Tripp Lite B043-DUA8-SL 8-Port 1U Rackmount DVI/USB KVM Switch with Audio & 2-Port USB Hub

Net Controller B043-DUA8-SL is an 8-port, 1U rackmount KVM that lets you manage eight computers from a single DVI monitor and one USB keyboard and mouse. The unit includes audio support plus a built-in 2-port USB hub for sharing peripherals. You can expand capacity by adding an extra level of KVM switches — cascade up to eight additional B043-DUA8-SL units to control as many as 64 systems. Compatible with all major operating systems. Backed by a 3-year limited warranty.