Seagate Momentus 7200.4 ST9500420ASG - Hard drive - 500 GB - internal - 2.5" - SATA-300 - 7200 rpm - buffer: 16 MB

{ Posted by seagate at 5:43 PM Monday, January 4, 2010 }

Buy Cheap Seagate Momentus 7200.4 ST9500420ASG - Hard drive - 500 GB - internal - 2.5" - SATA-300 - 7200 rpm - buffer: 16 MB


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The Seagate Momentus 7200
4 drive delivers the highest available capacity and performance in a laptop hard drive and draws only
05 percent more power than a 5400-rpm laptop drive

 
 Product Description Seagate Momentus 7200.4 ST9500420ASG - hard drive - 500 GB - SATA-300 
 Type Hard drive - internal 
 Form Factor 2.5" x 1/8H 
 Dimensions (WxDxH) 7 cm x 10 cm x 9.5 mm 
 Weight 110 g 
 Capacity&n
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Technical Details

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Customer Buzz
 "Fast disk with bags of space" 2009-11-09
By G. Lawrence
I bought this for my macbook. I was thinking about getting an SSD, but prices are still so high, and disk space so small, that solid state still isn't great value. This 7200rpm drive on the other hand is noticeably faster than my original 5400rpm drive and it gives me twice the storage that I had before. Installation was a breeze, and the drive formatted great and I was able to clone my existing drive using Apple's disk utility. I'm very happy with my choice.

Customer Buzz
 "Fast but noisy/vibrating" 2009-08-25
By O. Hansen (UK)
I upgraded the 320MB 5400rpm Hitachi HTS543232L9SA02 drive to the 500GB Seagate Momentus ST9500420AS in my Macbook Pro (2.66GHz Core 2 Duo). Technically it works really well, no hiccups with the installation, no heat issues even when working hard, and the system feels more nippy (I use things like Photoshop, VMware Fusion etc.).



"xbench" (a free Max benchmarking utility) now reports a "Disk Test" score of 52.6 (vs. 33.7 for the 5400rpm drive). Sample xbench results show a much better performance increase than expected:



Sequential

Uncached Write 256 MB blocks: 78 MB/s (vs. 40 MB/s for the 5400rpm drive)

Uncached Read 256 MB blocks: 80.6 MB/s (vs. 41.1 MB/s for the 5400rpm drive)



Random

Uncached Write 256 MB blocks: 52 MB/s (vs. 20.7 MB/s for the 5400rpm drive)

Uncached Read 256 MB blocks: 26.2 MB/s (vs. 13.2 MB/s for the 5400rpm drive)



Unfortunately the drive is a bit more noisy than the Hitachi, the normal "disk spin" noise is not too disturbing, but the drive vibrates a lot more than the 5400rpm Hitachi. You can feel the difference when you hold the running drives in your hand, and that vibration causes resonance at least in my Macbook Pro (aluminium body) which is very irritating.



So from a performance point of view an extremely worthwhile upgrade, but be aware that this drive might come with some noise penalties, which very much will depend on your system.



Note that the drive comes in different versions and cache sizes, the more expensive "ASG" means it has shock protection, my Macbook has that built in so the normal "AS" version was sufficient for me.


Buy Seagate Momentus 7200.4 ST9500420ASG - Hard drive - 500 GB - internal - 2.5" - SATA-300 - 7200 rpm - buffer: 16 MB Now

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