Drive Specifications; Specification Summary - Seagate ST9100823A Product Manual

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
ST9100823A, ST9808211A, ST960822A, ST9408114A, and ST9308110A model drives.
2.1

Specification summary

The specifications listed in this table are for quick reference. For details on specification measurement or
definition, see the appropriate section of this manual.
Table 1: Specifications
Drive specification
Formatted Gbytes (512 bytes/sector)
Guaranteed sectors
Bytes per sector
Physical read/write heads
Discs
Cache (Mbytes)
Recording density, BPI (bits/inch typical)
Track density. TPI (tracks/inch typical)
2
Areal density (Gbits/inch max)
Spindle speed (RPM)
Internal data transfer rate OD
(Mbytes/sec max)
I/O data-transfer rate (Mbytes/sec max)
ATA data-transfer modes supported
Height
Width
Length
Weight (typical)
Average latency (msec)
Power-on to ready (sec typical)
Standby to ready (sec typical)
Startup current 5V (typical)
Track-to-track seek time (msec typical)
Average seek time (msec typical)
Average seek, read (msec typical)
Average seek, write (msec typical)
Full-stroke seek (msec)
Seek power (typical)
Momentus 5400.2 Product Manual, Rev. C
ST9100823A ST9808211A ST960822A ST9408114A ST9308110A
100 80
195,371,568 156,301,488
512
4 3
2 2
8
703,000
115,000
86
5,400
48.25
100
PIO modes 0–4; Multiword DMA modes 0–2; Ultra DMA modes 0–5
9.5 +/-0.2 mm (0.374 +/-.008 inches)
69.85 +/-0.25 mm (2.750 +/-0.010 inches)
100.2 +/-0.25 mm (3.945 +/-0.010 inches)
100 grams (0.22 lb)
5.6
3.5
3.0
1.0 amps
1.0 (read), 1.5 (write)
12.5
12.5
14.5
22 (typical); 24 (max)
2.3 watts
60 40
117,210,240 78,140,160
3 2
2 1
30
58,605,120
2
1
3