Seagate ST9250827AS Manuel D’Utilisation
6
Momentus 5400.4 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
ST9250827AS
4
2
ST9200827AS
4
2
ST9160827AS
3
2
ST9120817AS
2
1
Interface
Serial ATA (SATA)
Recording method
Perpendicular
Recording density BPI (bits/inch max)
1,180k
Track density TPI (tracks/inch max)
173k
Areal density (Gbits/inch
2
max)
204
Spindle speed (RPM) (
±
0.2%)
5,400
Internal transfer rate (Mbits/sec, max)
778
Sustained transfer rate (Mbytes/sec, max)
58
I/O data-transfer rate (Mbytes/sec max)
300
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)
100.20 +/-0.25
3.945 +/-0.010
Typical weight
ST9250827AS
ST9200827AS
ST9160827AS
ST9120817AS
102 grams
0.23 pounds
97 grams
0.21 pounds