
Table 2: | Drive specifications for 300, 250 and 200 Gbyte models |
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Drive specification | ST3300822SCE | ST3250824SCE | ST3200827SCE | |
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Formatted Gbytes (512 bytes/sector)* | 300 | 250 | 200 | |
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Guaranteed sectors | 586,072,368 | 488,397,168 | 390,721,968 | |
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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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Recording density in BPI (kbits/inch max) | 790.1 |
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Track density TPI (ktracks/inch avg) | 124.5 |
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Areal density (Gbits/inch2 avg) | 97.69 |
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Spindle speed (RPM) | 7,200 |
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Internal data transfer rate (Mbits/sec max) | 867.2 |
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Sustained transfer rate (Mbytes/sec max) | 76.6 |
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I/O data transfer rate (Mbytes/sec max) | 300 |
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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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SATA | 3.0 Gbits/sec |
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| 1.5 Gbits/sec |
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Cache buffer |
| 8 Mbytes |
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Height (max) |
| 26.1 mm (1.028 inches) |
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Width (max) |
| 101.6 mm (4.000 inches) |
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Length (max) |
| 146.99 mm (5.787 inches) |
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Weight (max) grams | 655 grams (1.44 lb.) | 580 grams (1.28 lb.) |
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Average latency (msec) | 4.16 |
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16 sec |
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Standby to ready (typical) | 16 sec |
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<0.8 (read), <1.0 (write) |
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Average seek (msec typical) | 18 (read), 20 (write) |
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Startup current (typical) 12V (peak) | 2.0 amps |
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Seek power (typical) | 12.60 watts |
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Operating (Consumer Storage Profile) | 9.20 watts |
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Operating (PVR Storage Profile) | 4.88 watts |
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Idle mode (typical) | 8.00 watts |
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Standby mode (typical) | 0.800 watts |
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Sleep mode (typical) | 0.800 watts |
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Voltage tolerance | 5V ± 5% |
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(including noise) | 12V ± 10% |
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Ambient temperature | 0° to 60°C (operating) |
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Temperature gradient | 20°C (operating) |
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(°C per hour max) | 30°C (nonoperating) |
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Relative humidity | 5% to 90% (operating) |
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| 5% to 95% (nonoperating) |
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Relative humidity gradient | 30% per hour max |
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Wet bulb temperature | 37.7 (operating) |
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(°C max) |
| 40 (nonoperating) |
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Altitude, operating |
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6 | DB35.2 Serial ATA Product Manual, Rev. C |