7K200 SATA OEM Specification

Table of Contents

 

GENERAL

10

1 INTRODUCTION

10

1.1

Abbreviations

10

1.2

References

13

1.3

General caution

13

1.4

Drive handling precautions

13

2 OUTLINE OF THE DRIVE

14

PART 1 FUNCTIONAL SPECIFICATION

15

3 FIXED DISK SUBSYSTEM DESCRIPTION

16

3.1

Control Electronics

16

3.2

Head disk assembly data

16

4 FIXED DISK CHARACTERISTICS

17

4.1

Formatted capacity by model number

....................................................................................17

4.2

Data sheet

18

4.3

Cylinder allocation

18

4.4

Performance characteristics

19

5 DATA INTEGRITY

23

5.1

Data loss on power off

23

5.2

Write Cache

23

5.3

Equipment status

23

5.4

WRITE safety

23

5.5

Data buffer test

24

5.6

Error recovery

24

5.7

Automatic reallocation

24

5.8

ECC

25

6 SPECIFICATION

26

6.1

Environment

26

6.2

DC power requirements

28

6.3

Reliability

30

6.4

Mechanical specifications

33

6.5

Vibration and shock

35

6.6

Acoustics

37

6.7

Identification labels

38

6.8

Electromagnetic compatibility

38

6.9

Safety

39

6.10

Packaging

39

6.11

Substance restriction requirements

39

7 ELECTRICAL INTERFACE SPECIFICATIONS

40

7.1

Cabling

40

7.2

Interface connector

40

7.3

Signal definitions

41

PART 2 INTERFACE SPECIFICATION

43

8 GENERAL

44

8.1

Introduction

44

8.2

Terminology

44

9 DEVIATIONS FROM STANDARD

45

10 PHYSICAL INTERFACE

45

11 REGISTERS

45

11.1

Register naming convention

46

11.2

Command register

47

11.3

Device Control Register

47

11.4

Device Register

47

 

 

3/173

Page 3
Image 3
Hitachi HDS723020BLA642 manual Table of Contents

HDS723020BLA642 specifications

The Hitachi HDS723020BLA642 is a high-performance hard disk drive that exemplifies the balance between reliability and advanced technology, making it an excellent choice for a range of applications, from desktop computers to enterprise storage solutions. This 2TB SATA hard drive is designed to meet the growing data storage needs of users who demand both speed and efficiency.

One of the key features of the HDS723020BLA642 is its impressive rotational speed of 7200 RPM. This speed facilitates faster data access and improved overall performance, significantly enhancing the user experience during data-intensive operations such as gaming, video editing, and large file transfers. Coupled with a SATA III interface, this drive facilitates data transfer rates of up to 6 Gb/s, providing an efficient conduit for moving data quickly between the hard drive and the motherboard.

The drive comes equipped with a large 64 MB cache, which plays a crucial role in buffering read and write operations. This substantial amount of cache memory allows the drive to temporarily store frequently accessed data, leading to reduced latency and enabling smoother multitasking capabilities. Users will benefit from faster load times and reduced wait periods when working with large files.

Reliability is another defining characteristic of the HDS723020BLA642. Hitachi, now a part of Western Digital, has a longstanding reputation for producing durable hard drives. This model incorporates advanced technologies, such as the Fluid Dynamic Bearing (FDB) for quieter operation and better longevity. The drive also features an enhanced error recovery system that minimizes the risk of data loss, making it a suitable option for both personal and professional use.

In terms of power efficiency, the HDS723020BLA642 is designed to consume less power during operation compared to older hard drive models. This efficiency not only helps in reducing operational costs but also contributes to a longer lifespan for the drive itself.

Overall, the Hitachi HDS723020BLA642 hard drive combines speed, reliability, and efficiency into a compact package, making it an ideal choice for users needing a substantial amount of storage without compromising on performance. Whether for upgrading an existing system or building a new one, this drive offers a blend of technology and durability that caters to modern storage demands.