How I got 7x graphical performance on my MacBook by adding a GTX 960 over Thunderbolt!\rbr\rbreGPU on MacOSOSX: \rbr\rbr▬▬▬ WHERE TO BUY ▬▬▬\rbrDISCLAIMER: The following links are Amazon Affiliate links. I recieve a small kick-back whenever you buy something from Amazon through these links.