StarTech 2 Port Professional USB DisplayPort KVM Switch with Audio 3840 x 2400 pixels 4K Ultra HD 24 W Black. Supporting Displayport Connections With A Native Resolution Of 2560 X 1600 And Support For Both 7.1 Hd Digital Audio (When Connected To Supporting Displays And Sources) And 3.5Mm Stereo Analog Audio/Mic.
eBay