StarTech.com 4 Port USB HDMI KVM Switch, 3.5 mm Stereo 3840 x 2160 Maximum Resolution

Take charge of multiple machines from your desk with this KVM switch from StarTech.com. By linking up to four computers with one workstation, it makes light work of heavy server management processes. As the unit comes with labelled push button controls, it's a cinch to adjust your setup.

Versatile connectivityTwo USB ports mean the device connects to standard peripherals without a hitch.
Fast transfersA 5Gbps data rate lets you quickly wrap up demanding file exchange tasks.
Sharp pictureSupport for resolutions up to 3840 x 2160px means clear images on large monitors.

• Programmable hotkey to skip through machine swapping
• Power usage of 36W for energy-efficient control

Do I need a separate sound setup to use this KVM switch? No, it has 3.5mm audio jacks so there's no need for extra sound connections.