SCSI or ATA - Is there a difference?

Just curious as to whether anyone knows or has some hard facts, if using a SCSI drive for a Server makes much of a difference in site speed? Never having owned one I do not know if they last as long as an ATA or what their stability is like.

And are most people using ATA 7200 these days, or still trying to get some life out of old 5400?

 

 

 

 

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