H

 

H0

50

H1

50

H2

50

H3

50

Handle Streaming Error bit

74

HOB

49

Host Protected Area Feature

67

HS0

50

HS1

50

HS2

50

HS3

50

I

 

ICRCE

51

IDN

51

IDNF

51

IDX

53

IEN

49

Interface Capability for Power Modes

58

L

 

L 50

 

LBA Addressing Mode

56

Logical CHS Addressing Mode

56

M

 

Master Password

62

N

 

Non-Data commands

101

Not Sequential bit

74

P

 

Password

62

PIO Data In commands

100

PIO Data Out commands

101

POR

54

Power Management Commands

57

Power Management Feature

57

Power Mode

57

Power On Reset

54

R

 

RDY

53

Read Continuous bit

74

Read Native Max ADDRESS

67

Reassign Function

70

Register

 

Alternate Status Register

48

Command register

48

Cylinder High Register

48

Cylinder Low Register

49

Data Register

49

Device Control Register

49

Device/Head Register

50

Drive Address Register

50

Error Register

51

Features Register

52

Sector Count Register

52

Sector Number Register

52

Status Register

53

Register Initialization

55

RST

49

S

 

Sector Addressing Mode

56

Security Mode Feature Set

61

SERV

53

Set Max ADDRESS

67

SMART Function

59

Attribute thresholds

59

Attribute values

59

Attributes

59

Error Log

60

Off-line Read Scanning

60

Self-test

60

SMART commands

59

Threshold exceeded condition

59

Soft Reset

54

Software Reset

54

SRST

49

SRV

53

Standby timer

57

Streaming feature Set

73, 75, 76, 77, 81

Streaming Logs

74

T

 

T0N

51

TK0NF

51

U

 

UNC

51

Urgent bit

74, 81, 82

User Password

62

W

 

Write Cache Function

69

Write Continuous bit

74

WTG

50

257

Page 257
Image 257
Hitachi HUA722010CLA330/1, HCS721050CLA382, HCS721032CLA382, HCS721025CLA382, HCS721075CLA332, HDS721075CLA632, A7K2000 257

HCS721016CLA382, HCS721050CLA382, HCS721025CLA382, HDP725050GLA360, HUA722050CLA330/1 specifications

Hitachi's lineup of hard disk drives, including models such as HDS721075CLA632, HDS721032CLA362, HDS721032CLA662, HDS721050CLA362, and DSDS7210C09EN-04, offers a variety of features catering to different storage needs. These drives are widely recognized for their reliability, performance, and efficiency, making them suitable for both consumer and enterprise applications.

The HDS721075CLA632 model, with a capacity of 750GB, strikes a balance between performance and storage capabilities. It operates at 7200 RPM, ensuring quick access to data while maintaining low latency. Its 32MB cache enhances data transfer rates and improves overall system responsiveness. This HDD is particularly useful for gaming, multimedia, and office applications, allowing users to store a substantial amount of data with quick retrieval times.

The HDS721032CLA362 and HDS721032CLA662 share many similarities and are both designed for budget-conscious consumers. With a capacity of 320GB and a 7200 RPM, they offer efficient storage solutions for everyday tasks. The 32MB cache buffer enables efficient caching of frequently accessed files, providing a smooth experience for users.

Another notable model is the HDS721050CLA362, which features a capacity of 500GB. Like its counterparts, this drive operates at a speed of 7200 RPM and utilizes a 32MB cache, which ensures optimal performance for data-heavy applications. This model stands out for its energy efficiency, resulting in lower operational costs, making it an appealing choice for businesses and energy-conscious consumers alike.

On the other hand, the DSDS7210C09EN-04 is a part of Hitachi's enterprise-oriented offerings. This drive is engineered for demanding applications, featuring advanced technologies such as error recovery controls and enhanced data protection features. With a focus on reliability and performance, the DSDS7210C09EN-04 serves well in server environments and for high-performance computing.

Hitachi's hard drives incorporate various technologies that enhance their performance and durability. Features such as staggered start-up, which gradually powers on the drive, help minimize power surges and increase the longevity of the device. Moreover, Hitachi's commitment to quality ensures that each drive undergoes rigorous testing, guaranteeing functionality and reliability.

Overall, the diverse range of models from Hitachi provides effective solutions for anyone from casual users to enterprises, combining storage capacity with advanced technologies to meet the evolving demands of modern data storage.