8 Ports 4K HDMI KVM Switch with USB KM Synchronization

8 Ports 4K HDMI KVM Switch with USB KM Synchronization

The 8 Ports 4K HDMI KVM Switch with USB KM synchronization (KNVM-08A2) lets you control up to eight HDMI PCs with a single keyboard, mouse and 4K display. It supports resolutions up to 3840×2160@30Hz, EDID auto learning/copy and HDCP 1.4 for smooth video playback. Unique USB KM sync and mouse-switching make it ideal for broadcast, testing labs and multi-PC installations where you need to send the same keyboard/mouse actions to all identical systems at once.

Key Features

• 8-port 4K HDMI KVM control – manage up to 8 HDMI computers from one console (keyboard, mouse and monitor)

• 4K UHD video – supports resolutions up to 3840×2160 @ 30Hz (4:4:4) for crisp image quality

• USB KM synchronization – sends mouse movement and keyboard commands simultaneously to all 8 identical PCs, perfect for batch OS install, configuration and recovery

• Mouse-switching mode – switch between PCs using programmable mouse buttons, plus front panel buttons and hotkey control for flexible operation

• EDID auto learning & copy – optimizes and maintains correct resolution after switching, preventing display issues 

• Built-in HDCP engine (1.4) – ensures uninterrupted protected-content playback during port changes 

• Selectable auto-scan interval – cycle through ports automatically at preset time intervals (3, 8, 15, 30 seconds) for monitoring multiple systems 

• Plug-and-play hardware design – pure hardware solution, no drivers or software required; supports Windows and macOS hosts 

• Status LEDs per port – separate indicators for computer ready and selected port for quick visual status checking 

• Robust metal enclosure – 1U-style housing suitable for professional and broadcast environments
  
  

Technical Specification

Computer / Server Ports (Inputs)

• HDMI: 8x (single display for 8 PCs)

• USB Type B: 8x (USB HID for keyboard/mouse from each PC)

Console Ports (Outputs)

• HDMI: 1x (single display output)

• USB HID Type A: 4x (for keyboard, mouse and other HID peripherals)

Video

• Max Resolution: 3840 × 2160 @ 30Hz (4:4:4)

• HDMI Standard: compliant with HDMI 1.4

• HDCP Compliance: HDCP 1.4

Control Methods

• Front panel push buttons (8x port selection)

• Keyboard hotkeys

• Hot-mouse key (switch via 5-button mouse)

EDID & Video Handling

• Auto EDID learning

• EDID copy function

• Built-in HDCP engine for seamless switching and stable video output

USB & KM Synchronization

• USB HID sharing across 4 console ports

• USB KM synchronization: simultaneously sends mouse and keyboard actions to all 8 identical connected PCs

Auto-Scan Function

• Automatic scan intervals: 3, 8, 15, 30 seconds

LED Indicators

• Status LED: 1x

• Computer Ready: 8x green LEDs

• Computer Selected: 8x red LEDs

Power & Environment 

• Power Supply: DC 9–12V

• Operating Temperature: 0–40°C, humidity < 80%

• Storage Temperature: –20–60°C

Mechanical

• Enclosure: Metal

• Dimensions (H × W × D): 44 × 436 × 180 mm

• Weight: ≈ 2278 g