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Momentus 5400 FDE.3 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
ST9320322AS 4 2
ST9160312AS 2 1
ST9120312AS 2 1
Interface Serial ATA (SATA)
Recording method Perpendicular
Recording density BPI (bits/inch max) 1,337k
Track density TPI (tracks/inch max) 191.5k
Areal density (Gbits/inch
2
max)
253
Spindle speed (RPM) (± 0.2%) 5,400
Maximum Internal transfer rate (Mbits/sec) 830
I/O data-transfer rate (Gbits/sec max) 3.0
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 +/-0.249
2.75 +/-0.0098
Length (mm)
(inches)
100.33 +/-0.25
3.95 +/-0.010
Typical weight
ST9320322AS
ST9160312AS
ST9120312AS
98 grams
0.212 pounds
93 grams
0.205 pounds