Professional graphics cards are purchased separately by professionals to get 3D graphics performance that is superior to the graphics cards that come installed in their PCs.
The LINPACK benchmark program, running on the part of the system that employs 68, 544 CPUs installed on the K computer being configured, recorded the world's top performance of 8.162 petaflops.
One big obstacle in winning more of that business was Google co-founder Mr. Page, who objected to letting Google's advertising customers work with companies that installed "cookies" on people's computers for purposes of serving ads and tracking their performance.
Professional Graphics Cards are graphics cards purchased separately by professionals to get superior, faster 3D graphics performance from their PCs than they are able to get with the graphics cards that come installed with a computer.