They made most of their money on expensive hardware. Their workstation market was killed by Windows NT and OS X (later Linux too) running on mass-market CPUs on

They made most of their money on expensive hardware. Their workstation market was killed by Windows NT and OS X (later Linux too) running on mass-market CPUs once graphics accelerator boards became good enough. Their server market was killed by Windows and Linux running on mass-market CPUs. https://en.wikipedia.org/wiki/Silicon_Graphics#Decline https://en.wikipedia.org/wiki/Silicon_Graphics#Decline