640k

Submitted by Syv Ritch on 2. May 2007 - 23:00

640K ought to be enough for anybody.

— Bill Gates of Microsoft fame, 1983 when talking about the new Intel 80286 CPU.

The new Intel 80286 had a hardware limit of 1 Megabyte of RAM with only 640k that could be used by the user and the operating system.