Complex sentence: The SGI Origin 2000, code named "Lego", is a family of mid-range and high-end servers developed and manufactured by SGI and introduced in 1996 to succeed the SGI Challenge and POWER Challenge.
Split into simpler sentences: The SGI Origin 2000, code named "Lego", was a family of mid-range and high-end server computers developed and manufactured by Silicon Graphics (SGI). They were introduced in 1996 to succeed the SGI Challenge and POWER Challenge.