Hitachi HTS723225A7A364 - Manual
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Data Sheet
Travelstar
™
Z7K320
2.5-Inch Mobile 7200 RPM
7mm Hard Disk Drives
Highlights
•
New 7mm z-height for greater
design flexibility
•
7200 RPM high-performance HDD
•
Up to 320GB
1
of capacity
•
Best-of-breed acoustics
•
Low power consumption
•
Halogen-free for eco-friendly footprint
•
Self-encrypting models for data security
•
Enhanced-availability (EA) models for
applications needing around-the-clock
access in lower-transaction environments
Applications/Environments
•
Notebook and ultra-portable PCs
•
Compact desktop PCs
•
External storage
•
Gaming PCs
•
Compact video devices
•
Blade servers (EA)
•
Network routers (EA)
•
Video surveillance (EA)
•
Compact RAID systems (EA)
High-Performance, Quiet HDD Solution For Mobile Applications
Travelstar™ Z7K320 is the industry’s first 7200 RPM, 7mm, 2.5-inch hard drive with capacities
ranging from 160GB to 320GB. The 320GB per platter one-disk models are designed as a
direct replacement for standard 9.5mm HDDs, for use in notebook PCs, external storage
and compact systems. The Z7K320 offers design flexibility to accommodate new thinner
and more robust devices/systems and delivers up to 18% better application performance
than 5400 RPM models of the same capacity. Along with continued focus on superior shock
protection and low power consumption, HGST delivers best-of-breed acoustics. HGST offers
optional hard-drive-level encryption for increased data security and models with enhanced
availability to deliver high-performance storage for non-stop environments. Travelstar
Z7K320 provides the right balance of performance and capacity to meet the multi-tasking
needs of commercial and consumer users on the go.
Data Security Option
Travelstar Z7K320 is the fourth generation to feature optional Bulk Data Encryption (BDE)
for hard-drive-level data security. With BDE, the data is scrambled using a key as it is written
to the disk, then descrambled with the key as it is retrieved, giving users the highest level
of data protection available. It also 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. For information about the self-
encrypting drives designed to the Trusted Computing Group (TCG) Opal Storage Security
specification, please contact your HGST representative.
Enhanced Availability (EA)—for 24x7 Access to Data
HGST provides enhanced-availability models of the Travelstar Z7K320 that deliver 24x7
access to information for data-intensive applications requiring round-the-clock operation.
The new, slimmer profile provides for additional cooling, especially important in dense blade
server designs. The Z7K320 provides high capacity, performance and durability on a proven
platform for quality and reliability. EA models support the stringent demands of “always-on”
applications in lower-transaction environments.
Features and Benefits
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 *
Performance
Up to 1334Mb/s media transfer rate
Faster downloads and up to 18% better application performance than 5400 RPM models at same capacity**
Power
1.8W read/write power
0.8W low power idle
Low energy use and long battery life for more “unplugged” notebook time
Reliability
400G operating shock
1000G non-operating shock
Robust design to help protect against bumps and rough handling
TrueTrack™ technology
Prevents slow performance or errors in high shock or vibration environments
Acoustics
Improved acoustics
Quieter for a richer audio-listening experience for music, movies and games.
Interface
SATA 3Gb/s
Fast data throughput
Security
Option
Bulk Data Encryption
Helps guard against data theft
320GB, 250GB and 160GB
7200 RPM | SATA 3Gb/s
* Actual storage may vary depending on the compression rate applied. Capacities may not be combined.
** In PCMark® Vantage testing
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