Scalable Link Interface, a technology for connecting multiple graphics cards to work together in parallel.
Acronym coined by NVIDIA in 2004, standing for Scalable Link Interface. The term was created specifically for their multi-GPU technology, borrowing 'scalable' from computing and 'interface' from general technology terminology.
SLI represents the gaming world's pursuit of ever-greater visual fidelity - by linking graphics cards together, gamers could theoretically double their frame rates. However, the technology has largely fallen out of favor due to poor game optimization and diminishing returns.
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