2.0Drive specifications
Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For con- venience, the phrases the drive and this drive are used throughout this manual to indicate the following drive models:
ST32000641AS
The specification summaries listed in the following tables are for quick reference. For details on specification measure- ment or definition, see the appropriate section of this manual.
Table 1: Drive specifications summary for 2000GB models
Drive specification | ST32000641AS |
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|
Formatted capacity (512 bytes/sector)* | 2000GB |
|
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Guaranteed sectors | 3,907,029,168 |
|
|
Heads | 8 |
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Disks | 4 |
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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 |
|
|
Default cylinders | 16,383 |
|
|
Recording density | 1421 kb/in |
|
|
Track density(avg) | 240 ktracks/in |
|
|
Areal density (avg) | 347Gb/in2 |
Spindle speed | 7200 RPM |
|
|
Internal data transfer rate (max) | 1300Mb/s |
|
|
Sustained data transfer rate OD(max) | 138MB/s |
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|
I/O | 600MB/s |
|
|
ATA | PIO modes: 0 to 4 |
| Multiword DMA modes: 0 to 2 |
| Ultra DMA modes 0 to 6 |
Cache buffer | 64MB |
|
|
Height (max) | 26.1mm / 1.028 in |
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Width (max) | 101.85mm / 4.010 in |
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Length (max) | 146.99mm / 5.787 in |
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Weight (typical) | 700g / 1.543 lb |
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|
Average latency | 4.16ms |
|
|
15s | |
|
|
Standby to ready (typical) | 15s |
|
|
Startup current (typical) 12V (peak) | 2.8A |
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Barracuda XT Series SATA Product Manual, Rev. C | 3 |