This unit was developed as a 3.5-inch SCSi HDD for OEM in the office computer, compact general-purpose computer, and EWS market.
Technically, this unit was positioned as an enhanced, brushed-up version of the technology developed with the DK312C, and it was realized as a combination of a sputtered disk, MIG head and a sector servo system. Memory capacity was enhanced by about 1.7 times, from the previous 250MB to 418MB, and this accelerated competition to reduce bit cost.
| Completion date | 1990 |
|---|---|
| Memory capacity per spindle | 419Mbyte |
| BPI | 44.2KBPI |
| TPI | 1.8KTPI |
| Surface recording density | 80Mbit/square inch |
| Disk size/quantity | 3.5-inch sputtered/7disks |
| Head type/number per actuator | Lightweight MIG/14 |
| Average access time | 16.8ms |
| Disk rotation speed | 3,600rpm |
| Data transfer speed | 2Mbyte/s |
