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Join Date: Sep 2009
10-28-2009, 01:41 AM
I found the difference between a 5400 RPM and 7200 RPM hard drive is rather small. It turns out that because of the rather slow 1.6 GHz Atom processor, the Dell Mini's are more CPU bound than disk I/O bound - at least under OS X. You get a better performance bump going from 1 GB of RAM to 2 GB of RAM.
WD also claims that their 7200 RPM drives use the same amount of power as their 5400's: WD Scorpio Black 320 GB SATA Hard Drives ( WD3200BJKT ) vs WD Scorpio Blue 160 GB SATA Hard Drives ( WD1600BEVT ). 500 mA while read/write, 400 mA while idle.
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