KVM switch Digitus DS-12891 4x1 DP USB 4K Ultra HD

The KVM Switch Digitus DS-12891 4x1 DP USB 4K Ultra HD connects up to four DisplayPort-equipped computers to a single DisplayPort monitor and shared USB console devices. It supports 4K resolution at 60 Hz (3840×2160 @ 60 Hz), provides audio I/O and a front USB-A port for easy access to peripherals, and is compatible with all major operating systems. The compact metal housing and status LEDs on the front panel simplify desktop integration and monitoring.

Advantages

The DS-12891 delivers high-quality video up to 4K @ 60 Hz and maintains multi-channel audio compatibility with Dolby TrueHD and DTS-HD Master Audio. It offers four DisplayPort inputs, full USB connectivity for keyboard and mouse, and separate microphone and speaker jacks. Switching is possible via front-panel buttons or hotkeys, while the front USB-A port allows quick connection of USB sticks, printers or other peripherals.

Suitable for

• Office workstations with multiple computers sharing one monitor and keyboard/mouse
• Home office setups requiring compact desktop switching
• Professional environments needing 4K video with multi-channel audio support
• Small studios or control stations where quick peripheral access is required

Key specifications

• Resolution: 4K @ 60 Hz (3840×2160 @ 60 Hz)
• Inputs: 4 × DisplayPort, 4 × USB-B, 2 × 3.5 mm audio combo jacks (mic, speaker)
• Console outputs: 1 × DisplayPort, 2 × USB-A (keyboard, mouse), 2 × 3.5 mm stereo audio jacks (mic, speaker)
• Front panel: 1 × USB-A for peripherals
• Supported audio formats: Dolby TrueHD, DTS-HD Master Audio
• Switching methods: front-panel button, hotkeys
• Platform support: platform-independent, compatible with major operating systems
• Housing: metal, colour: black
• Controlled computers: up to 4
• Power: 5 V DC (external)
• Weight: 0.76 kg

How to use

Connect each computer to the KVM switch using DisplayPort cables to the corresponding DP inputs and USB-B cables for keyboard/mouse control. Attach the monitor to the console DisplayPort output and connect keyboard and mouse to the console USB-A ports. Plug speakers and microphone into the stereo audio jacks if required. Power the unit with the provided 5 V DC adapter. Use the front-panel button or the configured hotkeys to switch between connected computers; the front status LEDs indicate the active channel.

Recommendations

For optimal 4K @ 60 Hz performance, use certified DisplayPort cables and ensure source graphics drivers are up to date. Place the KVM switch on a stable, ventilated surface and avoid routing power and signal cables together to reduce interference.