CS22U is perhaps the most popular 2-Port USB & VGA KVM switch. It offers superior video quality up to 2048 x 1536, DD2CB with multiplatform support for Window, Mac, Linux ans SUN and a simple and quick method of selecting computers via a built-in remote port selector.
Data Sheet
Aten CS1734B 4-Port USB 2.0 & VGA KVMP Switch with OSD and 2.1 surround sound audio, supports widescreen and up to 2048 x 1536 resolution. The switch comes with all the necessary KVM cables to connect 4 computers.
Data SheetManual