I want to add a second drive to my 2011 mini. In a perfect world, I would order the OWC kit but it appears to be for adding a drive to the lower bay, stating the factory drive "should" be in the upper bay. Well, just found out it ain't a perfect world and don't see kits specifically for adding second drive to upper bay. Can anyone point me to where I can find the SATA cable to add the drive to the upper bay?