StarTech.com 4 Port Steel USB KVM Switch with Audio and USB 2.0 Hub (SV431USBA) Backed by StarTech. com's free lifetime technical support Designed for high-resolution applications: up to 2048 x 1536 pixels supported Hotkey switching for ease-of-use Metal chassis for long-term durability Integrated USB 2. 0 hub allows you to share high-speed USB devices between computers Audio or USB can be locked to a particular port when switching between computers