Hitachi HDS723020BLA642 manual Nonoperating vibration, Operating shock, Nonoperating shock

Models: HDS723020BLA642

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7K200 SATA OEM Specification

6.5.2Nonoperating vibration

The disk drive withstands the following vibration levels without any loss or permanent damage.

6.5.2.1Random vibration

The test consists of a random vibration applied in each of three mutually perpendicular axes for a duration of 15 minutes per axis. The PSD levels for the test simulating the shipping and relocation environment is shown below.

Hz

(m/sec2)/Hz

2.5

0.096

5

2.88

40

1.73

500

1.73

Table 19. Random Vibration PSD Profile Breakpoints (nonoperating)

Note: Overall RMS level of vibration is 29.50 m/sec2 (3.01 G).

6.5.2.2Swept sine vibration

49 m/sec2 (5 G) (zero-to-peak), 10 to 500 to 10 Hz sine wave 0.5 oct/min sweep rate

25.4mm (peak-to-peak) displacement, 5 to 10 to 5 Hz

6.5.3Operating shock

The hard disk drive meets the criteria in the table below while operating under these conditions: The shock test consists of 10 shock inputs in each axis and direction for a total of 60. There must be a minimum delay of 3 seconds between shock pulses.

The disk drive will operate without a hard error while subjected to the following half-sine shock pulse.

Duration of 1 ms

Duration of 2 ms

 

 

1764 m/sec2 (180 G)

3430 m/sec2 (350 G)

Table 20. Operating shock

The input level shall be applied to the normal disk drive subsystem mounting points used to secure the drive in a normal system.

6.5.4Nonoperating shock

The drive withstands the following half-sine shock pulse without any data loss or permanent damage.

Duration of 1 ms

Duration of 11 ms

 

 

9800 m/sec2 (1000 G)

1470 m/sec2 (150 G)

Table 21. Nonoperating shock

The shocks are applied for each direction of the drive for three mutually perpendicular axes, one axis at a time. Input levels are measured on a base plate where the drive is attached with four screws.

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Hitachi HDS723020BLA642 manual Nonoperating vibration, Operating shock, Nonoperating shock

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.