Just returned an hour ago from the Best Buy in Cumming with a new 1TB hard drive to use as a mirror. On the package it's marked as a 10000CSRTL which is a 7,200rpm drive. When I opened the package and looked at the drive so I could enter the specs on my pc's build-sheet, I saw that it's a 10EARS drive which is 5,400, and retails for a much lower price than the CSRTL. An evening spoiled and a trip to Best Buy tomorrow morning. Funny thing is that the package serial number agrees with what's in the package, and the label looks original from Western Digital. I'm not blaming BB for this.