High Quality Content by WIKIPEDIA articles! The Dell Inspiron Mini Series was a line of subnotebook/netbook computers designed by Dell. The series was introduced in September 2008 amidst the growing popularity of low-cost netbook computers introduced by competitors, and now consists of the Inspiron Mini 10; with the numbers representing the approximate diagonal screen size in inches. The Inspiron Mini 9, Mini 10v, and the Mini 12 are now discontinued.