Aten 8-Port USB DVI Dual Link KVM Switch (CS1788) Price: $500.00 (as of 02/06/2019 15:46 PST- Details)

One USB console controls eight Dual Link DVI or VGA computers and two additional USB 2.0 devices
Supports both digital (DVI) and analog (VGA) video – mixed operation possible
Cascadable to three levels – control up to 512 computers

Usually ships in 1-2 business days