Recording And Interface Technology; Physical Characteristics - Seagate ST9120822A - Momentus 5400.3 120 GB Hard Drive Product Manual

2.5

Recording and interface technology

Technology
Interface
Recording method
Recording density BPI (bits/inch typical)
Track density TPI (tracks/inch typical)
2
Areal density (Gbits/inch
Spindle speed (RPM) (± 0.2%)
Internal data-transfer rate OD (Mbits/sec max)
I/O data-transfer rate (Mbytes/sec max)
Interleave
Cache buffer
2.6

Physical characteristics

Height (mm)
(inches)
Width (mm)
(inches)
Length (mm)
(inches)
Typical weight
ST9160821A
ST9120822A
ST9100828A
ST980815A
ST960815A
ST940815A
10
max)
9.5 +/–0.2
0.374 +/–0.008
69.85 +/–0.25
2.750 +/–0.010
100.50 +/–0.25
3.957 +/–0.010
102 grams
0.22 pounds
98 grams
0.216 pounds
Specification
Parallel ATA
Perpendicular
835k
150k
132
5,400
352
100 (Ultra DMA mode 5)
1:1
8 Mbytes (8,192 kbytes)
Momentus 5400.3 PATA Product Manual, Rev. C