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Barracuda SATA Product Manual, Rev. G 15
www.seagate.com
Drive Specifications
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 SATA
Recording method TGMR
Recording density (kFCI)
3TB, 2TB, 1.5TB, 1TB and 750GB models 1807
500GB, 320GB and 250GB models 1413
Track density (ktracks/inch avg) 352
Areal density (Gb/in
2
)
3TB, 2TB, 1.5TB, 1TB and 750GB models 625
500GB, 320GB, 250GB models 329
Spindle speed (RPM) 7200 ± 0.2%
Internal data transfer rate (Mb/s max) 2147
Maximum sustained data transfer rate, OD read (MB/s)
3TB, 2TB, 1.5TB, 1TB and 750GB models 210
500GB, 320GB, 250GB models 144
Average data rate, read/write (MB/s)
3TB, 2TB, 1.5TB, 1TB and 750GB models 156
500GB, 320GB, 250GB models 125
I/O data-transfer rate (MB/s max) 600