The CS1644A 4-Port USB DVI Dual View KVMP™ Switch is a multi-application device that integrates a 4-port KVM switch with 2-port USB hub. The newest version now supports Quad-View functionality with two Dual View KVM Switches connected. 1 x CS1644A 4-Port USB DVI Dual View KVMP™ Switch 8 x (4 x 2L-7D02UD- 4 x LIN5-26W1-W11G) Custom DVI-D Dual Link Cable Sets (1.8m) 1 x 0AD8-1605-24M1 Power Adapter 1 x User Instructions