Physical Organization; Recording And Interface Technology; Physical Characteristics - Seagate Momentus 5400 FDE.3 SATA Product Manual

2.4

Physical organization

Drive model
ST9320322AS
ST9160312AS
ST9120312AS
2.5

Recording and interface technology

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

Physical characteristics

Drive specification
Height (mm)
(inches)
Width (mm)
(inches)
Length (mm)
(inches)
Typical weight
ST9320322AS
ST9160312AS
ST9120312AS
8
Read/write heads
4
2
2
max)
9.5 +/-0.2
0.374 +/-0.0078
69.85 +/-0.249
2.75 +/-0.0098
100.33 +/-0.25
3.95 +/-0.010
98 grams
0.212 pounds
93 grams
0.205 pounds
Number of discs
2
1
1
Serial ATA (SATA)
Perpendicular
1,337k
191.5k
253
5,400
830
3.0
1:1
8 Mbytes (8,192 kbytes)
Momentus 5400 FDE.3 SATA Product Manual, Rev. A