Thông số kỹ thuật
Model | ST12000VE0008 |
Formatted (512 bytes/sector) | 12TB |
Heads | 15 |
Discs | 8 |
Bytes per logical sector | 512 |
Bytes per physical sector | 4096 |
Recording density, KBPI (Kb/in max) | 2426 |
Track density, KTPI (ktracks/in avg.) | 436 |
Areal density, (Gb/in2 avg) | 1058 |
Spindle speed (RPM) | 7200 |
Internal data transfer rate (Mb/s max) | 2833 |
Sustained data transfer rate OD (MiB/s max) | 239 (250 MB/s max) |
I/O data-transfer rate (MB/s max) | 600 |
ATA data-transfer modes supported | PIO modes 0–4 Multiword DMA modes 0–2 Ultra DMA modes 0–6 |
Cache buffer | 256MB (262,144KB) |
Weight: (maximum) | 690g (1.521 lb) |
Average latency | 4.16ms |
Power-on to ready (sec) (typ/max) | 23/30 |
Standby to ready (sec) (typ/max) | 23/30 |
Startup current (typical) 12V (peak) | 1.8A |
Voltage tolerance (including noise) | 5V ± 5% 12V ± 10% |
Operating drive temperature | 5° to 70°C (Drive Reported Temperature) |
Non-Operating temperature | –40° to 70°C (Ambient Temperature, see sections 1.2.6.0.1 and 1.2.15) |
Temperature gradient (°C per hour max) | 20°C (operating) 30°C (nonoperating) |
Relative humidity | 5% to 95% (operating) 5% to 95% (nonoperating) |
Relative humidity gradient | 30% per hour max |
Altitude, operating | –304.8 m to 3,048 m (–1000 ft to 10,000+ ft) |
Altitude, nonoperating (below mean sea level, max) | –304.8 m to 12,192 m (–1000 ft to 40,000+ ft) |
Operational Shock (max at 2 ms - typical) | Read 70 Gs / Write 40 Gs |
Non-Operational Shock (max at 2 ms - typical) | 250 Gs |
Vibration, operating | 5–22 Hz: 0.25 Gs, Limited displacement 22–350 Hz: 0.50 Gs 350–500 Hz: 0.25 Gs |
Operation Rotational vibration | 20–1500Hz: 12.5 rads/s² |
Vibration, nonoperating | 2–500 Hz: 2.27 Grms ref |