Apple Macintosh 21-Inch Color Display

Apple's first large color monitor shows 1152×870, the same two-page area as the Two-Page Monochrome Display, in color. It uses a 21-inch shadow-mask tube with a 19-inch viewable area. It weighs about 80 pounds. It came out in October 1991 and was sold until 1994.

Released

21 October 1991

Look up a serial number