Hard Disk Drive Interface
Item |
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| Specification |
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Vendor & Model | Segate | Segate | Toshiba | Hitachi | WD |
Name | ST9250827AS | ST9160310AS | MK3252GSX | WD1600BEVT | |
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Capacity (GB) | 250 | 160 | 320 | 320, 250 | 160 |
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Bytes per sector | 512 | 512 | 512 | 512 | 512 |
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Data heads | 4 | 2 | 4 | 4, 4 or 3 | 2 |
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Drive Format |
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Disks | 2 | 1 | 2 | 2, 2 | 1 |
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Spindle speed | 5400 | 5400 | 5400 | 5400 | 5400 |
(RPM) |
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Performance Specifications |
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Buffer size | 8 MB | 8 MB | 8 MB | 8 MB | 8 MB |
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Interface | SATA | SATA | SATA | SATA | SATA |
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Internal transfer | 778 | 352 | 400 ~ 794 | 674 ~ 729 | 850 Mbits/s |
rate (Mbits/sec, |
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| typical |
| maximum |
max) |
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I/O data transfer | 300 | 150 | 300 | 300 | 300 maximum |
rate |
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(Mbytes/sec |
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max) |
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DC Power Requirements |
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Voltage | 5V ±5% | 5V ±5% | 5V ±5% | 5V ±5% | 5V ±5% |
tolerance |
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20 | Chapter 1 |
