Seagate ST380815AS ユーザーズマニュアル
Barracuda 7200.10 Serial ATA Product Manual, Rev. K
27
2.4
Recording and interface technology
* 7200.10 family product achieved higher sustained data rate over same 7200.9 family capacity points using identical measurement
methodology.
Model capacity
750
500
400
320
300
Interface
Serial ATA (SATA)
Recording method
Perpendicular
Recording density (kbits/inch avg)
769
Track density (ktracks/inch avg)
141
Areal density (Gbits/inch
2
avg)
109
Spindle speed (RPM)
7,200 ± 0.2%
Internal data transfer rate (Mbits/sec max)
1,030
Sustained data transfer rate (read) (Mbytes/sec max)
78
72
I/O data-transfer rate (Mbytes/sec max)
300
Model capacity
160
120
80
40
Interface
Serial ATA (SATA)
Recording method
Perpendicular
Recording density (kbits/inch avg)
732
Track density (ktracks/inch avg)
137.259
Areal density (Gbits/inch
2
avg)
101
Spindle speed (RPM)
7,200 ± 0.2%
Internal data transfer rate (Mbits/sec max)
930
Sustained data transfer rate (read) (Mbytes/sec max)
78 *
I/O data-transfer rate (Mbytes/sec max)
300
Model capacity
ST3250620AS, ST3250820AS
and ST3200820AS
ST3250410AS and
ST3250310AS
Interface
Serial ATA (SATA)
Recording method
Perpendicular
Recording density (kbits/inch avg)
769
1,049
Track density (ktracks/inch avg)
141
155
Areal density (Gbits/inch
2
avg)
109
163
Spindle speed (RPM)
7,200 ± 0.2%
Internal data transfer rate (Mbits/sec max)
1,030
1,212
Sustained data transfer rate (read) (Mbytes/sec max)
72
106
I/O data-transfer rate (Mbytes/sec max)
300