STB Systems

American graphics card company that was one of the early leaders in PC add-in graphics cards — and which was acquired by 3dfx in 1999 in a move that helped accelerate 3dfx's collapse and Nvidia's rise to dominance.

Represents the graphics card ecosystem of the late 1990s that Nvidia had to navigate and ultimately defeat — a market with multiple competing players where Nvidia's superior product execution and business model proved decisive.