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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
ST3400832ACE, ST3300831ACE, ST3250823ACE and ST3200826ACE 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 specifications
Table 1:
Drive specification
Formatted Gbytes
(512 bytes/sector)
Guaranteed sectors
Bytes per sector
Default sectors per track
Default read/write heads
Default cylinders
Recording density, BPI
(bits/in max)
Track density, TPI
(tracks/in max)
Areal density,
2
(Mbits/in
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
Height (mm max)
Width (mm max)
Length (mm max)
Weight (typical)
Average latency (msec)
Power-on to ready (sec max)
Standby to ready (sec max)
DB35 Series Product Manual, Rev. B
ST3400832ACE
ST3300831ACE
400
300
781,422,768
586,072,368
512
63
16
16,383
763,000
120,000
91,560
7,200
95
65
100
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–5
8 Mbytes (8,192 kbytes)
26.11 mm (1.028 inches)
101.85 mm (4.010 inches)
146.99 mm (5.787 inches)
635 grams (1.39 lb.)
4.16
15.5 sec
14.0 sec
ST3250823ACE
ST3200826ACE
250
200
488,397,168
390,721,968
3
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