The Macintosh 512K enhanced (M0001E) was introduced in April 1986 as a cheaper alternative to the top-of-the-line Macintosh Plus, which had debuted three months previously. It is the same as the Macintosh 512K but with the 800K disk drive and 128K of ROM used in the Macintosh Plus. Like its predecessors, it has little room for expansion. Some companies did create memory upgrades that brought the machine up to 2 MB or more.

Manufacturer: Apple Computer, Inc.

Years of production: 1986—1987

Price: $2,000 (equivalent to $5,339 in 2017)

Operating system: 4.2

CPU: Motorola 68000 @ 8 MHz

Memory: 512 KB RAM (built-in)

Apple museum (Moscow, Russia)

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