Drive Specification* | ST4000VX007 | ST3000VX010 | ST2000VX008 | ST1000VX005 |
Formatted capacity (512 bytes/sector)** | 4000GB (4TB) | 3000GB (3TB) | 2000GB (2TB) | 1000GB (1TB) |
Guaranteed sectors | 7,814,037,168 | 5,860,533,168 | 3,907,029,168 | 1,953,525,168 |
Heads | 6 | 6/5 | 4 | 2 |
Disks | 3 | 3 | 2 | 1 |
Bytes per sector (4K physical emulated at 512-byte sectors) | 4096 | |||
Default sectors per track | 63 | |||
Default read/write heads | 16 | |||
Default cylinders | 16,383 | |||
Recording density (max) | 2089kBPI | 1740kBPI | 1807kFCI | |
Track density (avg) | 388ktracks/in | 346ktracks/in | 352ktracks/in | |
Areal density (avg) | 810Gb/in2 | 613Gb/in2 | 625Gfc/in2 | |
Internal data transfer rate (max) | 2107Mb/s | 1813Mb/s | 2147Mb/s | |
Maximum sustained data rate, OD read (MB/s) | 190MB/s | 180MB/s | ||
ATA data-transfer modes supported | PIO modes: 0 to 4 Multiword DMA modes: 0 to 2 Ultra DMA modes 0 to 6 | |||
I/O data-transfer rate (max) | 600MB/s | |||
Cache buffer | 64MB | |||
Height (max) | 26.1mm / 1.028 in | 20.20mm / 0.795 in | ||
Width (max) | 101.6mm /4.010 in | |||
Length (max) | 146.99mm / 5.787 in | |||
Weight (max) | 608g / 1.34 lb | 610g / 1.40 lb | 535g/1.18 lb | 415g / 0.915 lb |
Average latency | 5.1ms | |||
Power-on to ready (max) | <17.0s | <6.0s | ||
Standby to ready (max) | <17.0s | <6.0s | ||
Average seek, read (typical) Average seek, write (typical) | <12.0ms <12.0ms | <8.5ms <19.5ms | ||
Startup current (typical) 12V | 1.8A | 1.2A | ||
Voltage tolerance (including noise) | 5V: ±5% 12V: ±10% | |||
Non-Operating (Ambient °C) | -40 to 70 | |||
Operating ambient temperature (min °C) | 0 | |||
Operating temperature (drive case max °C) | 70 † | |||
Temperature gradient | 20°C per hour max (operating) 30°C per hour max (nonoperating) | |||
Relative humidity | 5% to 90% (operating) 5% to 95% (nonoperating) | |||
Relative humidity gradient (max) | 30% per hour | |||
Wet bulb temperature (max) | 26°C max (operating) 29°C max (nonoperating) | |||
Altitude, operating | –304m to 3048m (–1000 ft to 10,000 ft) | |||
Altitude, non-operating (below mean sea level, max) | –304m to12,192m (–1000ft to 40,000+ ft) | |||
Operational Shock (max) | 80 Gs at 2ms |