This four-port USB KVM switch enables you to access four CPUs with high-resolution DVI video connectors from a single workstation. Set up desktop KVM switching with high-quality DVI-D video.The ServSwitch DT DVI 4-port with USB 2.0 transparent supports full DVI at resolutions up to 1920 x 1200 at 60 Hz. Plus, you can fine tune the signals, depending on signal strength.It enables you to switch DVI-D and audio signals with transparent USB 2.0 signals via push buttons. A built-in hub supports up to four USB peripherals. What's more, the switch supports stereo audio signal switching for speakers and microphones. Audio channels can be switched independently from USB and video.