Pinouts >  Various Electronic Devices
5 pin USB HDD case proprietary connector layout
5 pin USB HDD case proprietary connector
Cable wiring diagram for USB cables used on some portable HDD cases.

Enclosure Pin

Enclosure Pin
Direction Host Pin
Host Pin
VCC 5 --- 4 VCC +5v Power
D- 4 <--> 3 D- Data -
D+ 3 <--> 2 D+ Data +
GND 1 --- 1 GND Ground

This odd connector is used on some cheaper USB HDD enclosures. It's similar to the SIL connectors used for headers. The numbering may be reversed to what you have for USB; I arbitrarily numbered the pins.  


4 pin USB A receptacle connector layout
4 pin USB A receptacle connector
According to 4 reports in our database (3 positive and 0 negative) the USB 2.0 Disk connector cable pinout should be correct.

Is this pinout
USB 2.0 Disk connector cable visual pinout:click to enlarge
Source(s) of this and additional information:,
Copyright © 2000-2024 by team, except user uploaded images.
No portion of this webpage may be reproduced in any form without visible link to .
Efforts have been made to ensure this page is correct, but it is the responsibility of the user to verify the data is correct for their application.
Change privacy settings