General; Introduction; Abbreviations - Hitachi 7K320 - Travelstar Mobile Hard Drive Specifications

General

1 Introduction

This document describes the specifications of the HITACHI Travelstar 7K320, a 2.5-inch hard disk
drive with Serial ATA interface:
Drive Model Number
name
HTS723232L9A360
Travelstar
7K320-320
HTS723232L9SA60
HTS723225L9A360
Travelstar
7K320-250
HTS723225L9SA60
HTS723216L9A360
Travelstar
7K320-160
HTS723216L9SA60
HTS723212L9A360
Travelstar
7K320-120
HTS723212L9SA60
HTS723280L9A360
Travelstar
7K320-80
HTS723280L9SA60
Part 1 of this document beginning on page 15 defines the hardware functional specification. Part 2 of
this document beginning on page 42 defines the interface specification.
1.1

Abbreviations

Abbreviation Meaning
32 KB 32 x 1024 bytes
64 KB 64 x 1024 bytes
" inch
A amp
AC alternating current
AT Advanced Technology
ATA Advanced Technology Attachment
Bels unit of sound power
BIOS Basic Input/Output System
°C degrees Celsius
CSA Canadian Standards Association
C-UL Canadian-Underwriters Laboratory
Cyl cylinder
DC direct current
DFT Drive Fitness Test
DMA Direct Memory Access
Max data Capacity
transfer rate (GB)
(Gbps)
3.0
320
1.5
3.0
250
1.5
3.0
160
1.5
3.0
120
1.5
3.0
80
1.5
Page 9 of 176
7K320 SATA OEM Specification
Height (mm) Rotation
speed (rpm)
9.5
9.5
9.5
9.5
9.5
7200
7200
7200
7200
7200