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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 the
ST910021AS, ST980825AS, ST96023AS, and ST94015AS models.
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.
Table 1:
Drive specifications
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 in BPI (bits/inch max)
Track density TPI (tracks/inch max)
2
Areal density (Gbits/inch
max)
Spindle speed (RPM)
Internal transfer rate (Mbits/sec max)
Sustained transfer rate OD (Mbytes/sec)
I/O data transfer rate (Mbytes/sec max)
ATA data-transfer modes supported
Cache buffer (Mbytes)
Height (max)
Width (max)
Length (max)
Weight (typical)
Average latency (msec)
Power-on to ready (typical)
Standby to ready (typical)
Startup current (typical) +5V (peak)
Momentus 7200.1 SATA Product Manual, Rev. A
ST910021AS
ST980825AS
100
80
195,371,568
156,301,488
512
63
16
16,383
4
4
2
2
700,000
114,000
81
7,200
539
45.8
150 (SATA 1.0)
SATA 1.0, SATA II
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–5
8
9.5 +/- 0.2 mm (0.374 +/- .0078 inches)
69.85 mm (2.75 +/- 0.0098 inches)
100.5 +/- 1.6 mm (3.957 +/- 0.063 inches)
115 grams (0.254 lb)
4.2 msec
4 seconds
3 seconds
1.28 amps
ST96023AS
ST94015AS
60
40
117,210,240
78,140,160
3
2
2
1
3
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