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8 pin MiniFit Jr 5557-8 female connector layout
8 pin MiniFit Jr 5557-8 female connector
This is the pinout for the new style Dell towers that use 8 pin headers. The connectors are Molex 5557 and 5559 mini fit jr.

 

Pin
Number
Pin
Name
Description
1   12V Stand By   Purple
2  GND   Black
3  GND   Black
4   5V/PWR_OK   Gray
5   12V   White
6   12V   White
7      Blank
8   5V/PS_ON   Green

 

8 pin MiniFit Jr 5566-8 male connector layout
8 pin MiniFit Jr 5566-8 male connector
According to 9 reports in our database (9 positive and 0 negative) the Dell Optiplex Mini tower power pinout should be correct.

Is this pinout
Dell Optiplex Mini tower power visual pinout:click to enlarge
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