Seagate ST360019A ユーザーズマニュアル

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U Series 9 Product Manual, Rev. D
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 
ST3160022A, ST3120025A, ST380012A, and ST360019A 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
ST3160022A
ST3120025A
ST380012A
ST360019A
Formatted Gbytes (512 bytes/sector)
160
120
80
60
Guaranteed sectors
312,581,808
234,441,648
156,301,488
117,231,408
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
2
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
max)
56.3
Sustained data transfer rate OD (Mbytes/sec)
48
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
1 Mbyte (1,024 kbytes)
Height (mm max)
26.035 mm (1.028 inches)
Width (mm max)
101.6 mm (4.000 inches)
Length (mm max)
146.99 mm (5.787 inches)
Weight (typical)
635 grams (1.4 lb)
Average latency (msec)
4.16
Power-on to ready (sec typical)
10 sec
Standby to ready (sec typical)
10 sec
Startup current (typical) 12V (peak)
2.8 amps
Track-to-track seek time (msec typical)
<1.0 (read), <1.2 (write)
Average seek, read (msec typical)
8.5
Average seek, write (msec typical)
9.5
Seek power (typical)
12.5 watts