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Toshiba 80GB 16MB Cache 2.5in HDD |
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Written by Mikhail Ivanenkov
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Saturday, 16 June 2007 |
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Page 1 of 2

Thanks to eWaggle for the product sample.
Every aspect of a computer is advancing on a regular basis, from processors to monitors to mice. Although the hard drive market was relatively quiet for some time (Western Digital's Special Edition series was about the only exciting product for almost a year), things are stirring once again. Seagate is currently the favorable choice thanks to their reliability, cool operation, quietness, speed, and 5 year warranty, but that doesn't mean the competition is just standing by.

The notebook arena is one area Seagate has yet to permeate on a large scale. Currently Hitachi (former IBM) drives find their way into laptops made by the world's largest PC vendor: Dell. Unfortunately the specs aren't always the most favorable. When I purchased my Inspiron 8600 a couple months back I knew right away both hard drive and memory upgrades were in order. Since upgrading is cheaper through a separate vendor and doesn't void any warranties, the choice was clear. After ordering the notebook with the cheapest, lowest capacity 30GB Hitachi drive, I was fortunate enough to get a hold of a superior 80GB Toshiba model.

This 2.5" HDD is OEM and arrived in a sealed anti-static bag. It's model number MK8026GAX (HDD2191) and according to Toshiba it sports the industry's highest area density per platter at 64.7 gigabits per square inch (though this seems outdated due to their having a 100GB slightly-different version as well). The drive features a Fluid Dynamic Bearing motor for quieter operation and spins at 5400 RPM. It's rated for ATA-100 speeds and has a 12ms average seek time. While this may seem slow by desktop standards, keep in mind that more compact lower density notebook drives have a lot of catching up to do.
From a laptop perspective, things are looking good for Toshiba's high-end HDD. Two 40GB platters are used to account for the 80GB rating, which is good news since larger platters offer better performance. Last but not least, this drive like so many newer models doubles the previous record by utilizing a 16MB cache. It's no secret that a larger cache is directly proportional to higher transfer speeds (WD's aforementioned SE series proved this). To top things off, a 3 year warranty on 2.5" drives is a step in the right direction (unfortunately 1.8" and optical drives still only carry a 1 year warranty).

The belly of the drive has an inverted PCB secured by screws. This was most likely done to protect sensitive electronics from both physical and (less likely) electromagnetic/electrostatic damage. Like other notebook drives there's a single set of pins; no separate connectors or wiring are necessary. This depends on your laptop though; for instance my Inspiron 8600 has a secondary custom bridge connector that must be fitted over the bare drive before it can function. There are also 4 mounting holes present.
With that I decided to test both the original Hitachi drive and Toshiba's offering in my recently purchased Dell Inspiron 8600. While I can't pinpoint the exact model number of the Hitachi (the markings on the sticker fit the description of several different varieties), I do know that it's a 30GB model that spins at 4200 RPM and most likely has a 2-8MB buffer. Clearly the comparison is in Toshiba's favor; exactly how much is what we're here to find out.
I realize we're not comparing apples to apples, but that's the main point: upgrading a hard drive should be as dramatic a change as possible. Since this is my school workhorse and mobile gaming machine, I need the best of the best for less and frankly I'm not a big fan of Dell's choice of components. Previous experience has showed that if they can get away with the slowest, cheapest parts, they will. For testing I decided to run Futuremark's PCMark04 HDD Suite, SiSoftware's Sandra 2005 File System Benchmark, and Simpli Software's HD Tach RW 3.0.1 Long bench (32MB zones).

PCMark04 gave the Hitachi drive a 2053 score. Since this is a relatively synthetic benchmark, the values should only be used for comparison to other drives and not actual performance.

Toshiba's drive got a noticeably higher 2683 score with performance boosts across the board.
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Last Updated ( Saturday, 16 June 2007 )
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