Currently there are only a few products that support 4 way SLI, with four video cards.
- Titan series
- 980 Ti series
- 980 series
- 970 series
- 780 Ti series
- 680 series
- 580 series
- 480 series
- 285 classified
There are a few video cards that will be capable of Quad SLI with only two physical video cards.
- Titan Z
- 690 series
- 590 series
- 295 series
- 9800 GX2 series
The following products are capable of 3 way SLI (apart from the product listed above):
- 780 series
- 770 series
- 760 series
- 670 series
- 660Ti series
- 570 series
- 560Ti series
- 470 series
- 465 series
- 285 series
- 280 series
- 275 series
- 260 series
- 9800 GTX series including GTX +
- 8800 GTX series