HARDWARE INSTALLATION
6  Connect a pair of PCI Express 6-pin auxiliary power connectors to 
the top edge o the GeForce GTX 760 graphics card.  Note that the 
connectors and sockets on the graphics card have a unique shape 
and connect one way only.   
 
 
If your power supply needs an additional power 
connector, you can use the included 4-to-6 pin 
adapter.
7  Reinstall the cover on your computer and reconnect any cables that 
you removed earlier in the installation.