Aten US224 2-Port USB Peripheral Sharing Device - KVM-Switch Versand
USB 2.0 4 Port Peripheral Sharing Switch US224 ATEN, USB 2.0 compliant, support Windows, Linux ,Mac and Sun, Overcurrent protection, Hot pluggable, UK #1 KVM Market Leader - PC Maestro
NeweggBusiness - ATEN US424 4-Port USB Peripheral Sharing Device