Friday, September 20, 2013

Three Generations of Disks

In my current desktop machine, I currently have 3 generations of internal storage. I have the following disks installed:


  • 256GB Samsung 840 Pro SSD (SATA 3)
  • 300GB Western Digital WD3000HLFS VelociRaptor 10000RPM (SATA 2)
  • 500GB Hitachi HDP725050GLA360 7200RPM (SATA 2)
  • 1TB Western Digital WD1002FAEX Caviar Black 7200RPM (SATA 3)
Both the Samsung SSD and the 1TB WD drive were just purchased when I build this machine a few weeks back. If my memory serves correctly, the Hitachi and the VelociRaptor are both circa 2009 (maybe 2008 for the Hitachi).

The machine is a Core i5 4670, 16GB DDR3-1600 running Fedora 19 64-bit with the 3.11 kernel.

I decided to do a quick 'n' dirty benchmark using the GNOME "Disks" utility just to see how they compared (specifically the spindle drives) and here is what I came up with.

First, the Samsung 840 Pro SSD:


Next, the (old) Western Digital 10,000 RPM Spindle Drive:


The (old) Hitachi 500G 7,200 RPM Spindle Drive:


And finally, the (new) Western Digital Caviar Black 7,200 RPM Spindle Drive:



Nothing scientific here, just for my own amusement.

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