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Seagate Archive HDD Product Manual, Rev. A 5
www.seagate.com Drive Specifications
2.2 Formatted capacity
*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 5.3.1, "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
Model Formatted capacity* Guaranteed sectors Bytes per sector
ST8000AS0002 & ST8000AS0012 8000GB 15,628,053,168
512
ST6000AS0002 & ST6000AS0012 6000GB 11,721,045,168
Interface
SATA
Recording method TGMR
Recording density (KFCI) 1950
Track density (Ktracks/inch avg) 435
Areal density (Gb/in
2
) 848
Internal data transfer rate (Mb/s max) 1900
Maximum sustained data transfer rate, OD read (MB/s) 150
Average data rate, read/write (MB/s) 190
I/O data-transfer rate (MB/s max) 600