Molex To Sata Adapter Radio Shack SATA Male To Molex Female Power Adapter?

SATA Male To Molex Female Power Adapter? - molex to sata adapter radio shack

Hello everyone, I'm going to buy this item
http://www.cooldrives.com/saypoadcaspw.html

And I wonder whether I should be connected to this adapter
http://www.nanosys1.com/cbl-pwr-lp4pcie.html

then connect the 6-pin adapter. The reason why I do, because they do enough in my Molex power for the purchase of other foods, I want to prevent that. Basscily So im gonna run my SATA 3 molex and the molex from 2 to 6 in connection pin PCI-E