Introduced in 1976 the Pet 2001 featured the then new 6502 microprocessor. Commodore International would later buy the company that produced the 6502, MOS Technology. The pet was one of the first computers to feature a built in display. In it's base configuration it featured 4K of RAM (expandable to 32K) and a 8K BASIC in ROM. Programs could be stored on cassette. The selling price was about $595 with 4K and $795 with 8K. Commodore would later produce two very low priced computers the VIC-20 followed by the Commodore 64.