Hard Disk Drive Interface
Item |
| Specifications |
| ||
|
|
|
|
|
|
Vendor & Model | Hitachi | Hitachi |
| Hitachi | Hitachi |
Name | HTS545050B9A300 | HTS545032B9A300 |
| HTS545025B9A300 | HTS545016B9A300 |
|
|
|
|
|
|
Capacity (MB) | 500 | 320 |
| 250 | 160 |
|
|
|
|
|
|
Bytes per sector |
|
| 512 |
| |
|
|
|
|
|
|
Data heads | 4 | 3 |
| 2 | 2 |
|
|
|
|
|
|
Drive Format |
|
|
|
|
|
|
|
|
|
|
|
Disks | 2 | 2 |
| 1 | 1 |
|
|
|
|
|
|
Spindle speed |
|
| 5400 |
| |
(RPM) |
|
|
|
|
|
|
|
|
|
|
|
Performance Specifications |
|
|
|
| |
|
|
|
|
|
|
Buffer size |
|
| 8MB |
| |
|
|
|
|
| |
Interface |
|
| SATA |
| |
|
|
|
| ||
Internal transfer |
| 3GB/s maximum |
| ||
rate (Mbits/sec, |
|
|
|
|
|
max) |
|
|
|
|
|
|
|
|
| ||
I/O data transfer |
| 875 Mbits/s maximum | 845 Mbits/s | ||
rate |
|
|
|
| maximum |
(Mbytes/sec |
|
|
|
|
|
max) |
|
|
|
|
|
|
|
|
|
|
|
DC Power Requirements |
|
|
|
| |
|
|
|
|
| |
Voltage |
| +5.0V ± 5%. |
| ||
|
|
|
|
|
|
Item |
|
| Specifications |
| |
|
|
|
|
|
|
Vendor & Model | Seagate | Seagate |
| Seagate | Seagate |
Name | ST9160310AS | ST9250315AS |
| ST9320320AS | ST9500325AS |
|
|
|
|
| |
|
|
|
|
|
|
Capacity (MB) | 160 | 250 |
| 320 | 500 |
|
|
|
|
|
|
Bytes per sector | 512 | 512 |
| 512 | 512 |
|
|
|
|
|
|
Data heads | 2 | 2 |
| 4 | 4 |
|
|
|
|
|
|
Drive Format |
|
|
|
|
|
|
|
|
|
|
|
Disks | 1 | 1 |
| 2 | 2 |
|
|
|
|
|
|
Spindle speed | 5400 | 5400 |
| 5400 | 5400 |
(RPM) |
|
|
|
|
|
|
|
|
|
|
|
Performance Specifications |
|
|
|
| |
|
|
|
|
|
|
Buffer size | 8 MB | 8 MB |
| 8MB | 8 MB |
|
|
|
|
|
|
Interface | SATA | SATA |
| SATA | SATA |
|
|
|
|
|
|
Internal transfer | 830 | 1175 |
| 830 | 1175 |
rate (Mbits/sec, |
|
|
|
|
|
max) |
|
|
|
|
|
|
|
|
|
| |
I/O data transfer |
| 875 Mbits/s maximum | 845 Mbits/s | ||
rate |
|
|
|
| maximum |
(Mbytes/sec |
|
|
|
|
|
max) |
|
|
|
|
|
|
|
|
|
|
|
DC Power Requirements |
|
|
|
| |
|
|
|
|
|
|
Voltage |
|
| +5.0V ± 5%. |
| |
|
|
|
|
|
|
18 | Chapter 1 |
