The Onyx's basic system architecture is based on the SGI Challenge servers, but with the notable inclusion of graphics hardware.
onyx | SGI Origin 2000 | SGI Onyx2 | The Onyx Hotel Tour | SGI Origin 200 | SGI Challenge | Onyx (group) | Onyx Cave | ONYX | Onyx | SGI O2 | Queen of Clubs Trilogy: Onyx Edition |