PSU and a 4 pin female connector

[Orvel]

I have a simple question...

There is a 4 pin female connector hanging out my PSU. Computer works without it.

The connector looks like this:

http://cdn.overclock.net/5/5f/5f4b2cc8_vbattach127331.jpeg

What is it for ?

 

[delluser1]

That's a pwn fan connector
What power supply do you have ?

 

[Motopsychojdn]

I reckon its his floppy drive power cable, obsolete now and no need to worry Op
Moto