Portable External GPU (eGPU) for Docks for Intel-based Mac Computers with Thunderbolt 3 Ports - Pro Graphics Performance Boosters! Do you have an Intel-based MacBook Air, MacBook Pro, Mac mini, iMac or iMac Pro with Thunderbolt 3 ports? If you need to run pro editing, rendering, color grading, animating and special effects apps, you need a graphics processing (GPU) power boost. Whether your computer completely lacks a discrete internal GPU or has a GPU without enough power to adequately support the needs of your current workflow, Sonnet has a pair of solutions that will instantly boost your computer’s graphics performance anytime and anywhere you need it. Why not pack a Puck?!