Hardware connector pinouts cables schematic wiring

USB 3.0 connector pinout

computer bus specification

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Usb 3.0 is the successor of USB 2.0

USB 3.0 combines USB 2.0 bus and new SuperSpeed bus with transfer rate up to 5.0 Gbit/s.

 Pinout of Standard-A USB 3.0 connector

Pin
Number
Pin
Name
Description (may be empty)
1 VBus +5V Power
2 USB D-  USB 2.0 data
3 USB D+
4 GND  Ground for power return
5 StdA_SSRX-  SuperSpeed recevier
6 StdA_SSRX+  SuperSpeed recevier
7 GND_DRAIN  Ground for signal return
8 StdA_SSTX-  SuperSpeed transmitter
9 StdA_SSTX+  SuperSpeed transmitter

 

 Pinout of Standard-B USB 3.0 connector

Pin
Number
Pin
Name
Description (may be empty)
1 VBus +5V Power
2 USB D-  USB 2.0 data
3 USB D+
4 GND  Ground for power return
8 StdA_SSRX-  SuperSpeed recevier
9 StdA_SSRX+  SuperSpeed recevier
7 GND_DRAIN  Ground for signal return
5 StdA_SSTX-  SuperSpeed transmitter
6 StdA_SSTX+  SuperSpeed transmitter

 

Pinout of Powered-B USB 3.0 connector

Pin
Number
Pin
Name
Description (may be empty)
1 VBus +5V Power
2 USB D-  USB 2.0 data
3 USB D+
4 GND  Ground for power return
8 StdA_SSRX-  SuperSpeed recevier
9 StdA_SSRX+  SuperSpeed recevier
7 GND_DRAIN  Ground for signal return
5 StdA_SSTX-  SuperSpeed transmitter
6 StdA_SSTX+  SuperSpeed transmitter
10 DPWR Power provided by device
11 DGND Ground return for DPWR

 

A new feature is the SuperSpeed bus, which provides a fourth transfer mode at 5.0 Gbit/s. The raw throughput is 4 Gbit/s, and the specification considers it reasonable to achieve 3.2 Gbit/s (0.4 Gbyte/s or 400 MByte/s), or more, after protocol overhead.

USB 3.0 receptacles are backward compatible with USB 2.0 connectors.

 


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Source(s) of this and additional information: en.wikipedia.org and USB datasheets
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