Please Note:The KVM Switch Pro supports Digital or Analogue video signals, however, it is not possible to use a mixture of Digital and Analogue video signals simultaneously.This advanced KVM Switch has been designed for use with PCs and Macs. It features DVI single link video ports and a two port USB 2.0 hub for connecting and sharing your peripherals. With full audio support, you can also connect your speakers and microphone.Unique Switching OptionsWith its all metal design, the KVM Switch Pro USB 2.0 Audio DVI-I is ideal for home or office use. The built-in 2 port USB 2.0 hub allows you to save money on additional devices by sharing your peripherals between the connected computers. The unique switching arrangement allows the USB hub to be switched independently of the computers. For example, you can print reports for work from one PC while playing games on the other!Please Note: Connection cables are not included. DVI, USB A to B, and 3.5mm jack to jack microphone and speaker cables are required for each connected computer. The maximum supported distance for USB, using standard cables, is 5m. For distances over 5m, use a Lindy USB Active Extension Cable.