Word

Content

660078H

670078H

680078H

69-74

0000H

75001FH

76170xH

77000xH

78005EH

79

0040H

Description

Manufacturer's Recommended Multiword DMA Transfer Cycle Time

15-0(=78)

Cycle time in nanoseconds (120ns, 16.6MB/s)

Minimum PIO Transfer Cycle Time Without Flow Control

15-0(=78)

Cycle time in nanoseconds (120ns, 16.6MB/s)

Minimum PIO Transfer Cycle Time With IORDY Flow Control

15- 0(=78)

Cycle time in nanoseconds (120ns, 16.6MB/s)

Reserved

 

 

 

Queue depth

 

 

 

15-5(=0)

Reserved

4-0(=1F)

Maximum queued depth - 1

SATA capabilities

 

15-13(=0)

Reserved

12(=1)

High Priority command (Please see 6.5 First-party DMA commands)

11(=0)

Reserved

10(=1)

Phy event counters

9(=1)

Receipt of host-initiated interface power management requests

8(=1)

Native Command Queuing supported

7-4(=0)

Reserved

3(=x)

SATA Gen-3 speed (6.0Gbps) supported

2(=x)

SATA Gen-2 speed (3.0Gbps) supported

1(=1)

SATA Gen-1 speed (1.5Gbps) supported

0(=0)

Reserved

15-4(=0)

Reserved

3-1(=xxx)

Current negotiated SATA speed

 

011

 

Gen-3 speed of 6.0Gbps

 

010

 

Gen-2 speed of 3.0Gbps

 

001

 

Gen1 speed of 1.5Gbps

0(=0)

Reserved

SATA supported features

 

15-7(=0)

Reserved

6(=1)

Software setting preservation

5(=0)

Reserved

4(=1)

In-order data delivery

3(=1)

Device initiated interface power management

2(=1)

DMA Setup Auto-Activate optimization

1(=1)

Non-zero buffer offset in DMA Setup FIS

0(=0)

Reserved

SATA enabled features

 

15-7(=0)

Reserved

6(=1)

Software setting preservation

5(=0)

Reserved

4(=0)

In-order data delivery

3(=0)

Device initiated interface power management

2(=0)

DMA Setup Auto-Activate optimization

1(=0)

Non-zero buffer offset in DMA Setup FIS

0(=0)

Reserved

Table 84 Identify device information --Continued—

Hitachi hard disk drive specifications

125

Page 125
Image 125
Hitachi HCS721016CLA382, HCS721050CLA382, HCS721032CLA382 Hitachi hard disk drive specifications 125, Gen1 speed of 1.5Gbps

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.