Full Details on Amazon.com : http://www.amazon.com/gp/product/B00B3329MU?tag=tsukuyomi-20
C2G / Cables To Go 35573 4-Port DisplayPort USB Audio KVM Switch
Control and display 4 computers with a single monitor single set of speakers keyboard and mouse
Supports up to a 2560x1600 video resolution
Metal enclosure designed for durability and a long life
Supports manual or hot-key switching