The B043-DUA8-SL NetController 8-Port, 1U rack-mount DVI/USB/Audio KVM Switch is a highly-flexible enterprise-class KVM Switch. Control up to eight directly connected computers, or expand the number of connected computers to 64 by cascading up to eight additional B043-DUA8-SL KVM switches. Switch between connected computers via push buttons or keyboard hotkey commands. Other features include: Audio Support, 2-port USB hub for peripheral sharing among switched computers and DVI Single-Link resolutions at 1920 x 1200. Mounts easily in a standard 19-inch rack/cabinet and includes all necessary mounting hardware. Compatible with all major operating systems. Constructed of heavy-duty steel housing.

Directly connect up to 8 computers with DVI, USB, and audio.
Expand the number of connected computers by cascading an additional level of KVM switches.
Supports 2.1 Channel Stereo Audio and microphone.
(x2) USB 2.0 ports for sharing peripherals among connected computers.
USB hub functionality can be unbinded from the KVM, allowing users to access one computer while the USB hub focus remains on another computer.
Switch between connected computers via pushbuttons or hotkey commands.
DVI-I Single-Link supports digital video resolutions up to 1920 x 1200, and analog video resolutions up to 2048 x 1536.
Auto Scan mode lets users scan connected computers without having to manually switch between them.
Multi-platform support – compatible with all major operating systems.
Plug and play setup – no software installation required.
Supports EDID (Extended Display Identification Data) transmission to connected computers for optimal display performance.
Supports HDMI and VGA monitors with appropriate adapters...see "System Requirements"

Includes mounting hardware for 19” rackmount installations.
Power supply includes international plug adapters (North America, Europe, U.K. and Australia)