Seagate BarraCuda Product Manual, Rev. D
9
www.seagate.com
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 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
2.5
Physical characteristics
Model
Formatted capacity*
Guaranteed sectors
Bytes per sector
2TB
2000GB
3,907,029,168
4096
Interface
SATA
Recording method
TGMR
Recording density
(kBPI)
2200
Track density
(ktracks/inch avg)
540
Areal density
(Gb/in
2
)
1188
Interface transfer rate
(MB/s)
600
Data transfer rate
(MB/s)
up to 220
Maximum height
2TB
20.20mm / 0.795 in
Maximum width
101.6mm / 4.0 in (± 0.010 in)
Maximum length
146.99mm / 5.787 in
Typical weight
2TB
415g / 0.915 lb
Cache buffer
256MB
