How to connect an external graphics card to a laptop?

All kind time of day!
Want to ASUS N580GD to connect an external graphics card GeForce RTX 2070 Super to play modern games.
But I don't know which way is the best to choose. Connection through an external box or through a riser? EXP GDC? The external box is working via a Thunderbolt 3, and the EXP GDC via mini pci-e. Some of the interface has more bandwidth?
Connection via EXP GDC a more economical solution.
If you choose to connect via an external box, you can do without the external monitor, i.e., display an image on the laptop screen?
Thunderbolt 3 has a bandwidth of 40 GB/s. Enough of this speed for the GeForce RTX 2070 Super? Or what is the max video card I can expect?
April 3rd 20 at 17:38
1 answer
April 3rd 20 at 17:40
The external box is working via a Thunderbolt 3

This. Go for it.

Thunderbolt 3 has a bandwidth of 40 GB/s. Enough of this speed for the GeForce RTX 2070 Super?

For the eyes.

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