The Razer Core V2 eGPU boosts your laptop’s graphics capabilities, just don’t expect the same performance as a gaming laptop with a similar video card.

So you’ve made the choice to purchase a computer but need portability. A laptop is an obvious choice but you also want to be able to game. Sure there are some pretty slick and specced out gaming laptops but you don’t want to have to replace it in a year or two because your video card can’t handle the latest games.
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https://techaeris.com/2018/11/04/razer-core-v2-review-improve-your-laptop-graphics-with-this-egpu-with-some-caveats/