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Discussion in 'OS X' started by munkees, Jun 5, 2011.
how long should a 2TB drive take to zero byte erase? it is a WD Element 2TB
Standard zero-out instead of a 7-pass or 35-pass? Probably in the range of a couple hours. Could be quicker, but wouldn't expect that.
Took me 3 hours to single pass a 500GB (5400rpm) drive.
external USB? i think it'd be limited by the USB bus speed and dependent of the speed of the drive. along time
edit:i did a search for read/write speeds of your drive but came up empty.... sorry
How fast is your disk? At 80 MB/sec it could take about 7 hours to do 2 TB
(! GB = 1024 MB and 1 TB = 1024 GB so 2 TB = 2.1 million MB)