Overview of USB Data Transfer Speeds

USB versions are typically characterised by their maximum data transfer speeds, measured in megabits per second (Mbps) or gigabits per second (Gbps). Each version has introduced enhancements to support faster and more efficient communication between devices.

Version	Maximum Speed	Technical Name	Compatibility	Connector Types
USB 1.0	1.5 Mbps	Low-Speed	N/A	Type-A
USB 1.1	12 Mbps	Full-Speed	USB 1.0	Type-A
USB 2.0	480 Mbps	High-Speed	USB 1.1, USB 1.0	Type-A, Mini-A, Mini-B, Micro-A, Micro-B
USB 3.0	5 Gbps	SuperSpeed	USB 2.0, USB 1.1, USB 1.0	Type-A, Type-B, Micro-B, Type-C
USB 3.1	10 Gbps	SuperSpeed+	USB 3.0, USB 2.0	Type-A, Type-B, Type-C
USB 3.2	20 Gbps	SuperSpeed++	USB 3.1, USB 3.0	Type-C
USB4	40 Gbps	USB4	USB 3.2, USB 3.1, Thunderbolt 3	Type-C