A version intended for business users was also created in 1987 and named the Mega ST. It featured more RAM, a real time clock, a blitter chip for faster rendering and a detached keyboard.
These machines were The Atari ST is famous for being:
*The first affordable modern computer: 16-bit CPU, linear memory, GUI, mouse, high resolution 640x400, 3.5inch floppies, hard drive connector. At much lower price than the Amiga 1000 or the Apple Macintosh.