Summary: I my Aunt needed a little more room for her aging notebook PC. It seems it is very difficult to find notebook hard drives under 250GB. I found this one and it really worked well for older laptops. I did not require a drive in the 250GB to 500GB range, which are plentiful. It was refreshing to see that Amazon carries smaller size hard drives, with good speed and a 5 year warranty too. What a deal! I highly recommend this drive.
Summary: I wanted a snappier HDD for my older Compaq laptop. Replaced the stock 80GB 5200 HD with this WD Black 7200 RPM drive. Now, my boot-up speed improved from 46 seconds to about 32 seconds, and the laptop seems to be much more responsive than before.
Summary: The Mfr substituted the item ordered due to a model change. This was a replacement drive for an older laptop and the hardware was not compatible with SATA 1.5. Had to send it back and order elsewhere.
Summary: Just as the headline describes, I bought this to replace a 20gb that was in my PS3. Only been in operation for a few days now, but it does the job. If you are looking at a BLUE drive, spend the extra $5 and get the BLACK (this one). Product was as described and going from a 5400 SATA to a 7200 SATA II drive makes it much faster for load times.