ATEN US421A 4-Port USB 2.0 Peripheral Switch allows seamless sharing of a single USB peripheral device across up to four computers, switching usage one at a time. Designed for efficiency and flexibility in multimedia office environments, this device supports printers, scanners, mass storage drives, and other USB peripherals.

• Multiple Port Selection Methods: Switch control via front-panel pushbuttons, ATEN’s configuration software utility, or the intelligent Auto Switch function.
• High-Speed USB 2.0 Compliance: Supports transfer rates of up to 480 Mbps ensuring fast and reliable connections.
• Cross-Platform Compatibility: Works efficiently with both Windows and Mac systems, with software hotkey and application support primarily on Windows.
• User-Friendly Interface: Equipped with LED indicators for port status and an audible buzzer to indicate switching events.
• Safety & Convenience: Features overcurrent protection, bus-powered operation, hot-pluggable design, and true plug-and-play functionality.
• Compact and Lightweight: Measures 10.40 x 7.96 x 2.20 cm and weighs approximately 0.10 kg, perfect for desktop setups without clutter.

For more information, visit [ATEN US421A Product Page](https://www.aten.com/global/en/products/usb-solutions/docks-and-switches/us421a/).