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 to two levels to control up to 256 computers from a single console. Furthermore, the CS19216 supports multi-display function by stacking up to eight CS19216 units to compare and analyze information on 8 monitors at most, which substantially streamlines the working environment. Video DynaSync™ – an exclusive ATEN™ technology that eliminates boot-up display problems and optimizes the resolution when switching among different sources.