Mechanical Hard Drive VS SSD important question

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Ragahv

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Dec 30, 2012
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I own a HGST E182115 T. and i plan to get the sandisk 240GB Sata 3 SSD

The HGST hard drive has 5400RPM and the ssd: sandisk S3 has 500 MB/s and 380MB/s write speed. So which one is better? RPM = revolutions per minute and MB/s is how many megabytes it can transfer in one second. So is RPM a slower metric then MB/s?
 
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Ari3l

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May 6, 2014
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There is no standard read/write speed for hard drives hard drives can't even do 300MB/s. 5400 Revolutions Per Minute is just how fast the disc spins, the ssd is considerably faster because it's not a spining disc, it's like a really fast usb . :D
 
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little_me

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May 9, 2015
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I agree with Ari3l, even the slowest SSD will beat single hard disk on read speeds.
actually, even bit faster than old and ancient USB memory sticks will do that.

Most hard disks can do 10 to 30MB/sec though. (7200RPM ones, 5400 are bit slower)

Hard disks are still pretty much one of the cheapest ways to store data as far as costs go though, which is why they are still widely used.
 
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