Aten Auto Peripheral Switch 4×1 USB 2.0, 4x PC, 1x USB 2.0 Ports, Auto Port Selector, Confirgurable Via Software, Hot Pluggable | US421A-AT

The US421A is a 4-port USB 2.0 Peripheral Switch that allows up to 4 computers to share the use of a single USB peripheral device (such as a printer, scanner, mass storage drive, etc.) on a one-at-a-time basis.

The peripheral focus can be given to a computer manually by using pushbuttons on the switch, using the software-based configuration utility, or by the Auto Switch function.
Compatible with both Windows and Mac, and with multifunction printer support, the US421A is the ideal way to share the latest USB 2.0 peripherals in a multimedia office environment.

Product Description Last Updated: 29/09/2025

* Whilst we endeavour to have the correct information on our products provided from the supplier/manufacturer, errors do occur. If you would like to double check the information, please feel free to contact us FIRST and we will be more than happy to confirm information on the item prior to purchase. In the event that product information is incorrect due to information we received from our supplier or manufacturer, we do not take responsibility or be held liable for damage(s), loss(s) etc. We will work with you and do our best to make the best of a bad situation and work with our supplier(s) and/or manufacturer(s) to supply the correct information for the item purchased etc..