Editing Atari 8-bit computers (section)

=== Prototypes and vaporware ===
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* 1400XL: similar to the 1200XL but with a PBI, FREDDIE chip, built-in modem and a [[Votrax]] SC-01 speech synthesis chip. Cancelled.
* 1450XLD: a 1400XL with built-in {{frac|5|1|4}}″ disk drive and expansion bay for a second {{frac|5|1|4}}″ disk drive. Code named ''Dynasty''. Made it to pre-production, but was abandoned by Tramiel.
* 1600XL: codenamed ''Shakti'', this was dual-processor system with 6502 and [[Intel 80186|80186]] processors and two built-in {{frac|5|1|4}}″ floppy disk drives.<ref>{{Cite web |url=http://www.atarimuseum.com/computers/8BITS/XL/1600xl/1600xl.html |title=1600XL information |access-date=April 14, 2008 |archive-date=September 13, 2011 |archive-url=https://wayback.archive-it.org/all/20110913014906/http://www.atarimuseum.com/computers/8BITS/XL/1600xl/1600xl.html |url-status=dead }}</ref>
* 1850XL: codenamed ''Mickey'', this was to use the "Lorraine" (aka "[[Amiga]]") custom graphics chips
* 65XEM: 65XE with AMY sound synthesis chip. Cancelled.
* 65XEP: "portable" 65XE with {{frac|3|1|2}}" disk drive, 5" green [[Cathode-ray tube|CRT]] and battery pack.