It has been a common sense that the most basic size of an HDD is 512 bytes in case of commodity computers. But, there seems to be a plan extending the size to 4K bytes now.
When I got into the business more than 10 years ago, I was assigned to a division which is working on software for mainframe computers. In those days and still now, main stream block storage devices were variable block size ones. Furthermore, they are called DASD (Direct Attached Storage Device) not HDD, and conventional HDDs (for outside the mainframe world) were called FBA (Fixed size Block Architecture) volumes.
Well, it's an old story, but the news reminded me of the old days...
Anyway, thanks for interesting news, JR0BAK!
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