SLI can only be with 2 same cards - 2 x 560Ti or 2 x 770. They can be different brands eg msi gtx760 and asus gtx760. They can be different vram size and/or have different clock speeds
SLI can only be with 2 same cards - 2 x 560Ti or 2 x 770. They can be different brands eg msi gtx760 and asus gtx760. They can be different vram size and/or have different clock speeds