Western Digital Caviar Blue 7200 RPM 32MB Cache SATA 6.0Gb/s or Black

I have 2 options:

Western Digital Caviar Blue WD7500AALX 750GB 7200 RPM 32MB Cache SATA 6.0Gb/s


Western Digital Caviar Black WD7501AALS 750GB 7200 RPM 32MB Cache SATA 3.0Gb/s


I do not see too much difference between the two, but I want the better of the two. Can you please advise me? Thank you.
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More about western digital caviar blue 7200 32mb cache sata black
  1. The Black is faster and the warranty is 5 years instead of 3 years.
  2. Thank you sir.
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