Seagate ST3320613AS ユーザーズマニュアル
10
Barracuda 7200.11 Serial ATA Product Manual, Rev. C
2.1
Formatted capacity
*One Gbyte equals one billion 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.
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 137 Gbytes.
bit addressing support of drives with capacities over 137 Gbytes.
2.2
Default logical geometry
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.
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
ST31500341AS
1500 Gbytes
2,930,277,168
512
ST31000333AS
1000 Gbytes
1,953,525,168
512
ST3640323AS
ST3640623AS
640 Gbytes
1,250,263,728
512
ST3320613AS
ST3320813AS
320 Gbytes
625,142,448
512
ST3160813AS
160 Gbytes
312,581,808
512
Cylinders
Read/write heads
Sectors per track
16,383
16
63
ST31500341AS
ST31000333AS
ST3640323AS
ST3640623AS
ST3320613AS
ST3320813AS
ST3160813AS
Interface
Serial ATA (SATA)
Recording method
Perpendicular
Recording density
(kbits/inch max)
1462
1300
1250
Track density
(ktracks/inch avg)
190
182
Areal density
(Gbits/inch
2
avg)
277
228
219
Spindle speed (RPM)
7,200 ± 0.2%
Internal data transfer rate
(Mbits/sec max)
1709
1520
1460
Sustained data transfer rate
(Mbytes/sec max)
135
120
115
I/O data-transfer rate
(Mbytes/sec max)
300