It's true: Nvidia's GeForce GTX 1080 officially supports only 2-way SLI setups

The rumors were true: Starting with the GeForce GTX 1080, Nvidia is discontinuing official support for 3-way and 4-way multi-GPU SLI setups, rolling out rigid new high-bandwidth bridges that limit SLI configurations to just two graphics cards. Well, sort of. It's complicated. The new SLI HB connectors (shown above, which work only with Nvidia's new Pascal GPU-based graphics cards) occupy both SLI connectors on a GeForce graphics card in order to transfer data between them at 650MHz, compared to ...