When looking at the specs, you see they spin at 4200 rpm only, and have 12 ms access time. Compare that with decent U2W SCSI drives at 7200 and 1000 rpm with access times of 8 ms and less.
This makes me think they just glued some cheap IDE drives to the FireWire port.
Silicon has defects in its crystal structure. Since the amount of defects per area is more or less constant, smaller chips cause less bad chips, a higher yield, and thus lwoer prices.
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When looking at the specs, you see they spin at 4200 rpm only, and have 12 ms access time. Compare that with decent U2W SCSI drives at 7200 and 1000 rpm with access times of 8 ms and less.
This makes me think they just glued some cheap IDE drives to the FireWire port.
But I have to admit it's nice for transport.
Silicon has defects in its crystal structure. Since the amount of defects per area is more or less constant, smaller chips cause less bad chips, a higher yield, and thus lwoer prices.