Hitachi Deskstar 7K1000 User Manual

Deskstar7K1000  
3.5-INCH HARD DISK DRIVES  
Industry’s rst terabyte hard disk drive for consumer  
and commercial computing applications  
An industry rst, the Hitachi Deskstar 7K1000 hard disk drive delivers up to one terabyte of  
Highlights  
storage capacity for demanding consumer and commercial computing products. It leverages  
the industry’s most reliable perpendicular magnetic recording (PMR) techniques and the latest  
advancements in silent acoustics, shock protection, and head technology to maximize capac-  
ity, performance and eld reliability. Best-in-class power management and thermal emissions  
help manufacturers meet energy compliance targets and extend drive life.  
> Storage capacities up to 1TB  
> Perpendicular magnetic  
recording technology  
> SATA 3.0Gb/s interface  
> Ramp load design increases  
shock protection and power savings  
> Thermal monitoring and y height control  
enhance reliability  
Proven PMR technology  
Field-proven in 2.5-in. drives, Hitachi’s PMR implementation continues to demonstrate  
reliability equal to or exceeding conventional longitudinal technology. The Deskstar 7K1000’s  
second-generation PMR head and media technology improves noise characteristics and  
thermal stability.  
> Three low-power idle modes  
boost power efciency  
> Silent seek acoustics achieve  
ultra-quiet operation  
Reduced power idle modes  
> Host/drive authentication  
for hardware security  
Unique to Hitachi drives, the Deskstar 7K1000 features three advanced low-power idle  
modes—active, unload and low-power. Together, they reduce power consumption at the drive  
level up to 20%, optimize non-operational latency and lower drive temperature for cooler  
system operation.  
Applications  
> Internal and external storage  
for consumer computers  
> Networked storage servers  
> Extreme gaming machines  
> Video editing arrays  
Outstanding shock resistance and power efficiency  
Through a patented ramp load/unload design disk heads (in non-operating modes) are  
unloaded to a ramp outside the disk where they rest in a low-power ‘unload idle’ state until  
activated. In low RPM drives, this can reduce power by up to 50%. Ramp load/ unload  
provides tangible benets for the drive and host product. It greatly minimizes the risk of shock  
damage by eliminating direct contact between the heads and disks. Reduced wear and heat  
improve overall drive reliability. In the event of power loss to the drive, heads are unloaded  
using energy extracted from the spinning disks. This patented power-saving feature helps to  
reduce overall maintenance costs and extends the drive service life.  
Another contributor to Deskstar 7K1000’s exceptional shock performance and power savings  
is the use of compact, low-mass femto air-bearing sliders.  
Extended field reliability  
An integrated thermal sensor monitors operating temperature, enabling the host processor to  
intelligently adjust airow as needed for cooling. Sensor integration reduces component cost  
and increases reliability.  
1TB, 750GB | 7200 RPM  
Serial ATA 3.0Gb/s  
Deskstar 7K1000’s thermal y-height control (TFC) uses an integrated heating element to  
precisely maintain a constant y-height throughout read and write operations. This reduces  
raw soft error rate and, in turn, improves overall data integrity, drive performance and reliability.  
Deskstar 7K1000’s iridium-manganese-chromium (IrMnCr) read head sensor technology offers  
better performance and reliability in harsh conditions.  
Hitachi Design Studios  
Located around the world, Hitachi Design Studios assist customers with all aspects of integrat-  
ing hard drives into consumer electronic devices. Their services focus on drive selection,  
evaluation and optimization, integration and design-in consulting, software compatibility  
assessment, performance proling, problem analysis and reliability consulting.  
DATA SHEET  
www.hitachiGST.com  

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