What is SLI? How does it work? Is it better than a single card?
Nvidia Starts selling Sturdy SLI Bridges with LED lighting
Tested: The payoff in buying Nvidia's $40 SLI HB Bridge
Scalable Link Interface - Wikipedia
Nvidia N Card SLI Bridge Cable,AMD Crossfire Bridge X Fire PCI E Adapter for Gigabyte,GTX,ASUS,MSI GPU VGA Video Graphics Card|Computer Cables & Connectors| - AliExpress
NVIDIA GeForce GTX Titan X 12GB in SLI - Two is Much Better Than One | TweakTown