Hitachi HDS723020BLA642 manual 11 /173

Models: HDS723020BLA642

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7K200 SATA OEM Specification

EMC

electromagnetic compatibility

ERP

Error Recovery Procedure

Esd

electrostatic discharge

FCC

Federal Communications Commission

FRU

field replacement unit

G

gravity, a unit of force

Gb

1 000 000 000 bits

GB

1 000 000 000 bytes

GND

ground

h

hexadecimal

HDD

hard disk drive

Hz

hertz

I

Input

ILS

integrated lead suspension

imped

impedance

I/O

Input/Output

ISO

International Standards Organization

KB

1,000 bytes

Kbit/mm

1,000 bits per mm

Kbit/sq-mm

1000 bits per square mm

KHz

kilohertz

LBA

logical block addressing

Lw

unit of A-weighted sound power

m

meter

max. or Max.

maximum

MB

1,000,000 bytes

Mbps

1,000,000 Bit per second

Mb/sec

1,000,000 Bit per second

MB/sec

1,000,000 bytes per second

MHz

megahertz

MLC

Machine Level Control

mm

millimeter

ms

millisecond

us, ￿s

microsecond

Nm

Newton meter

No. or #

number

oct/min

oscillations per minute

O

Output

OD

Open Drain Programmed Input/Output

 

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Hitachi HDS723020BLA642 manual 11 /173

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.