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Momentus 5400.3 SATA Product Manual, Rev. C
2.4 Physical organization
2.5 Recording and interface technology
2.6 Physical characteristics
Drive model Read/write heads Number of discs
ST9160821AS 4 2
ST9120822AS 3 2
ST9100828AS 3 2
ST980811AS 2 1
ST960813AS 2 1
ST940814AS 1 1
Interface Serial ATA (SATA)
Recording method Perpendicular
Recording density BPI (bits/inch max) 870k
Track density TPI (tracks/inch max) 150k
Areal density (Gbits/inch
2
max) 132
Spindle speed (RPM) (± 0.2%) 5,400
Maximum Internal transfer rate (Mbits/sec) 352
I/O data-transfer rate (Mbytes/sec max) 150
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)
100.50 +/-0.25
3.957 +/-0.010
Typical weight
ST9160821AS
ST9120822AS
ST9100828AS
ST980811AS
ST960813AS
ST940814AS
100 grams
0.22 pounds
96 grams
0.21 pounds