Full Details on Amazon.com : http://www.amazon.com/gp/product/B001AG300A?tag=tsukuyomi-20
ATEN 4-Port USB 2.0 KVMP Switch with Audio Support and Cables CS1734B (Silver)
Maximum video resolution 2048 x 1536 DDC2B
4-port KVMP switch with USB 20 support and 21 surround sound audio
2-port USB 20 compliant hub built in - Dual interface supports computers with PS2 or USB keyboard and mouse configurations
Display Emulation Technology -reads and remembers the monitors display parameters to maintain optimum display settings when switching between computers
Computer selection via front panel pushbuttons OSD On Screen Display or Hotkeys
