4.2

Data sheet

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Description

160GB

250GB

320GB

500GB

640GB

750GB

750GB

1TB

 

3HD

4HD

 

Model

Model

Model

Model

Model

Model

 

 

Model

Model

 

 

 

 

 

 

 

 

Max Data transfer rate (Mbps)

1484

1546

1484

1546

1484

1546

1484

1546

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Interface transfer rate (MB/s)

 

 

300(SATA)

600(SATA)

 

 

Data buffer size1

8MB

8MB

8MB

8MB

32MB

32MB

32MB

32MB

 

 

16MB

16MB

 

 

 

 

 

 

 

 

 

32MB

 

 

 

 

Rotational speed (RPM)

 

 

 

7,200

 

 

 

Number of buffer segments (read)

 

 

 

up to 128

 

 

 

Number of buffer segments (write)

 

 

 

up to 112

 

 

 

Recording density- max (Kbpi)

1368

1429

1368

1429

1368

1429

1368

1429

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Track density (Ktpi)

227

245

227

245

227

245

227

245

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Areal density - max (Gbits/in2)

311

350

311

350

311

350

311

350

 

 

 

 

 

 

 

 

 

Number of data bands

 

 

 

30

 

 

 

1Upper 2024KB(8MB) / 2272.5KB(16MB)/ 2768.5KB(32MB) are used for firmware

Table 6 Mechanical positioning performance

4.3World Wide Name Assignment

Description of

160GB

 

250GB

320GB

 

500GB

640GB

 

750GB

 

1TB

 

Model

 

Model

Model

 

Model

Model

 

Model

 

Model

 

 

 

 

 

 

 

 

 

 

 

 

Organization

 

 

 

 

 

Hitachi GST

 

 

 

 

 

 

 

 

 

 

 

 

 

Manufacturing Site

 

 

 

Hitachi GST China Plant, China(GSP)

 

 

 

 

 

 

 

Product

 

Deskstar 7K1000.C/ CinemaStar 7K1000.C/ Ultrastar A7K2000

 

 

 

 

 

 

 

 

 

 

 

 

 

OUI

 

 

 

 

 

000CCAh

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHBU Block Assignment

 

35Ah

 

35Bh

35Ch

 

 

35Dh

 

 

 

 

 

 

 

 

 

 

 

 

Port/Node ID

 

 

 

 

 

11b

 

 

 

 

 

Table 7 World Wide Name Assignment

- Hitachi hard disk drive specifications –

17

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Image 17
Hitachi HDS721025CLA382, HCS721050CLA382, HCS721032CLA382 World Wide Name Assignment, Mechanical positioning performance

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.