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6 Pipeline HD Mini Series SATA Product Manual, Rev. A
2.4 Physical organization
2.5 Recording and interface technology
2.6 Physical characteristics
Drive model Read/write heads Number of discs
ST9250311CS 2 1
ST91603110CS 2 1
Interface Serial ATA (SATA)
Recording method Perpendicular
Recording density BPI (bits/inch avg) 1,490k
Track density TPI (tracks/inch avg) 265k
Areal density (Gbits/inch
2
avg) 394
Spindle speed (RPM) (± 0.2%) 5,400
Maximum Internal transfer rate (Mbits/sec) 1,175
I/O data-transfer rate (Mbytes/sec max) 150 default / 300 available via Seagate specific SCT command
Interleave 1:1
Cache buffer 8 Mbytes (8,192 kbytes)
Drive specification
Height (mm)
(inches)
9.5 +/-0.2
0.374 +/-0.0078
Width (mm)
(inches)
69.85 +/-0.25
2.75 +/-0.0098
Length (mm)
(inches)
100.35 +0.55 / -0.25
3.957 +0.079 / -0.0098
Weight (max)
ST9250311CS
ST91603110CS
110 grams
0.243 pounds