7K200 SATA OEM Specification

Byte

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0

0

 

 

 

 

 

 

00h

 

 

 

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00h

 

 

 

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00h

 

 

 

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00h

 

 

 

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Counter 0001h Identifier

 

 

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Counter 0001h Value

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Counter 0009h Identifier

 

 

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Counter 0009 Value

 

 

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Counter 000Ah Identifier

 

 

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Counter 000Ah Value

 

 

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Counter 000Bh Identifier

 

 

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Counter 000Bh Value

 

 

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Counter 000Dh Identifier

 

 

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Counter 000Dh Value

 

 

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00h

 

 

 

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00h

 

 

 

26

- 510

 

 

 

Reserved ( 00h )

 

 

 

511

 

 

 

Data Structure Checksum

 

 

Table 82 Phy Event Counter information

The Data Structure Checksum (Byte 511) contains the 2’s complement of the sum of the first 511 bytes in the data structure. The sum of all 512 bytes of the data structure will be zero when the checksum is correct.

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Hitachi HDS723020BLA642 manual Phy Event Counter information

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.