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I will be downloading roughly 650 GB of music files to a 1 TB external HD. When I play back the music which HD will be best for my needs a HD with 64mb cache 5400 rpm or 32mb 7200 rpm?

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closed as not a real question by EEAA, John Gardeniers, Mark Henderson Feb 25 '11 at 3:54

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

Seriously? Unless you're going to be playing back 1000 files all at the same time, it really doesn't matter what you get. Playing mp3 files is not an IO-intensive task.

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Either HD could handle playing your music back without a problem. Cache is useful... sometimes. But faster spindles are always better to have, performance wise. Go for the 7200.

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How about life-time? Wouldn't faster drives kill it faster? – sybreon Feb 25 '11 at 11:55

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