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Toshiba's new 1.8" drives are the second generation to benefit from perpendicular recording. In contrast, Hitachi still uses conventional, longitudinal recording technology, which explains the capacity differences: Hitachi can provide 30 GB per 1.8" platter while Toshiba's drives store 40 GB each.
The platter configuration determines the height of both 1.8" drive products: if two platters are used, both models have a height of 8 mm (0.315"), while the single-platter versions get by with a height of only 5 mm (0.197"). Toshiba offers its drives with a Micro-ATA interface or using the CE-compliant Zero Insertion Force (ZIF) connector. Hitachi decided to implement either the full Mini-ATA connector, which is used by all 2.5" UltraATA drives, or the ZIF interface.
| Hitachi C4K60 | Toshiba MK8004/4007 | |
|---|---|---|
| Capacity Points | 20, 30, 40 and 60 GB | 20, 30, 40, 60 and 80 GB |
| Spindle Speed | 4,200 RPM | 4,200 RPM |
| Interface | UltraATA/100
(ZIF, Mini ATA) |
UltraATA/100
(ZIF, Micro ATA) |
| Cache | 2 MB | 2 MB |
| Seek Time | 15 ms | 15 ms |
| Weight | Single platter models: 46 g (1.62 oz)
Dual platter models: 57 g (2.01 oz) |
Single platter models: 51 g (1.8 oz)
Dual platter models: 62 g (2.19 oz) |
| Operating Temperature | 5-60°C (41-140°F) | 5-60°C (41-140°F) |
| Power Draw
(Max/Active/Idle/Stand-by) |
1.4/1.0/0.4/0.08 W | 1.8/1.1/0.4/0.07 W |
The high capacity drives are thicker due to their two-platter configuration.
We received Hitachi's CE version of the C4K60, which uses a ZIF interface to connect the drive to its host. However, the protocol used is UltraATA/100.
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Where can i find an enclosure that can read from this HD?
On ebay, for around $10