What is the maximum speed of USB 1.1?

USB 1.1 supports a maximum data transfer rate of 0.01 Gbps.

What capabilities does USB 1.1 support?

USB 1.1 supports data transfer, power delivery (up to 2W).

1/10 Legacy

USB 1.1

Q: How future-proof is USB 1.1?

USB 1.1 has a future-proof score of 1/10. Obsolete for data transfer. Some ultra-low-power IoT devices still use Full Speed mode inherited from USB 1.1.

USB

Max Speed

0.01 Gbps

Max Resolution

—

Power Delivery

Released

1998

Refined USB 1.0 with improved reliability and interrupt/isochronous transfer support. The version that launched USB into mainstream adoption for keyboards, mice, and printers.

Bandwidth

10 Mbps

Power Delivery 2W

On this page

Capabilities

Data ✓

Video ✗

Audio ✗

Power ✓

Ethernet ✗

Future-Proof Analysis

Obsolete for data transfer. Some ultra-low-power IoT devices still use Full Speed mode inherited from USB 1.1.

Compatible Connectors

USB Type-A USB Type-B

Speed Benchmarks

Scenario	File Size	Theoretical	Realistic
Transfer a 1GB file	1.00 GB	666.7s	833.3s
Transfer a 2GB photo album	2.00 GB	1333.3s	1666.7s