STARTECH 4 Port Dvi Vga Dual Monitor Kvm Switch SV431DDVDUA, 2 - Console Interface(s): 3.5 mm Mini-Jack (3 Position), 1 - Console Interface(s): DVI-I (29 pin), VGA (15 pin, High Density D-Sub), 4 - Console Interface(s): USB Type-A (4 pin) USB 2.0, Audio: Yes, KVM Ports: 4, PC Interface: USB, PC Video Type: DVI+VGA, Number of Monitors Supported: 2, Rack-Mountable: Optional, Cables Included: No, Daisy-Chain: No The SV431DDVDUA 4-port DVI VGA dual monitor KVM switch lets you control 4 Dual Display computers using a single USB mouse and keyboard peripheral set.