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Wed, 30 Dec 2009

3:02 PM - Solid state disks

I just got my first solid state disk.  It's an Imation 32GB SATA 2.5 inch drive.  For comparison, I put the disk in Caryn's desktop.  It's final home will be in a new server I'm planning to build next year.  

According to diskinfo, the disk seek times are .029 compared to 16 or so on a Western Digital Sata drive.  That was to be expected since there really is no seek time on a SSD or at least it's fairly constant as no platter has to move.  What I was most interested in was raw transfer rates.  The WD generation 1 sata drive best case was 57000 kbytes/sec whereas this new drive read over 100000kbytes/sec as well as averaged around 100000.  My newer seagate hard drive peaks at 110080kbytes/sec, but inside only reads at 51842kbytes/sec.  

The consistency of this new drive is it's best asset.  The drive is MLC, but very lowend.  I can only imagine what a high end Intel SSD can do.

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