SLI or Crossfire
Nvidia - SLI ( Scalable Link Interface )
AMD/ATi - CrossFire
SLI and CrossFire
SLI for Nvidia video cards and Crossfire for ATI video cards
Nvidia's version is called SLI, ATI's version is called Crossfire, or Crossfire X (newer version).
AMD's multi-GPU technology is called Crossfire.
Nvidia's multi-GPU technology is called SLI.
SLI and Crossfire
NVDIA SLI and ATI crossfire
ATI EyeFinity Technology (Now AMD EyeFinity) supports multiple video cards on the same System.
SLI technology
Scalable Link Interface (SLI) - by Nvidia Crossfire - By ATI
NVidia Corporation allows for SLI between 2 video cards installed and ATI Technologies incorporate the Crossfire technology to link identical cards installed even if the PCI-e specs are different, as long as you are running the monitor directly off the PCI-e 2.0 slot, the 1.o slot is merely an additional processor powered by the board or direct link to PSU.
For ATI GPUs, it's called CrossFireX. For NVIDIA GPUs, it's called SLI. More info check related links below.
There are more than two multiple graphics cards technologies available, but there's only two modern-day market techs. SLI by nVidia connects two or more cards together using a bridge cable / chip on the side of the card. CrossfireX by ATI connects two or more cards together using a bridge cable on the outside of the case.
No special action is needed. The process of installing multiple cards is the same as installing one. Just insert the card into an available expansion slot.
There are a few different electronic voting technologies. Some of which include using punch cards, optical scan voting system or a specialized voting kiosk which is slowing gaining popularity.
SCL scalable link interface
In the year 2010 the percentage of people with multiple credit cards is 68%.