A number of new machines were introduced along with RISC OS 2 and in May 1989, the 300 series was phased out in favour of the new Acorn A3000 (the 400 series was kept in production).
В мае 1989 года на замену серии 300 был выпущен новый Acorn A3000 (серия 400 по-прежнему выпускалась).