CS64U 4-Port USB KVM Switch has a handy design integrating with 6 feet of cables and built-in USB. It can control 4 servers via a single console. - One USB console controls four USB computers - Compact design, built-in 1.8 m cables - Hotkey selection for OS and keyboard language - Computer Selection via hotkey and USB mouse - Multiplatform support - Windows, Linux, Mac, Sun - Video DynaSync™ - exclusive ATEN technology eliminates boot-up display problems and optimizes resolution when switching between ports - All-in-one design - With speaker support - Superior video quality – up to 2048 x 1536; DDC2B - Auto Scan function to monitor computer operation - Non-powered Sun/Mac keyboard support and emulation*