2.0Drive specifications
Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate ST980210A, ST980210AS, ST960210A, ST960210AS, ST940210A, ST940210AS and ST920210AS model drives.
2.1Specification summaries
The specifications listed in the following two tables are provided for quick reference. For details on specification measurement or definition, see the appropriate section of this manual.
Table 1: | Specification summary for ATA/PATA (Parallel ATA) models |
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Drive specification | ST980210A | ST960210A | ST940210A | |
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Formatted Gbytes (512 bytes/sector)* | 80 | 60 | 40 | |
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Guaranteed sectors | 156,501,488 | 117,210,240 | 78,340,160 | |
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Bytes per sector | 512 |
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Default sectors per track | 63 |
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Default read/write heads | 16 |
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Default cylinders | 16,383 |
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Spindle speed (RPM) | 5,400 |
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Internal data transfer rate OD (Mbytes/sec max) | >40 |
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I/O | 100 |
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ATA | PIO modes |
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| Multiword DMA modes |
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| Ultra DMA modes |
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Cache buffer (Mbytes) | 2 |
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Height |
| 9.5 ± 0.2 mm (0.374 ± .008 inches) |
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Width |
| 69.85 ± 0.25 mm (2.750 ± 0.010 inches) |
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Length |
| 100.2 ± 0.25 mm (3.945 ± 0.010 inches) |
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Weight (typical) | 100 grams (0.22 lb) |
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Average latency (msec) | 5.6 |
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3.0 |
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Standby to ready (sec typical) | 3.0 |
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1.0 (read), 1.5 (write) |
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Average seek, read (msec typical) | <14 |
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Average seek, write (msec typical) | <15 |
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<23 (read); <26 (write) |
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Startup current 5V (amps typical) (max = +/- 10%) | 1.0 |
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Seek power, random r/w, desktop usage (watts, typical) | 2.3 |
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Idle mode (watts, typical) | 1.95 |
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LD25 Series 5400.2 Product Manual, Rev. C | 3 |