![](/images/new-backgrounds/1223669/22366963x1.webp)
Hard Disk Drive Interface (continued)
| Item |
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| Specification |
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| Capacity (MB) |
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| 320 |
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| |
| Vendor & Model |
| Seagate |
| HGST |
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| Toshiba |
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| WD |
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| Name |
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| Bytes per sector |
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| 512 |
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| Data heads |
| 3 |
| 3 |
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| 2 |
| 2 |
| |
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| Drive Format |
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| Disks |
| 2 |
| 2 |
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| 1 |
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| Spindle speed |
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| 5400 |
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| (RPM) |
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| Performance Specifications |
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| Buffer size |
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| 8 MB |
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| Interface |
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| SATA |
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| Max. Media |
| 300 |
| 384 |
|
| 384 |
| 384 |
| |
| Transfer Rate |
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| (Mbytes/sec |
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| max.) |
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| Max. Data |
| 150400 |
| 112000 |
|
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| 108544 |
| |
| Transfer Rate |
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| (Mbytes/sec) |
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| DC Power Requirements |
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| Voltage |
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| 5V ±5% |
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| tolerance |
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| Hard Disk Drive Interface (continued) |
|
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| |||
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| Item |
|
|
| Specification |
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
| |
| Capacity (MB) |
|
|
| 500 |
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| ||
| Vendor & Model |
| Seagate | HGST |
| Toshiba |
|
| WD |
| ||
| Name |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
| Bytes per sector |
|
|
| 512 |
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
| |
| Data heads |
| 2 |
|
|
|
| 3 |
|
| 2 |
|
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|
|
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|
|
|
|
|
|
|
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| Drive Format |
|
|
|
|
|
|
|
|
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| |
|
|
|
|
|
|
|
|
|
| |||
| Disks |
| 1 |
|
|
| 2 |
|
| 1 |
| |
|
|
|
|
|
|
|
|
|
|
|
| |
| Spindle speed |
|
|
| 5400 |
|
|
|
|
|
| |
| (RPM) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
| Performance Specifications |
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
| ||
| Buffer size |
|
|
| 8 MB |
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
| ||
| Interface |
|
|
| SATA |
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
| |
| Max. Media |
| 300 |
| 384 |
|
| 384 |
|
| 384 |
|
| Transfer Rate |
|
|
|
|
|
|
|
|
|
|
|
| (Mbytes/sec |
|
|
|
|
|
|
|
|
|
|
|
| max.) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
| Max. Data |
| 150400 |
| 112000 |
|
|
|
|
| 108544 |
|
| Transfer Rate |
|
|
|
|
|
|
|
|
|
|
|
| (Mbytes/sec) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| DC Power Requirements |
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| ||
| Voltage |
|
|
| 5V ±5% |
|
|
|
|
| ||
| tolerance |
|
|
|
|
|
|
|
|
|
|
|
|
|
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22 | Chapter 1 |