ATEN CS84U — 4‑Port USB VGA KVM Switch (Audio Support, Hotkey Switching, No External Power Required)
Four computers, one desk, one keyboard and mouse — the CS84U handles the switching with no drivers, no external power adapter, and no fuss. VGA up to 2048x1536, audio switching included, hotkeys or front-panel pushbuttons, and a compact metal enclosure that fits anywhere.
The ATEN CS84U is a 4-port USB VGA desktop KVM switch that allows you to control up to four computers using a single keyboard, mouse, and monitor. With audio switching, hotkey control, and pushbutton selection, the CS84U delivers reliable, driver-free KVM functionality ideal for offices, labs, test benches, and SMB IT environments.
Designed for maximum compatibility, the CS84U supports VGA up to 2048x1536, USB HID keyboards/mice, and simple plug-and-play installation with no external power adapter required.
Key Features
4-port USB VGA KVM switch for desktop and SMB environments
Single-console control of 4 computers (USB keyboard/mouse + VGA display)
Audio support — switch microphone and speakers independently or together
Hotkey switching for fast computer selection
Pushbutton front-panel control
High-resolution VGA up to 2048x1536
Multiplatform support: Windows, macOS, Linux
No external power required (bus-powered)
Compact, durable metal enclosure
Technical Specifications
Computer Connections: 4
Console Ports: VGA, USB keyboard, USB mouse, audio
Video Resolution: Up to 2048x1536
Switching Methods: Hotkeys, pushbuttons
Audio: 3.5mm mic + speaker
Power: Bus-powered (optional DC input)
Enclosure: Metal
Warranty: ATEN 3-Year Warranty
Ideal Use Cases
Multi-PC workstations
IT labs and testing benches
SMB offices and admin desks
Server maintenance stations
Mixed-OS environments (Windows/macOS/Linux)
Environments needing audio switching with KVM control
What's Included
ATEN CS84U 4-Port USB VGA KVM Switch
4x KVM cable sets (VGA + USB + audio)
Quick-start documentation
Compliance & Warranty
CE / FCC
3-Year ATEN Warranty