Nvidia primarily sells Graphics Processing Units also known as graphic cards for a computer. Nvidia also provides motherboard components for various manufactures.

Nvidia's GTX 295 graphics cards has two graphics processing units (GPUs) with 240 cores each. This card can calculate at nearly 2 teraflops.

GoForce

Its a GPU (a Graphics Processing Unit) card used to handle graphics in a PC. Its the fourth generation series, made by Nvidia. Its needed if you want to play high end PC games, which demand heavy graphics processing.

An SLI setup from nVidia -- this connects two graphics cards to greatly increase your system's graphic processing capability.