Nvidia halts future support for three- and four-way SLI setups
Fans of extreme graphics setups, get your handkerchiefs ready. Nvidia is largely killing off its in-house support efforts for three- and four-way SLI. First, some background. During its Pascal announcement, Nvidia unveiled a new SLI HB (for "high-bandwidth") bridge that would be required for optimal GeForce GTX 1080 SLI performance at high resolutions. Later, in its GeForce GTX 1080 whitepaper, the company advised that two-way SLI would be the default supported multi-GPU configuration, and that three- or four-way SLI would require signing up for an "Enthusiast Key" that would need to be loaded into a GTX 1080 somehow.
That website never materialized, and now Nvidia appears to be dropping three- and four-way SLI support from future SLI profiles altogether. In a statement to PC Perspective ...