Seagate Archive HDD Product Manual, Rev. A
9
www.seagate.com
Drive Specifications
2.1
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.
2.1.1 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 4.3.2, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-bit
addressing support of drives with capacities over 137GB.
2.2
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
.
2.3
Recording and interface technology
Model
Formatted capacity*
Guaranteed sectors
Bytes per sector
ST8000AS0022
8000GB
15,628,053,168
512
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) 190
I/O data-transfer rate
(MB/s max)
600
