The StarTech.com CK4-PM104C is a versatile KVM/audio/USB switch that enables efficient management of multiple devices from a single set of peripherals. Equipped with four ports that support dual monitor setups and a maximum resolution of 3840 x 2160 at 30 Hz, this switch ensures crisp visuals and smooth performance. The transition between devices is seamless, thanks to an easy-to-use push button interface, making it suitable for both professional and home environments. Durability is reinforced with a robust metal housing that features anti-tampering protection. Compliance with standards such as FCC, RoHS, and WEEE assures customers of its reliability and environmentally friendly design. This KVM switch includes support for a Common Access Card (CAC) reader and operates in a wide temperature range, making it suitable for diverse applications.