SK41H−3 is a secure 4−port 4K30 UHD HDMI KVM switch. It enables users to share peripherals – keyboard, video, mouse, audio and USB − between four different security−level networks/computers while isolating all hosts and protecting against data leakage and malicious attacks through shared peripherals. SK41H−3 provides the highest possible isolation between connected computers and is NIAP Common Criteria Protection Profile version 3.0 (PP3.0) certified.

• Highest Security by Design — NIAP Common Criteria Protection Profile version 3.0 (PP3.0) certification for peripheral Sharing Switch (PSS) devices.
• 4K30 UHD Resolution — Supports resolutions up to 3840×2160 @30Hz.
• Work Freely Without Compromising Security — Display and control classified and non–classified computers without compromising security.
• Prevent Information Leaks — Block peripheral exploits, information leaks, eavesdropping, signal transmission, computer malware, hardware and firmware tampering.
• Filter USB Peripherals — Allow or block specific USB devices based on VID/PID characteristics.
• Smooth Switching Between Computers (Virtual Display Technology) — Automatically switch all peripheral control from one computer to another by dragging the cursor between each computer’s display border.
• Keyboard Lock Indication — Caps Lock, Num Lock, and Scroll Lock indication on front panel.