Seagate BarraCuda Product Manual, Rev. D
10
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
ST3000DM008 & ST3000DM009
3000GB
5,860,533,168
4096
ST2000DM006 & ST2000DM007
2000GB
3,907,029,168
ST1000DM010
1000GB
1,953,525,168
ST500DM009
500GB
976,773,168
Interface
SATA
Recording method
TGMR
Recording density
(kFCI)
1807
Track density
(ktracks/inch avg)
352
Areal density
(Gb/in
2
)
625
Spindle speed
(RPM)
7200 ± 0.2%
Internal data transfer rate
(Mb/s max)
2147
Maximum sustained data transfer rate, OD read
(MB/s) 210
Average data rate, read/write
(MB/s)
156
I/O data-transfer rate
(MB/s max)
600
