ATEN CS19216 16-Port USB 3.0 4K DisplayPort KVM Switch with Rack Mounting Kit - 16 Computer(s) - 1 Local User(s) - 4096 x 2160 - 20 x USB - 1 x HDMI - Rack-mountable - 17 x DisplayPort - CS19216

One USB console controls up to sixteen DisplayPort interface computers and two additional USB 3.0 peripheral devices
Cascadable to two levels - controls up to 256 computers
Multi-Display feature - stack up to eight CS19216 units and display video from up to 8 monitors (dual display / triple display / quad display / multi-display)
Video DynaSync™ - an exclusive ATEN technology that eliminates boot-up display problems and optimizes the resolution when switching among different sources
EDID Expert™ - selects optimum EDID mode for smooth power-up and highest quality display
Supports a DisplayPort or HDMI video output - allows you to choose an appropriate video output and deploy console with flexibility
Superior video quality - up to 4K DCI (4096 x 2160 @ 60Hz)
Built-in 2-port USB 3.1 Gen 1 hub with SuperSpeed 5 Gbps data transfer rates
Audio enabled - full bass response provides a rich experience for 2.1 channel stereo sound
Supports HD audio