Startech .com 4 Port USB DVI KVM Switch with DDM Fast Switching Technology and CablesControl 4 DVI, USB-equipped PCs with a single periph... SV431DVIUDDM - Corporate Armor
4 Port Dual DVI USB KVM Switch - KVM Switches | StarTech.com
IOGEAR - GCS1104 - 4-Port DVI KVMP Switch with Audio and Cables (TAA Compliance)
StarTech 4-Port DVI VGA Dual Monitor KVM Switch USB with Audio and USB 2.0 Hub - Walmart.com