Gtx760m

lsdaaaa
GTX 960M (GTX970M can be a little expensive, I rarely saw mobile video cards in stores)

And where to order them at all?

lsdaaaa Changing the
vidyahu in a laptop is a rather painstaking business and usually the laptops themselves are sold. I don’t know where to order them, but you can change it on the radio market (if there is no instrument). I can recommend the model, but I’m using ordinary PCs.