10k/15k Rpm - 18gb multiples?

They just havent got out of the habit of doubling the disk size for each new disk.

512mb -> 1gb -> 2gb -> 4gb -> 9gb - 18gb -> 36gb -> 72gb -> 147gb ->300gb.

no technical reason why they can't have a 750gb scsi
 
Hmm, surely theres a market for it though? Just trying to reverse engineer a hard drive, thats all...
 
There's plenty of demand for large capacity SCSI storage but very little demand for large single drives. The vast majority of SCSI implementations are RAID arrays, either single arrays or SAN solutions which call for large numbers of small drives to provide better throughput than is available from a single spindle.

750Gb while technically possible would be difficult to achieve. Current top end SCSI drives use a 75Gb platter so obviously 750Gb would need 10 platters which in turn would entail at least a double height drive chassis. That then excludes you from the hot swap market (where 90+% of drives go) because a double height drive won't fit. That's before you get to the heat issues associated with that many platters in one drive.
 
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