USB 4


Also found in: Dictionary, Medical.

USB 4

The latest USB standard, which increases the data rate from 20 to 40 Gbps. Introduced in 2019, USB 4 is backward compatible with USB 3.2, USB 2.0 and Thunderbolt 3. In addition, the confusing 3.2 designations were replaced at the same time (see USB).
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.