StarTech.com 4 Port High Resolution USB DVI Dual Link KVM Switch with Audio and USB 2.0 Hub (SV431DVIUAHR) - KVM / audio / USB switch - 4 x KVM / audio / USB - 1 local user

Front panel push button computer selection Compatible with all USB supported Operating Systems Supports dual link DVI resolutions up to 2560x1600 @ 60Hz Higher resolutions up to 3840x2400 supported at lower refresh rates Integrated USB 2.0 hub allows you to share up to 3 high-speed USB devices between computers HDCP Compliant All metal chassis for long-term durability