Seagate DiamondMax 23 250-GB SATA STM3250318AS Manual Do Utilizador
Códigos do produto
STM3250318AS
10
DiamondMax 23 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
STM31000528AS
1000 Gbytes
1,953,525,168
512
STM3750528AS
750 Gbytes
1,465,149,168
STM3500418AS
500 Gbytes
976,773,168
STM3320418AS
320 Gbytes
625,142,448
STM3250318AS
250 Gbytes
488,397,168
STM3160318AS
160 Gbytes
312,581,808
Cylinders
Read/write heads
Sectors per track
16,383
16
63
Interface
Serial ATA (SATA)
Recording method
Perpendicular
Recording density (kbits/inch max)
1413
Track density (ktracks/inch avg)
236
Areal density (Gbits/inch
2
avg)
329
Spindle speed (RPM)
7,200 ± 0.2%
Internal data transfer rate (Mbits/sec max)
1695
Sustained data transfer rate (Mbytes/sec max)
125
I/O data-transfer rate (Mbytes/sec max)
300