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 the following drive models:
STANDARD MODELS | FIPS | ||
MODELS | |||
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ST2000NM0011 | ST2000NM0031 | ST2000NM0051 | |
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ST1000NM0011 | ST1000NM0031 | ST1000NM0051 | |
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ST500NM0011 | ST500NM0031 | ST500NM0051 | |
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2.1SPECIFICATION SUMMARY TABLES
The specifications listed in the following tables are for quick reference. For details on specification measurement or definition, see the appropriate section of this manual.
Table 1 Drive specifications summary
Drive specification | ST2000NM0011 | ST1000NM0011 |
| ST500NM0011 |
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| ST2000NM0031 | ST1000NM0031 |
| ST500NM0031 | |
| ST2000NM0051 | ST1000NM0051 |
| ST500NM0051 | |
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Formatted (512 bytes/sector)* | 2TB | 1TB |
| 500GB | |
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Guaranteed sectors | 3,907,029,168 | 1,953,525,168 |
| 976,773,168 |
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Heads | 8 | 4 |
| 2 |
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Discs | 4 | 2 |
| 1 |
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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, KBPI (Kb/in max) | 1523 |
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Track density, KTPI (ktracks/in avg.) | 237 |
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Areal density, (Gb/in2 avg) | 324 |
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Spindle speed (RPM) | 7200 |
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Internal data transfer (Mb/s max) | 1300 |
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Sustained data transfer rate OD | 152 |
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(MB/s max) |
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I/O | 600 |
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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 | 64MB |
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Weight: (maximum) | 710g (1.565 lb) | 640g (1.411 lb) |
| 610g (1.345 lb) | |
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Average latency | 4.16ms |
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15 | 10 |
| 7 |
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Standby to ready (sec max) | 15 | 10 |
| 7 |
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0.5 read / 0.8 write |
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Average seek, read (ms typical) | <8.5 |
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Average seek, write (ms typical) | <9.5 |
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Startup current (typical) 12V (peak) | 2.8A |
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| 2.0A (optional configuration through Smart Command Transport) |
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Voltage tolerance (including noise) | 5V ± 5% / 12V ± 10% |
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Ambient temperature | 5° to 60°C (operating/tested) |
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Temperature gradient | 20°C (operating) |
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(°C per hour max) | 30°C (nonoperating) |
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CONSTELLATION ES SERIAL ATA PRODUCT MANUAL, REV. F |
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