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 2048×1536, audio switching included, hotkeys or front-panel pushbuttons, and a compact metal enclosure that fits anywhere.
Control 4 Computers • VGA Video • USB Keyboard/Mouse • Audio Switching • Hotkey & Pushbutton Control • Compact Desktop KVM
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 2048×1536, 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 2048×1536
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
Computer Ports: 4 × VGA + USB + audio
Video Resolution: Up to 2048×1536
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 & testing benches
SMB offices & 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
4 × KVM cable sets (VGA + USB + audio)
Quick‑start documentation
Compliance & Warranty
CE / FCC
3‑Year ATEN Warranty