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Deskstar 5k4000 4TB drive only shows up as 1.8TB in Disk Utility

2922 Views 8 Replies Latest reply: Dec 1, 2012 12:34 PM by BDAqua RSS
Chris Connors Level 1 Level 1 (120 points)
Currently Being Moderated
Feb 10, 2012 7:49 PM

I have an older (2nd gen?) Mac Mini (intel) that I use as a home server and backup destination. My Time Machine Volume (A 2TB WD in a newertechnology ministack v3) was almost full, so I purchased a 4TB Deskstar 5K4000 and mounted it in the ministack. Oddly, Disk Utility reports its capacity as 1.8 TB, not 4TB.


So I move this mechanism to a Mygica USB SATA Dock (only 2 months old) and lo and behold, same result.


Is there something about this mechanism, Disk Utility, or OS X 10.7 that precludes using a mechanism of this size?

Mac mini, Mac OS X (10.7.3), Lion Server


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