Can the new 4tb drives be used in a Mac pro?
Accornding to an article in the MacPerformanceGuide, apparently so:
Hitachi 4TB Deskstar 7K4000 Hard Drive
It appears that disk drivers were revised for 10.4, and there have been no problems with "new technology" (read 4K blocks instead of 0.5K blocks) in Mac OS X at any point since then.
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