Hitachi Travelstar 7K320 User Manual

Travelstar 7K320  
2.5-InCH HIGH-PERFORMAnCE HARD DRIVES  
High-performance storage for notebook PCs with optional data encryption technology  
Highlights  
Features and Benefits  
> Proven fourth-generation technology  
> Up to 320GB1 of capacity  
Feature / Function  
Benefits  
Capacity  
Up to 320GB storage  
Up to 80 hours of high-definition video,  
320 hours of standard video, 114 movies,  
80,000 4-min songs or 160 games *  
> Lowest power consumption—  
22% improvement over 7K200  
> Capacity and power parity with  
5400 RPM models  
Performance Up to 1136Mb/s media  
Excellent application performance in PCMark  
Vantage testing  
transfer rate  
> Serial ATA 3Gb/s  
Reliability  
400G operating shock  
Industry-best protection against bumps and rough handling  
1000G non-operating shock  
> Security option: Bulk Data Encryption  
> Enhanced-availability (EA) models for  
applications needing around-the-clock  
access in lower-transaction environments  
Thermal Fly-height Control (TFC)  
TrueTracktechnology  
Better soft error rate for improved reliability  
Tracking accuracy in high shock or vibration environments  
Long battery life for more “unplugged” notebook time  
Power  
1.8W read/write power  
0.2W standby power  
Applications / Environments  
> notebook PCs  
Acoustics  
Quiet acoustics  
Richer audio-listening experience for music,  
movies and games  
> Gaming devices  
Interface  
Security  
SATA3Gb/s  
High data throughput  
> Compact desktop systems  
> Small form factor video devices  
> Blade servers (EA)  
Bulk Data Encryption (SATA1.5Gb/s)  
Helps guard against data theft  
*Actual storage may vary depending on the compression rate applied. Capacities may not be combined.  
> network routers (EA)  
High-performance mobile storage without sacrificing capacity or power  
Travelstar™ 7K320 is the industry’s only fourth-generation 7200 RPM 2.5-inch hard drive with  
capacities ranging from 80GB to 320GB, equivalent to Hitachi 5400 RPM products. The 160GB  
per platter one- and two-disk models deliver 60% higher capacity and 12% better application  
performance than its predecessor. Hitachi provides best-of-breed power and operating shock  
in Travelstar 7K320 by matching its 5400 RPM models. Designed to support the high-  
performance needs of multi-tasking commercial users and consumers on-the-go, Travelstar  
7K320 offers speed without sacrificing battery life, capacity or audio quality. Hitachi offers  
optional hard-drive-level encryption for users looking for increased data security and models  
with enhanced availability to deliver high-capacity storage for non-stop environments.  
> Video surveillance (EA)  
> Compact RAID systems (EA)  
Data security option  
Travelstar 7K320 features optional Bulk Data Encryption (BDE) with a SATA 1.5Gb/s interface  
for hard-drive-level data security. The data is scrambled using a key as it is written to the disk  
then descrambled with the key as it’s retrieved, giving users a higher level of data protection  
than traditional password-based security. Another benefit is that it speeds and simplifies the  
drive re-deployment process. By deleting the encryption key, the data on the drive is rendered  
unreadable, thereby eliminating the need for time-consuming data-overwrite.  
320, 250, 160, 120 and 80GB  
7200 RPM  
SATA 3Gb/s and 1.5Gb/s  
Enhanced Availability (EA)—for 24x7 access to data  
Hitachi offers enhanced-availability models that employ specific microcode to allow the  
Travelstar 7K320 to provide 24x7 access to data. These models broaden the product line to  
make it more suitable for data-intensive applications requiring around-the-clock operation.  
The 7K320 provides high performance, capacity, durability and power utilization on a proven  
platform for quality and reliability. EA models support the stringent demands of “always-on”  
applications in lower-transaction environments.  
DATA SHEET  
www.hitachiGST.com  

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