Product manual
Table Of Contents
- 1.0 Introduction
- 2.0 Drive specifications
- 2.1 Specification summary table
- 2.2 Formatted capacity
- 2.3 Default logical geometry
- 2.4 Physical organization
- 2.5 Recording and interface technology
- 2.6 Physical characteristics
- 2.7 Seek time
- 2.8 Start/stop times
- 2.9 Power specifications
- 2.10 Environmental specifications
- 2.11 Acoustics
- 2.12 Electromagnetic immunity
- 2.13 Reliability
- 2.14 Agency certification
- 3.0 Configuring and mounting the drive
- 4.0 ATA interface
- 5.0 Seagate Technology support services
Barracuda ATA V Product Manual, Rev. E 3
2.0 Drive specifications
Unless otherwise noted, all specifications are measured under ambient con-
ditions, at 25°C, and nominal power. For convenience, the phrases the drive
and this drive are used throughout this manual to indicate ST3120023A,
ST380023A, ST360015A, ST340017A and ST330013A 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
ST3120023A ST380023A ST360015A ST340017A ST330013A
Formatted Gbytes
(512 bytes/sector)
120 80 60 40 30
Guaranteed
sectors
234,441,648 156,301,488 117,231,408 78,165,360 58,633,344
Bytes per sector 512
Default sectors
per track
63
Default read/write
heads
16
Default cylinders 16,383
Physical read/write
heads
43221
Discs 2 2 1 1 1
Recording density
BPI (bits/inch max)
542,000
Track density TPI
(tracks/inch max)
78,000
Areal density
(Mbits/inch
2
max)
42,200
Spindle speed
(RPM)
7,200
Max. Internal
transfer rate
(Mbits/sec)
570
Sustained transfer
rate (Mbytes/sec)
27 to 44