Aten CS19216, 16- Port USB3.0 4K DisplayPort KVM Switch, Superior video quality, Cascadable to two levels-control up to 256 computers, Video DynaSync™The ATEN CS19216 16 Port USB 3. 0 4K DisplayPort KVM Switch can effectively access and control up to 16 DisplayPort computers from a single USB keyboard, USB mouse, and monitor console. With its dual interface console, users can choose between DisplayPort HDMI video output supporting high video quality up to 4K DCI (4096 x 2160 @ 60Hz), presenting crystal clear visuals. To meet the needs of easy expansion and flexibility, the CS19216 can be cascaded