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Seagate Barracuda XT 6 Gbps SATA Drive Preview
Author: Michael Fiss
Manufacturer: Seagate
Source: Seagate
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Page: 1 of 2 [ 1 2 ]
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September 21, 2009

The Serial ATA (SATA) computer bus first burst on to the scene in 2003 at a speed of 1.5 Gb/s, with 3 Gb/s being introduced shortly after. Fast forward 6 years, and we see the Serial ATA standard is being doubled again, to 6 Gb/s. In the past few years hard drive capacities have skyrocketed to amounts we would never have believed possible 6 years ago. In 2008 over 70% of desktop drives were 250GB and under. It is estimated that 250GB and smaller drives will only account for around 25% of the market in 2010. Owning Terabytes of hard drive space would have been like having a million dollars a few years ago, but here in 2009 a Terabyte hard drive can be purchased for under $100. And with that great amount of data to access, speed is obviously critical.

Promo Image

I had the pleasure of talking with the Director of Product Marketing from Seagate about the details of their new product line. Seagate is launching the industry's first 2TB SATA 6 Gb/s, 64MB cache hard drive with its Barracuda XT product line. Seagate has tagged the Barracuda XT 2TB SATA 6G hard drive with the phrase: "Speed and capacity, uncompromised." I personally think the last word can be removed; because how could anything possibly be compromised with a 6 Gb/s speed, and a huge amount of storage and cache?

The specifications for the first 6 Gb/s product can be seen in this screen capture, with the key features and specifications captured in the following lists...


2TB capacity provides plenty of room for high-def PC games, raw or uncompressed digital images and many hours of HD Video

7200 RPM performance platform coupled with leading areal density provides fast data transfers off the media

64MB cache optimizes burst performance and reduces data throughput bottlenecks

SATA 6G interface enables the use of the industry's newest and fastest hard drive controllers while providing backward compatibility to legacy SATA 1.5 or 3 Gbps systems

Configurable with Seagate SeaTools software, users can optimize the drive configuration and tune for performance sacrificing some capacity, for the ultimate in customer choice and control.


Capacity: 2000GB
Model Number: ST3200641AS
Interface Options: SATA 6Gb/s NCQ

Transfer Rate, Max Ext: 600Mb/s
Max Sustained Data Rate OD: 138Mb/s
Cache: 64MB
Average Latency: 4.16ms
Spindle Speed: 7200 RPM

Heads/discs: 8/4
Bytes per Sector: 512

Reliability/Data Integrity
Load/Unload Cycles: 300,000
Nonrecoverable Read Errors per Bits Read: 1 per 10^14 bits read, max
Annualized Failure Rate: 0.0034
Mean Time Between Failures: 750,000
Limited Warranty: 5 Years

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