General Information Master-IT USB+ uses breakthrough technologies which allow for flexibility and functionality never before seen in a KVM switch. The built-in USB DDM prevents interruptions in communication between shared devices and connected systems /computers. By DDM technology, switching ports without any lag time occurred can raise the efficiency and compatibility of KVM switch. UR-14-PLUS embedded DDM Technology can 100% maintain the compatibility of the shared devices and connected systems. UR-14-PLUS becomes the most reliable and robust KVM switch in the world. Currently DDM Technology can be implemented for USB HID class devices only, but in the future will be expanded to cover all major types of USB devices. Technical Information Number of Computers Supported: 4 Number of Local Users Supported: 1 Minimum Scan Interval: 3 Second Maximum Operating Distance: 72″ Video Graphic Mode: VGA Graphic Mode: SVGA Maximum Video Resolution: 1920 x 1440 Interfaces/Ports USB: Yes VGA: Yes Number of USB Ports: 6 Number of VGA Ports: 1 Power Description Input Voltage: 9 V DC Input Voltage: 220 V AC Physical Characteristics Color: Black Form Factor: Rack-mountable Rack Height: 1U Height: 1.7″ Width: 8.7″ Depth: 5.1″ Weight (Approximate): 1.98 lb Miscellaneous Package Contents: UR-14+KIT 4-port VGA KVM with Cables 4 x 6ft Premium 2-in-1 USB/VGA User Manual Additional Information: Connects 4 USB computers and shares 4 USB peripherals. Enhanced functionality Free lifetime technical support & pre/post project consultation. – Peace of mind Optional rack-mount kit Cross-platform compatible USB KVM switch with MAC and Windows systems Easy front-chassis button switching No software or drivers required All Hot-Swappable/pluggable ports – No need to reboot powered-on systems. All metal chassis – Maximum lifetime durability Platform Supported: PC Platform Supported: Mac Warranty Limited Warranty: 3 Year Product images may differ from actual product appearance.