The perfect solution to declutter your workspace by sharing one Dual-monitor, keyboard, mouse and audio gear setup with multiple computers or multi-media sources.

StarTech 4-Port Dual DVI 2.0 USB Hub KVM Switch with Audio SV431DD2DUA

Brand new in open box. Never used. Got this about 6 months ago and don't need it.  

Manufacturer details:

Key Features
  • 2048 x 1536 @ 85 Hz Analog Resolution
  • 1920 x 1200 @ 60 Hz Digital Resolution
  • Front Panel Push Button
  • Hot-Key Functions
  • Integrated USB 2.0 Hub
  • Compatible with all USB Supported OS
  • Rugged, All-Metal Chassis
  • TMDS compliant

The black 4-Port Dual DVI 2.0 USB Hub KVM Switch with Audio from StarTech allows up to four dual display multimedia computers, each with dual DVI video outputs, to share two monitors, one microphone and a set of speakers, one keyboard and one mouse, as well as two USB peripherals. It supports resolutions up to 2048 × 1536 (analog) and 1920 × 1200 (digital). Take full advantage of dual head video cards by switching up to four machines across two high-resolution DVI monitors. The switch is an ideal solution for graphic designers, CAD/CAM designers, or educational and financial institutions. This dual view KVM switch allows you to instantly switch back and forth between dual DVI display PCs at the touch of a button, while maintaining professional-level video quality on both monitors. It also features an integrated USB hub port that allows USB 2.0 peripherals such as thumb drives, external hard drives, or web cams to be shared between attached systems, thus eliminating duplicate peripheral costs.

Note:
While both DVI-I (analog mode) and DVI-D (digital mode) are supported by the KVM, both source PCs should output the same signal type for proper switching. It is recommended wherever possible to use DVI-D cables across all PC to KVM and KVM to console connections.
The switch has a four-system control for single user workstations with dual head video cards, thus increasing user productivity in the office
It comprises of front panel push-button and hot-key functions for easy switching
An integrated USB 2.0 hub allows USB 2.0 peripherals such as thumb drives, external hard drives, and web cams to be shared between attached systems, thus eliminating duplicate peripheral costs.
The switch has an audible tone that confirms port switching
It is a combined or independent switching of audio and/or USB hub ports
The EDID retention eliminates hassle when switching between computers as the KVM remembers monitor settings
The switch supports all USB-capable operating systems that include Windows 98e/SE/ME/2000/XP/Vista/7, Linux, Mac OS, and more
It is TMDS compliant and supports DDC2B emulation and HDCP for digital content protection
It has a status LED display for easy port status monitoring