Macintosh Plus 1Mb (Model M0001A), the third model in the iconic Apple Macintosh line, introduced on January 16, 1986. Technical Profile The Macintosh Plus was a significant evolution for Apple, being the first Mac to include a SCSI port for external hard drives and RAM slots for easy expansion. Feature Specification Processor Motorola 68000 @ 8 MHz (7.8 MHz) Memory 1 MB RAM, expandable to 4 MB Display Built-in 9-inch monochrome CRT (512 x 342 pixels) Storage One 800 KB 3.5-inch floppy drive; no internal hard drive OS Support System 1.1 through System 7.5.5 Collectors' Context Assembled in Ireland: The specific label in your image indicates this unit was manufactured for the European market, as it specifies 220-240V power requirements and mentions assembly in Ireland. Upgrades: Some "Plus" models are actually original Macintosh 128K or 512K units that were factory-upgraded by Apple. You can identify an original Plus by the "Macintosh Plus" branding on the front bezel; upgraded units often lack this branding but have the Plus logic board and back panel. - Item exactly as pictured - Professional packaging and shipping - Headquartered in Luxembourg, Item shipped from our warhouse in Italy.