Description

ATEN CS784H – Professional 4K HDMI KVM Solution for Workstations and Home Offices

ATEN CS784H – 4-Port USB 4K HDMI KVM Switch with USB Hub

Key advantages

• Control up to 4 HDMI computers using a single monitor, keyboard, and mouse

• 4K UHD 4096 × 2160 @ 60 Hz plus ultra-wide resolutions up to 5120 × 1440 @ 60 Hz

• Convenient switching via front-panel buttons, remote port selector, hotkeys, or mouse wheel scrolling

• Integrated USB 2.0 hub for sharing peripherals across all connected systems

• Support for gaming and multimedia HID devices and HDMI + analog audio

• Compact design, ideal for SOHO, home office, media, and gaming setups

Description

ATEN CS784H is a 4-port USB 4K HDMI KVM switch that allows control of up to four computers through a single shared console—an HDMI monitor, USB keyboard, and USB mouse. The device combines KVM functionality with a USB peripheral hub, making it a practical solution for environments where multiple systems are used simultaneously.

The switch supports 4K UHD 4096 × 2160 @ 60 Hz and ultra-wide resolutions up to 5120 × 1440 @ 60 Hz, making it suitable for modern professional and gaming displays. ATEN Video DynaSync™ technology ensures stable switching without image loss and delivers optimal resolution every time you switch systems.

Switching between computers is fast and convenient—via front-panel buttons, a remote port selector, keyboard shortcuts, or even the mouse scroll wheel. The built-in USB 2.0 hub allows sharing peripherals such as printers, scanners, external drives, and other USB devices among all connected machines.

ATEN CS784H is an excellent solution for:

• Home office / SOHO – working with personal and business computers or test systems

• Creative professionals – video and photo editing, 4K and ultra-wide displays

• Gaming and streaming – separate systems for gaming, streaming, and production

• Workstations – CAD, 3D, DevOps, and laboratory environments

Technical specifications

General

• Device type: 4-port USB 4K HDMI KVMP switch (KVM + USB peripheral hub)

Ports

To computers:

• 4 × HDMI video

• 4 × USB (keyboard/mouse)

• 4 × audio (3.5 mm)

Console:

• 1 × HDMI

• 2 × USB (keyboard/mouse)

• 2 × audio (3.5 mm)

USB Hub:

• 2 × USB 2.0 Type-A (shared peripherals)

Video

• Maximum resolution: 4096 × 2160 @ 60 Hz (4K UHD)

• Ultra-wide support: up to 5120 × 1440 @ 60 Hz

• ATEN Video DynaSync™

• HDCP compliant

Control and functions

• Port selection via:

  • Front-panel buttons

  • Remote port selector

  • Hotkeys

  • Mouse wheel switching

• Auto-Scan mode

• Support for gaming/multimedia keyboards and mice (emulation/bypass)

• Hot-plug support

• Firmware upgrade support

Audio

• HDMI audio

• Analog audio ports for console and computers

Compatibility

• Windows

• macOS

• Linux

Physical specifications

• Dimensions: approx. 81.7 × 202.3 × 25 mm (W × D × H)

• Enclosure: metal/plastic

• Color: black

• Power consumption: approx. 1.73 W (DC)