8-Port HDMI KVMP Switch IOGEAR's 8-port USB HDMI KVMP Switch allows you to control and access up to 8 computers from a single USB keyboard, USB mouse, and an HDMI monitor console. Experience high definition video resolution to 1080p (1920 x 1200) while sharing USB 2.0 peripherals and listening to 2.1 stereo surround sound. Expanded Connectivity IOGEAR's 8-Port USB HDMI KVMP Switch is designed to control up to 512 computers by cascading three levels of the GCS1808H. The built-in USB 2.0 hub allows peripheral sharing between the connected system and is backwards compatible with USB 1.1. Administrators can easily broadcast messages, announcements, firmware updates, or notifications to all connected sources. EDID Support IOGEAR's Video DynaSync™ technology optimizes the display resolution by reading and remembering the monitor's parameters (EDID) so there is no delay or change in video resolution when switching between, or booting computers.Simple Switching Methods Easily switch between connected computers by either manually pressing the front panel push-buttons, entering hotkey combinations from the keyboard, or via the On-Screen Display (OSD) system. The KVM's convenient Auto-Scan feature permits automatic scanning and monitoring of activities on all connected devices. 2.1 Surround Sound This 8-port HDMI KVMP switch provides 2.1 audio support allowing you to enjoy stereo surround sound through connected speakers. Multi-Display Setup Enhance productivity and view all connected sources on up to eight displays by stacking eight (8) IOGEAR GCS1808H together.