This 4-port dual-head HDMI modular secure KVM switch supports up to four host computers and two displays for the user. It features HDMI video support for resolutions up to 4K (3840x2160) at a 30Hz refresh rate. The device includes a remote control and is designed for NIAP PP PSD 4.0 Compliance. Optical data diodes and embedded peripheral emulation allow safe sharing of peripherals across multiple security enclaves. The KVM switch is TAA-compliant and manufactured in the US.