Seagate ST340014A Barracuda 7200.7 PATA Product Manual - Page 11

Drive specifications - barracuda

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2.0 Drive specifications Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate ST3200822A, ST3200021A, ST3160023A, ST3160021A, ST3120026A, ST3120022A, ST380013A, ST380011A, 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 Formatted Gbytes (512 bytes/sector)* Guaranteed sectors Bytes per sector Default sectors per track Default read/write heads Default cylinders Physical read/write heads Discs Recording density, BPI (bits/inch max) Track density, TPI (tracks/inch max) Areal density, (Gbits/inch2 max) Spindle speed (RPM) Internal data transfer rate OD, (Mbytes/ sec max) Sustained data transfer rate OD (Mbytes/ sec) I/O data-transfer rate (Mbytes/sec max) ATA data-transfer modes supported Cache buffer ST3200021A, ST3160021A, ST3120022A, ST380011A, and ST340014A ST3200822A, ST3160023A, ST3120026A, and ST380013A Height (mm max) ST3200822A ST3200021A 200 390,721,968 512 63 16 16,383 4 2 671,500 ST3160023A ST3160021A 160 312,581,808 4 2 595,000 98,000 94,600 68.5 56.3 7,200 85.4 58 100 PIO modes 0-4 Multiword DMA modes 0-2 Ultra DMA modes 0-5 2 Mbytes (2,048 kbytes) 8 Mbytes (8,192 kbytes) 26.035 mm (1.028 inches) ST3120026A ST3120022A 120 234,441,648 3 2 595,000 94,600 56.3 ST380013A ST380011A 80 156,301,488 2 1 595,000 94,600 56.3 ST340014A 40 78,165,360 1 1 595,000 94,600 56.3 Barracuda 7200.7 Product Manual, Rev. N 3

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Barracuda 7200.7 Product Manual, Rev. N
3
2.0
Drive specifications
Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal
power. For convenience, the phrases
the drive
and
this drive
are used throughout this manual to indicate
ST3200822A,
ST3200021A,
ST3160023A,
ST3160021A,
ST3120026A,
ST3120022A,
ST380013A,
ST380011A, 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 defi-
nition, see the appropriate section of this manual.
Drive specification
ST3200822A
ST3200021A
ST3160023A
ST3160021A
ST3120026A
ST3120022A
ST380013A
ST380011A
ST340014A
Formatted Gbytes (512 bytes/sector)*
200
160
120
80
40
Guaranteed sectors
390,721,968
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
4
3
2
1
Discs
2
2
2
1
1
Recording density, BPI
(bits/inch max)
671,500
595,000
595,000
595,000
595,000
Track density, TPI
(tracks/inch max)
98,000
94,600
94,600
94,600
94,600
Areal density,
(Gbits/inch
2
max)
68.5
56.3
56.3
56.3
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
ATA data-transfer modes
supported
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–5
Cache buffer
ST3200021A, ST3160021A,
ST3120022A, ST380011A, and
ST340014A
ST3200822A, ST3160023A,
ST3120026A, and ST380013A
2 Mbytes (2,048 kbytes)
8 Mbytes (8,192 kbytes)
Height (mm max)
26.035 mm (1.028 inches)