Seagate Barracuda 7200.7 ST3120022A, Руководство по эксплуатации продукта

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Barracuda 7200.7 Product Manual, Rev. D 3
2.0 Drive specifications
Unless otherwise noted, all specifications are measured under ambient con-
ditions, at 25°C, and nominal power. For convenience, the phrases the drive
and this drive are used throughout this manual to indicate ST3160021A,
ST3160023A, ST3120022A, ST3120026A, ST380011A, ST380013A, and
ST340014A model drives.
2.1 Specification summary table
The specifications listed in this table are for quick reference. For details on
specification measurement or definition, see the appropriate section of this
manual.
Drive specification
ST3160021A
ST3160023A ST3120022A
ST3120026A ST380011A
ST380013A
ST340014A
Formatted Gbytes
(512 bytes/sector) 160 120 80 40
Guaranteed sectors 312,581,808 234,441,648 156,301,488 78,165,360
Bytes per sector 512
Default sectors per track 63
Default read/write heads 16
Default cylinders 16,383
Physical read/write heads 4 3 2 1
Discs 2 2 1 1
Recording density
BPI (bits/inch max) 595,000
Track density TPI
(tracks/inch max) 94,600
Areal density
(Mbits/inch
2
max)
56.3
Spindle speed (RPM) 7,200
Internal data
transfer rate OD
(Mbytes/sec max) 85.4
Sustained data transfer rate
OD (Mbytes/sec) 58
I/O data-transfer rate
(Mbytes/sec max) 100