Physical Organization; Recording And Interface Technology - Seagate Barracuda ATA III Family Product Manual

6 Barracuda ATA III Family Product Manual, Rev. B

1.2 Physical organization

Drive Model
ST340824A
ST330620A
ST320414A
ST315310A
ST310215A

1.3 Recording and interface technology

Interface
Recording method
Recording density BPI (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
Read/Write heads
(GMR)
4
3
2
2
1
ATA
16/17 EPRML
470,000
31,700
2
max) 14,900
7,200
500
16.6 (PIO mode 4)
100 (Ultra DMA mode 5)
1:1
2 Mbytes
Number of discs
2
2
1
1
1