Table 1: | Drive specifications summary for 1000 Gbyte models | |
|
| |
Drive specification | STM31000334AS | |
|
| |
Formatted capacity (512 bytes/sector)* | 1000 Gbytes | |
|
| |
Guaranteed sectors | 1,953,525,168 | |
|
|
|
Heads |
| 6 |
|
|
|
Discs |
| 3 |
|
| |
Bytes per sector | 512 | |
|
| |
Default sectors per track | 63 | |
|
| |
Default read/write heads | 16 | |
|
| |
Default cylinders | 16,383 | |
|
| |
Recording density | 1300kbits/in max | |
|
|
|
Track density |
| 182 ktracks/in avg |
|
|
|
Areal density |
| 228 Gbits/in2 avg |
Spindle speed |
| 7,200 RPM |
|
| |
Internal data transfer rate | 1520 Mbits/sec max | |
|
| |
Sustained data transfer rate OD | 120 Mbytes/sec max | |
|
| |
I/O | 300 Mbytes/sec max | |
|
| |
ATA | PIO modes | |
|
| Multiword DMA modes |
|
| Ultra DMA modes |
|
|
|
Cache buffer |
| 32 Mbytes |
|
|
|
Height (max) |
| 26.1 mm (1.028 inches) |
|
|
|
Width (max) |
| 101.6 mm (4.000 inches) +/- 0.010 inches |
|
|
|
Length (max) |
| 146.99 mm (5.787 inches) |
|
| |
Weight (typical) | 630 grams (1.389 lb.) | |
|
| |
Average latency | 4.16 msec | |
|
| |
20 sec max | ||
|
| |
Standby to ready | 15 sec max | |
|
| |
<0.8 msec typical read; | ||
|
| <1.0 msec typical write |
|
| |
Average seek, read | <8.5 msec typical | |
|
| |
Average seek, write | <10.0 msec typical | |
|
| |
Startup current (typical) 12V (peak) | 2.8 amps | |
|
| |
Voltage tolerance (including noise) | 5V +10% / | |
|
| 12V +10% / |
Ambient temperature | 0° to 60°C per hour max (operating) | |
|
| |
|
| |
Temperature gradient | 20°C per hour max (operating) | |
|
| 30°C per hour max (nonoperating) |
|
| |
Relative humidity | 5% to 95% (operating) | |
|
| 5% to 95% (nonoperating) |
Relative humidity gradient | 30% per hour max | |
|
| |
Wet bulb temperature | 37.7°C max (operating) | |
|
| 40.0°C max (nonoperating) |
|
| |
Altitude, operating | ||
|
| |
Altitude, nonoperating | ||
(below mean sea level, max) | ||
|
| |
Operational Shock | 70 Gs max at 2 msec | |
|
| |
300 Gs max at 2 msec | ||
|
|
|
4 | DiamondMax 22 Serial ATA Product Manual, Rev. A |