Physical Organization; Recording And Interface Technology; Physical Characteristics - Seagate Barracuda ATA Series Product Manual

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1.2 Physical organization

Drive Model
ST328040A/ST327240A
ST320430A
ST313620A
ST310220A
ST36810A

1.3 Recording and interface technology

Interface
Recording method
Recording density KBPI (bits/inch)
Track density TPI (tracks/inch)
Areal density (Mbits/inch
Spindle speed (RPM) ( 0.2%)
Internal data-transfer rate
(Mbits/sec max)
I/O data-transfer rate
(Mbytes/sec max)
Interleave
Cache buffer (Kbytes)

1.4 Physical characteristics

Drive Specification
Maximum height (mm)
(inches)
Maximum width (mm)
(inches)
Barracuda ATA Family Product Manual, Rev. B
Read/Write heads (GMR)
8
6
4
3
2
ATA
16/17 EPRML
305
16,420
2
max) 5,100
7,200
323
16.6 (PIO mode 4)
66.6 (Ultra DMA mode 4)
1:1
512
ST328040A, ST327240A, ST320430A,
ST313620A, ST310220A, ST36810A
Number of discs
4
3
2
2
1
26.1
1.028
101.8
4.020