8
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
Summary of Contents for ST9120312AS
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