Control 2 Dual Link DVI, USB (Universal Serial Bus) 3.0 equipped PCs with a single monitor, keyboard, mouse & audio peripheral set. The SV231DLU3A 2 Port Super Speed USB (Universal Serial Bus) 3.0 Dual-Link DVI KVM Switch with Audio & Cables lets you control 2 DVI, USB (Universal Serial Bus) 3.0 equipped PCs with a single monitor, keyboard, mouse & audio peripheral set.