2.4 | Physical organization |
|
|
|
|
| |
Drive model | Read/write heads | Number of discs | |
|
|
| |
ST3200822AS, ST3160827AS, ST3160023AS and ST3160021AS | 4 | 2 | |
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|
| |
ST3120827AS, ST3120026AS and ST3120022AS | 3 | 2 | |
|
|
| |
ST380817AS, ST380013AS and ST380011AS | 2 | 1 | |
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|
| |
ST340111AS and ST340014AS | 1 | 1 | |
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|
|
|
2.5 | Recording and interface technology |
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|
|
|
Interface |
| Serial ATA (SATA) |
|
| |
Recording method | 16/17 EPRML | |
|
| |
Recording density BPI (bits/inch max) | 595,000 (671,500 on ST3200822AS model) | |
|
| |
Track density TPI (tracks/inch max) | 94,600 (98,000 on ST3200822AS model) | |
|
| |
Areal density (Gbits/inch2 max) | 56.3 (68.5 on ST3200822AS model) | |
Spindle speed (RPM) (± 0.2%) | 7,200 | |
|
| |
Maximum Internal transfer rate (Mbytes/sec) | 85.4 | |
|
| |
Sustained transfer rate OD (Mbytes/sec max) | 58 | |
|
| |
I/O | 150 (SATA 1.0) | |
|
|
|
Interleave |
| 1:1 |
|
| |
Cache buffer |
| |
ST3200822AS, ST3160827AS, ST3160023AS, ST3120827AS, | 8 Mbytes | |
ST3120026AS, ST380817AS, ST380013AS and ST340111AS |
| |
ST3160021AS, ST3120022AS, ST380011AS, and ST340014AS | 2 Mbytes | |
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|
|
2.5.1Physical characteristics
Drive specification |
|
|
|
Maximum height |
|
(mm) | 26.035 |
(inches) | 1.028 |
|
|
Maximum width |
|
(mm) | 101.6 |
(inches) | 4.00 |
|
|
Maximum length |
|
(mm) | 146.99 |
(inches) | 5.787 |
|
|
Typical weight |
|
(grams) | 635 |
(pounds) | 1.4 |
|
|
6 | Barracuda 7200.7 Serial ATA Product Manual, Rev. N |
