8 SV35 Series SATA Product Manual, Rev. D

2.2 Formatted capacity
Model
Formatted
capacity*
Guaranteed
sectors
Bytes per sector
ST2000VX002 2TB 3,907,029,168 4096 (512 bytes per
sector emulated at the
interface)
ST31000526SV
1TB 1,953,525,168
512
ST31000525SV
ST3500411SV
500GB 976,773,168
ST3500410SV
ST3250311SV 250GB 488,397,168
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.

2.2.1 LBA mode

When addressing the drive in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1, where n is

the number of guaranteed sectors as defined above.

See Section 4.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-bit

addressing support of drives with capacities over 137 Gbytes.

2.3 Default logical geometry
Cylinders Read/write heads Sectors per track
16,383 16 63

LBA mode

When addressing the drive in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1, where n is

the number of guaranteed sectors as defined above.

2.4 Recording and interface technology
ST2000VX002 ST31000526SV, ST31000525SV,
ST3500411SV, ST3500410SV,
ST3250311SV
Interface Serial ATA (SATA) Serial ATA (SATA)
Recording method Perpendicular Perpendicular
Recording density- kb/in (max) 1632kb/in 1,474 kbits/in max
Track density- ktracks/in (avg) 274 ktracks/in avg 236 ktracks/in avg
Areal density- Gb/in2 (avg) 422 Gb/in2345 Gbits/in2 avg
Internal data transfer rate 1928 Mb/s max 1628 Mbits/sec max
Sustained data transfer rate
(max)
144 140
I/O data-transfer rate (max) 600 300