Hitachi just unveiled its new 3.5" DK32EJ and 2.5" DK23DA product lines. The DK32EJ 3.5" one" high drives offers an available storage capacity of 147.8GB at 10,000 RPM and the 2.5" DK23DA offers a maximum storage capacity of 40GB along with providing shock protection and Fluid Dynamic Bearing (FDB) technology. The DK32EJ will be available in both Ultra 320 SCSI and 2Gb FCAL (Hitachi's fibre channel interface drives for OEM customers) in Q2 of 2002. The little DK23DA is currently available in an ATA100 interface.

The DK32EJ drive is configured with a five-disk, ten-head design and has an areal density of 30 Gb/sq inch, couple with a power consumption of 11 watts. It has a maximum sustained data transfer rate of 66 MB/s, a 17 percent increase over Hitachi's previous models. The DK32EJ also uses a load/unload technology that lets the drive achieve a non-operational shock specification of 250G at 2 ms. Along with the 147.8 GB drive, other members of the DK32EJ 1" high 10,000 RPM family include 73.9 GB and 36.9 GB capacity drives, all of which use S.M.A.R.T. technology.

The 2.5" DK23DA drive is configured with a one to two-disk, one to four-head layout, depending on the capacity. The DK23DA features glass media and load/unload technology in addition to shock sensor technology. The DK23DA also comes in various sizes. Along with the 40GB model, the DK23DA family includes 30GB, 20GB and 10GB drives, all with a disk rotational speed of 4,200 RPM. Pricing has not yet been announced.