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How important are the round per minute of an external hard drive?

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#1 raverrebel


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Posted 25 October 2013 - 02:00 AM

I want to buy an external hard drive to secure my data AND store some data on it.

I found a 2,5'' Intenso with 1 TB and 5400 rounds per minute. It is only 55€, so I want to buy it but I dont know how essential the RPM are and if I need 7200. Any suggestions? :)

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#2 cryptodan


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Posted 25 October 2013 - 05:53 AM

THe RPM refers to the speed of the spindle the faster the spindle the faster the data data is accessed. I would recommend a 7200rpm drive.

#3 GreenGiant117


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Posted 28 October 2013 - 12:36 PM

the higher the RPM the faster the drive will be (generally) but for external storage it doesn't matter all that much, USB will be the limiting factor not the speed of the drive.


A little google searching leads me to a few comparisons where a USB 3.0 7200 RPM drive peaks at about 92MB/s and a 5400 RPM peaks around 77MB/s, to me thats not a huge difference, so unless you can find some 7200 for the same price or cheaper? id go with the 5400, its not going to gain you anything really.

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