AMD CrossFireX technology and NVIDIA’s Scalable Link Interface (SLI) allows support for up to four graphics cards, and MSI Lossless 24-bit/192KHz HD Audio pushes 109 SNR dB of vivid 7.1 sound. The 970A-G46 AMD motherboard features NVIDIA’s SLI, allowing you to run up to four SLI-ready NVIDIA GeForce graphics cards as well as AMD’s CrossFireX, which supports up to four AMD Radeon HD graphics cards.