Hitachi exceeds 6Gb/in2
Hitachi America?s 2.5-inch notebook disk drives pack as much as 6.29Gb per square inch in the 10GB model DK229A-10. A
6.49GB version is also available. The drives are based on giant magnetoresistive (GMR) heads and enhanced partial response maximum likelihood (EPRML) read-channel technology. Both models have a 4,200rpm rotation speed, internal data transfer rates from 10MBps to 16.6MBps, and a maximum external data rate of 33MBps using the ATA-4 interface.