Aten 16 Port USB KVM Switch, 2048 x 1536 Maximum Resolution

The Aten KVM switch is a control unit that allows access to multiple computers from a single PS/2 or USB console such as keyboard, mouse and monitor. A single KVM switch can control up to 16 computers. As many as 31 additional switches can be daisy chained to each other, so that up to 512 computers can all be controlled from a single keyboard monitor mouse console.

Multiplatform support
Superior video quality
No software required
Two level password security