2.0 Drive 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:
ST4000VN000 ST3000VN000 ST2000VN000
2.1Specification summary tables
The specifications listed in Table 1 are for quick reference. For details on specification measurement or definition, refer to the appropriate section of this manual.
Table 1 Drive specifications summary for 4TB, 3TB and 2TB models
Drive Specification* | ST4000VN000 | ST3000VN000 | ST2000VN000 |
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Formatted capacity (512 bytes/sector)** | 4000GB (4TB) | 3000GB (3TB) | 2000GB (2TB) |
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Guaranteed sectors | 7,814,037,168 | 5,860,533,168 | 3,907,029,168 |
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Heads | 8 | 8 | 4 |
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Disks | 4 | 4 | 2 |
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Bytes per sector (4K physical emulated at | 4096 | 4096 | 4096 |
sectors) |
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Default sectors per track | 63 | 63 | 63 |
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Default read/write heads | 16 | 16 | 16 |
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Default cylinders | 16,383 | 16,383 | 16,383 |
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Recording density (max) | 1807kFCI | 1550kFCI | 1807kFCI |
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Track density (avg) | 340ktracks/in | 340ktracks/in | 352ktracks/in |
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Areal density (avg) | 625Gb/in2 | 536Gb/in2 | 625Gfc/in2 |
Internal data transfer rate (max) | 1813Mb/s | 1813Mb/s | 1813Mb/s |
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Maximum sustained data rate, OD read (MB/s) | 180MB/s | 180MB/s | 159MB/s |
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ATA | PIO modes: 0 to 4 |
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| Multiword DMA modes: |
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| 0 to 2 |
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| Ultra DMA modes 0 to 6 |
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I/O | 600MB/s | 600MB/s | 600MB/s |
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Cache buffer | 64MB | 64MB | 64MB |
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Height (max) | 26.1mm / 1.028 in | 26.1mm / 1.028 in | 26.1mm / 1.028 in |
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Width (max) | 101.6mm /4.0 in (+ | 101.6mm /4.0 in (+ | 101.6mm /4.0 in (+ |
| 0.010 in) | 0.010 in) | 0.010 in) |
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Length (max) | 146.99mm / 5.787 in | 146.99mm / 5.787 in | 146.99mm / 5.787 in |
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Weight (typical) | 610g / 1.345 lb | 610g / 1.345 lb | 535g / 1.18 lb |
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Average latency | 5.1ms | 5.1ms | 5.1ms |
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<17.0s | <17.0s | <17.0s | |
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Standby to ready (max) | <17.0s | <17.0s | <17.0s |
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Average seek, read (typical) | <12.0ms | <12.0ms | <12.0ms |
Average seek, write (typical) | <12.0ms | <12.0ms | <12.0ms |
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Startup current (typical) 12V | 2.0A | 2.0A | 2.0A |
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Voltage tolerance (including noise) | 5V: ±5% | 5V: ±5% | 5V: ±5% |
| 12V: ±10% | 12V: ±10% | 12V: ±10% |
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NAS HDD Product Manual, Rev. A | 11 |
