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Solved: Difference between two WD Black models?: WD5003AZEX and WD5002AALX

Discussion in 'Hardware' started by dbboeder, Oct 9, 2012.

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  1. dbboeder

    dbboeder Thread Starter

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    Hello,

    I'm in the market for a WD Black 500GB, I found two variants: WD5003AZEX and WD5002AALX. Apart from the 64MB vs 32MB Cache, what is the difference between the two models? I looked at the WD website and the data sheet (PDF) showed no other differences. Also, which one is better [if any]?

    Thanks!
     
  2. ninjatex

    ninjatex

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    There is virtually no difference between the drives, except that at least on NewEgg one comes with a longer warranty. Unless you're doing some crazy high-performance task there's no way you'd ever notice the cache difference.
     
  3. crjdriver

    crjdriver Moderator

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    Both come with 5yr warranties on newegg [unless I am missing something]
    Both are sata3 however the cache is different. IMO you would not see any difference in performance.

    You might see a slight difference in burst speed on a benchmark however in real world use, no difference.
     
  4. dbboeder

    dbboeder Thread Starter

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    Are there any benchmarks for WD5003AZEX out there? I already have that model (bought it yesterday) but I have a one-day window to exchange it for the WD5002AALX. Which one is likely to perform better - even marginally?
     
  5. crjdriver

    crjdriver Moderator

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    As I said NO difference in real world use.

    Just get whichever one you want. There really is no difference other than the cache. Since you purchased the one with the 64meg cache, then keep that one.
     
  6. crjdriver

    crjdriver Moderator

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    If you are really interested in performance, then get a ssd drive. That will really give you a boost in performance.
     
  7. dbboeder

    dbboeder Thread Starter

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    Thanks crjdriver! My system doesn't support SSD.
     
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