Check the listing for details. Rose Electronics UltraView Pro Single User 4 Port KVM Switch UPB-4UB UltraCable. Color: Black, Condition: New. Listed at 129.99 USD. Two available, buy both and save! 30-day guarantee; no-questions-asked returns. Per the manufacturer: UltraView Pro Models Designed to offer flexibility, UltraView Pro™ is available in several different models. There are three different chassis sizes and two different platform types. Choose the chassis based upon the number of computers you will be using. The multiplatform model is the most versatile. It will convert any keyboard and mouse to any other. It has direct support for PC, Apple, Sun, and UNIX workstations. The PC models work with all standard PC and UNIX workstations with PC-style keyboard and mouse connectors. The C chassis models are expandable with plug-in cards. UltraView Pro can be chained together to support up to 256 computers. Cables Rose’s UltraCable streamlines the cable connections to the UltraView Pro, simplifying cable management and improving system reliability. Order the computer or user cable by the computer’s KVM connector types and desired length. We stock a large variety of cable types in lengths up to 100 feet. You should specify standard resolution (800 x 600 or less) or high resolution (greater than 800 x 600). Installation UltraView Pro is easy to install. You simply connect each computer to the UltraView Pro using our UltraCable. Access the on-screen display with two consecutive keystrokes, the left control and F12 key. You’ll be impressed by the appearance and simplicity of the menus. Configure settings as desired, save the results in flash memory, and away you go. Keyboard and Mouse UltraView Pro does full emulation of the keyboard and mouse; computers can be booted at any time. It supports all operating systems such as Windows 95/98/NT/XP/2000, Linux, Sun Solaris/Open Windows, Apple, and UNIX workstations. Keyboard and mouse can be PC, Apple, or Sun. Six types of computer mice are directly supported including wheel mice. USB is supported with an external converter cable. Apple and Sun are directly supported on multi-platform units only. Flash Memory Flash Memory UltraView Pro contains flash memory which simply means it will never become obsolete. Rose Electronics provides free, lifetime firmware upgrades. They are available from our FTP site via the Internet. It is simply matter of downloading the new firmware into the UltraView Pro to add new features and support new equipment. Options To locate your computer or KVM further than 20 feet, use our coax high-resolution cables, ViewLink™ extenders, or CrystalView™ extenders to go as far as 1,000 feet. Rack mount kits are available for 19”, 23”, or 24” racks.