Toshiba unveils two 1.8" hard drives with perpendicular recording
Toshiba introduced the first 1.8" hard drives with perpendicular recording allowing for 40 GB plates. The 40 GB MK4007GAL and 80 GB MK8007GAH will be volume-produced in Q1 and Q2 of financial year 2005 (starting on April 1, 2005), respectively.
Judging by the official information, the data density makes 206 Mbit/mm² or 133 Gbit/inch2.
| |
MK8007GAH |
MK4007GAL |
| Formatted capacity, GB |
80 |
40 |
| Plates |
2 |
1 |
| Heads |
4 |
2 |
| Average seek, ms |
15 |
| Performance |
UDMA/100 |
| RPM |
4200 |
| Interface |
ATA-6 |
| Size, mm |
54x78.5x8 |
54x78.5x5 |
| Weight, g |
62 |
51 |
| Withstanding shock |
4900 m/s2 (500g/2 ms) operating,
14700 m/s2(1500g/1 ms) non-operating |
perpendicular recording
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