Product Review Detail of Western Digital Caviar Black 640GB SATA3 6GB/S 7200RPM 64MB Cache 3.5in Dual Proc Hard Drive OEM
Reviewed by felix789 on July 27, 2010 Experience: 2 Months
Pros
Quieter, cooler, and lower power than previous model
 
Cons
Don't get fooled into thinking that you'll get 6Gb/sec
 
Summary
This is the replacement for the highly rated WD6401AALS model. Compared to the WD6401AALS, this model uses less power, is a little quieter, and runs somewhat cooler. The access times (as tested using HD Tune) are about the same. However, realize that the 6Gb/sec transfer rate is a marketing gimmick -- no mechanical hard disk will ever saturate even a 3Gb/sec (SATA II) interface. Hopefully this drive will be as reliable as the model it replaced.
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