Just insert both GPUs into 2 PCI-E slots, connect both GPUs via an SLISLIScalable Link Interface (SLI) is a brand name for a deprecated multi-GPU technology developed by Nvidia for linking two or more video cards together to produce a single output. SLI is a parallel processing algorithm for computer graphics, meant to increase the available processing power.https://en.wikipedia.org › wiki › Scalable_Link_InterfaceScalable Link Interface – Wikipedia bridge, download necessary drivers, and you are good to go. To have a boost in gaming performance, make sure said game supports Multi-GPU usage.