Formatted Capacity; Lba Mode; Default Logical Geometry; Recording And Interface Technology - Seagate ST4000VX000 Product Manual

2.2 Formatted capacity

Model
ST4000VX000 and ST4000VX002
ST3000VX002
*One GB equals one billion bytes and 1TB equals one trillion bytes when referring to hard drive capacity. Accessible capacity may vary depending on
operating environment and formatting.

2.2.1 LBA mode

When addressing these drives 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 137GB.

2.3 Default logical geometry

• Cylinders: 16,383
• Read/write heads: 16
• Sectors per track: 63
LBA mode
When addressing these drives 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

Interface
Recording method
Recording density (kFCI)
Track density (ktracks/inch avg)
2
Areal density (Gb/in avg)
Internal data transfer rate (Mb/s max)
Maximum sustained data transfer rate, OD read (MB/s)
I/O data-transfer rate (MB/s max)
Seagate NAS HDD and NAS +SRS HDD Product Manual, Rev. E
Formatted capacity* Guaranteed sectors
4000GB 7,814,037,168
3000GB 5,860,533,168
4TB
3TB
4TB
3TB
4TB
3TB
Bytes per sector
SATA
TGMR
2054
1849
390
811
730
2111
1858
190
600
Drive Specifications
4K
9