Macs are wonderful machine for video / photo editing, business, and various other applications. Not all of them are capable of handling graphic-intensive apps. The Blackmagic eGPU Pro is an external graphics card that lets you experience workstation-class graphics on your Thunderbolt-enabled Mac.
The unit has a Radeon RX Vega 56 graphics processor with 8GB of HBM2 memory. It has an aluminum enclosure and various useful ports, including 2 Thunderbolt 3 ports, 4 USB 3.0 ports, and HDMI & DisplayPort 1.4 ports. You can also use it to charge your MacBook.