Recording And Interface Technology; Physical Characteristics - Seagate ST9500421AS Product Manual

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 (Gbits/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
ST9500421AS
ST9500426ASG
ST9320426AS
ST9320426ASG
ST9250411AS
ST9250464ASG
ST9160413AS
ST9160418ASG
Momentus 7200 FDE.2 SATA Product Manual, Rev. A
max)
9.5 +/-0.2
0.370 +/-0.008
69.85 +/-0.25
2.750 +/-0.010
100.35 +0.20 / -0.25
3.951 +0.008 / -0.010
110 grams
0.238 pounds
105 grams
0.227 pounds
Serial ATA (SATA)
Perpendicular
1,490k
265k
394
7,200
1.23
3.0
1:1
16 Mbytes
7