], Yle Radio Extrem) is a FinnishSwedish-language radio station, owned and operated by YLE. It is generally aimed at the youth audience, and the target audience is 15-30 year-olds. It was established in 1997.
X3M became one of the first Finnish radio stations to have online broadcast, it happened in 1998.
The studios of Radio X3M are located in Helsinki and Vaasa.