4 Drive characteristics

This section describes the characteristics of the drive.

4.1Default logical drive parameters

The default of the logical drive parameters in Identify Device data is as shown below.

Description

 

160GB model

250GB model

Physical Layout

 

 

 

Label capacity (GB)

 

160

250

Bytes per Sector

 

512

512

Number of Heads

 

1

1

Number of Disks

 

1

1

Logical Layout2

 

 

 

Number of Heads

 

16

16

Number of Sectors/ Track

 

63

63

Number of Cylinders1

 

16,383

16,383

Number of Sectors

 

312,581,808

488,397,168

Total Logical Data Bytes

 

160,041,885,696

250,059,350,016

Table 2 Formatted capacity

 

 

Description

320GB model

500GB model

 

 

Physical Layout

 

 

Label capacity (GB)

320

500

Bytes per Sector

512

512

Number of Heads

2

2 or 4

Number of Disks

1

1 or 2

Logical Layout2

 

 

Number of Heads

16

16

Number of Sectors/ Track

63

63

Number of Cylinders1

16,383

16,383

Number of Sectors

625,142,448

976,773,168

Total Logical Data Bytes

320,072,933,376

500,107,862,016

Table 3 Formatted capacity --Continued--

 

Description

640GB model

750GB model

 

 

Physical Layout

 

 

Label capacity (GB)

640

750

Bytes per Sector

512

512

Number of Heads

3

3 or 4

Number of Disks

2

2

Logical Layout2

 

 

Number of Heads

16

16

Number of Sectors/ Track

63

63

Number of Cylinders1

16,383

16,383

Number of Sectors

1.250,263,728

1,465,149,168

Total Logical Data Bytes

640,135,028,736

750,156,374,016

Table 4 Formatted capacity --Continued--

- Hitachi hard disk drive specifications –

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Hitachi HDS721025CLA682, HCS721050CLA382, HCS721032CLA382, A7K2000 Default logical drive parameters, Formatted capacity

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.