For those of you who have been following my Crucial M4 saga, the most recent chapter is the delivery of a new one. Without having the option of swapping out out the M4 for a 470, I was fenced into getting another one (even though I never suspected the original was defective.) For a moment, things were looking up. The replacement drive was shipped in a nice box and the Crucial packaging was not smashed in like the original. Furthermore, the sticker on the replacement drive said it had firmware revision 0002. The "hmm, perhaps this may work, after all" frame of mind was short lived. As soon as I launched OS, it beach balled. So far, the experience has been the same as the old drive. Ugh. Now what. The problems seem to lie with my system. All those rumors circulating that the earliest manufactured 2011 MacBook Pros have faulty SATA III ports may have some merit, after all. If that is the problem, how exactly would one go about getting Apple to own up to their mistake and fix my machine? What responsibility would be of theirs to look into a problem affecting a third-party drive, undoubtedly the Apple stock HDs work. Additionally, if I were to have the computer tended to, the drive would most likely behave like a naughty child in front of his parents while his babysitter tries to convince them that he gave her trouble. Before installing the replacement drive, I took a photo of my SATA cable. Does anything look awry? It is bent, as you can see. Would this adversely affect the performance of a SATA II drive? Still many questions, but the course seems chartered for SATA II.