Speciﬁcations, Hitachi quality and service | Hitachi 7K1000 specification

Deskstar™ 7K1000

Speciﬁcations

Model(s)									HDS721075KLA330
									HDS721010KLA330

Interface									Serial ATA 3.0Gb/s

Capacity			1					750GB	1TB

Sector size									512 bytes

Disks/heads								4/8	5/10
Performance

Data buffer					2				32MB

Rotational speed									7200 RPM

Media transfer rate (max)									1070Mb/s

Interface transfer rate (max)									300Mb/s

Latency									4.17ms (average, 7200 RPM)

Seek time				3				8.2ms read (typical), 9.2ms write (typical)

Silent-seek time							3	14ms read (typical), 15ms write (typical)
Reliability

Error rate (non-recoverable)									1 per 1.0 E15 bits transferred

Load/unload cycles (at 40°C)									50,000

Availability					4	(hrs/day x days/wk)			24x7

Warranty									3 years
Power

Supply								+5 VDC (+/- 5%), +12 VDC (+10% / -8%)

Start up current (max)									2.0A (+12V), 1.2A (+5V)

Random read/write (average)								11.5W	12.3W

Silent read/write (average)								9.2W	10.2W

Idle (average)								7.6W	8.4W

Unload idle								5.5W	6.1W

Low RPM idle								3.5W	3.7W
Acoustics (A-weighted sound power)

Idle									2.9bels (typical)

Silent seek, Seek									3.0bels (typical), 3.2bels (typical)
Physical

Dimensions								H (26.1mm) x W (101.6mm) x D (147mm)

Weight (max)									700g
Environmental

Temperature								5 to 60 °C operating, -40 to 70 °C non-operating

Relative humidity (non-condensing)								8 to 90% operating, 5 to 95% non-operating

Shock (half sine wave)								70 G/2 ms pulse operating, 300 G/1 ms pulse non-operating

Vibration (random) (RMS)								0.67G horizontal, 0.67G vertical operating, 1.04G XYZ non-operating

RoHS	5	compliant							yes

1GB equals one billion bytes when referring to hard drive capacity; accessible capacity may be less.

2Buffer capacity includes 270 or less KB used for drive ﬁrmware.

3Does not include command overhead.

4Intended for low duty cycle, non-mission critical applications in PC, nearline and consumer electronics environments. Note that customer environments may vary from application to application.

5RoHS refers to the European Union Directive 2002/95/EC on the restriction of certain hazardous substances in electrical and electronic equipment.

Speciﬁc application environments such as temperature and duty cycle will affect the overall reliability rates.

For speciﬁc application environment reliability rates, please consult Hitachi technical support.

Hitachi quality and service

All Hitachi hard drives are designed to the highest quality standards with ﬁeld-proven components. They are backed by Hitachi’s worldwide technical support and integration services, enabling global customers to bring their products to market quickly.

Information and Technical Support

www.hitachigst.com (Main Web site) www.hitachigst.com/partners (Reseller Web site)

North America

support_usa@hitachigst.com Toll free: 1 888 426-5214 Direct: 1 507 322-2370

Asia Paciﬁc

support_ap@hitachigst.com / 65 6840 9595

EMEA and UK

support_uk@hitachigst.com / 44 20 7133 0032

Germany

support_uk@hitachigst.com / 49 6929 993601

Hitachi Global Storage Technologies trademarks are intended and authorized for use only in countries and jurisdictions in which Hitachi Global Storage Technologies has obtained the rights to use, market and advertise the brand. Contact Hitachi Global Storage Technologies for additional information. Hitachi Global Storage Technologies shall not be liable to third parties for unauthorized use of this document or unauthorized use of its trademarks.

References in this publication to Hitachi Global Storage Technologies’ products, programs or services do not imply that Hitachi Global Storage Technologies intends to make these available in all countries in which it operates.

Product speciﬁcations provided are sample speciﬁcations and do not constitute a warranty. Information is true as of the date of

publication and is subject to change. Actual speciﬁcations for unique part numbers may vary. Please visit the Support section of our website, www.hitachigst.com/support, for additional information on product speciﬁcations. Photographs may show design models.

Hitachi Global Storage Technologies

3403 Yerba Buena Road

San Jose, CA 95135 USA

Deskstar™ is a trademark of Hitachi Global Storage Technologies.

DSDS721007EN-04

HDS721025CLA382, HDS721016CLA382, 7K1000 specifications

The Hitachi HDS721016CLA382, HDS721025CLA382, and 7K1000 are part of Hitachi's renowned hard disk drive series, known for their reliability, performance, and advanced technology. These drives are designed for a variety of applications, including desktop PCs, workstations, and other consumer electronics where high-capacity storage is a necessity.

One of the key features of the HDS721016CLA382 is its 1 TB storage capacity. This drive offers ample space for users to store their documents, images, videos, and other data. The HDS721025CLA382, on the other hand, provides a slightly larger capacity of 250 GB, making it suitable for users with moderate storage needs. Both drives feature a 7200 RPM spindle speed, resulting in quicker data access and improved overall performance compared to standard 5400 RPM drives.

These hard drives utilize a Serial ATA interface, which allows for faster data transfer rates up to 3 Gbps. This interface is widely used in various computing systems, offering compatibility and ease of integration. The SATA technology ensures that users can enjoy quick boot times and rapid file transfers, whether they are gaming, editing videos, or performing other resource-intensive tasks.

In terms of data reliability, Hitachi has incorporated advanced technologies in these hard drives, including error correction codes (ECC) and a sophisticated cache system. The drives feature a 32 MB cache for the HDS721016CLA382 and 8 MB for the HDS721025CLA382, allowing for enhanced data buffering and improved read/write speeds, ensuring that operations are executed smoothly.

Additionally, the Hitachi HDS721016CLA382 and HDS721025CLA382 include thermal management solutions to keep the drives running cool during operation, thereby prolonging their lifespan and maintaining performance consistency. These hard drives are also designed with low power consumption in mind, making them energy-efficient options for everyday use.

In summary, the Hitachi HDS721016CLA382, HDS721025CLA382, and 7K1000 hard drives stand out for their combination of capacity, speed, and reliability. With features such as high RPM, a robust cache system, and advanced technology for data protection, these drives continue to be a solid choice for users looking for reliable storage solutions in both personal and professional environments.

Deskstar™ 7K1000