SLI requires the cards to have the same GPU and VRAM so a 1070 and a 1050Ti are not SLI compatible, plus the 1050Ti doesn't support SLI even with another 1050Ti.
SLI requires the cards to have the same GPU and VRAM so a 1070 and a 1050Ti are not SLI compatible, plus the 1050Ti doesn't support SLI even with another 1050Ti.