IOGEAR's VGA KVM Switch with Video DynaSync technology eliminates boot-up display problems and optimizes resolution while bringing dual console keyboard and mouse ports. Users can now use any combination of PS/2 or USB keyboard and mouse. With no software to configure, setting up GCS1724 is quick and easy! The setup is simple; just plug cables into their appropriate ports. Having a single console manage all of the computers helps to eliminate the expense of purchasing individual console components for each unit, and saves space and energy those extra components would use. IOGEAR's VGA KVM Switch saves users time and money! Device Type: KVM switch - 4 ports - PS/2, USB Subtype: KVM Ports: 4 x KVM port(s) KVM Users Qty: 1 local user Features: Firmware upgradable, Video DynaSync Dimensions (WxDxH): 7.9 in x 2.9 in x 1.8 in Weight: 24.79 oz System Requirements: Linux, Apple MacOS 9, Apple MacOS X 10.x, Microsoft Windows XP / Vista / 7 / 8 / 8.1 / 10 Manufacturer Warranty: 3 years warranty Bundled Services: 3 years warranty Device Type: KVM switch - 4 ports Enclosure Type: Desktop Subtype: KVM Ports: 4 x KVM port(s) KVM Local Users Qty: 1 local user Keyboard / Mouse Interface: PS/2, USB Max Resolution: 2048 x 1536 Features: Firmware upgradable, Video DynaSync Interfaces: 1 x VGA 1 x mouse (USB) - Type A 1 x mouse (PS/2) - 6 pin 1 x keyboard (USB) - Type A 1 x keyboard (PS/2) - 6 pin 4 x KVM Cables Included: 4 x keyboard / mouse / video cable Compliant Standards: DDC-2B OS Required: Linux, Apple MacOS 9, Apple MacOS X 10.x, Microsoft Windows XP / Vista / 7 / 8 / 8.1 / 10 Width: 7.9 in Depth: 2.9 in Height: 1.8 in Weight: 24.79 oz Service & Support: Limited warranty - 3 years