Asus M3N-HT Deluxe/Mempipe - Manual (Page 182)

6-2 Chapter 6: NVIDIA ® technology support
6.1.2 Graphics card setup
Installing three SLI-ready graphics cards
Install only identical SLI-ready graphics cards that are NVIDIA ® �certified.
Different types of graphics cards will not work together properly.
To install the graphics cards:
1. Prepare three graphics cards. �ach graphics card should have goldfingers for
the 3-way SLI bridge connector.
Goldfingers