Mike McCarty kirjoitti viestissään (lähetysaika keskiviikko, 22. maaliskuuta 2006 10:52): > Track to track spacing is the same all across the disc. True. > And > there are the same number of sectors per track as well. This hasn't been true for at least 10 years. All modern hard drives use Zone Bit Recording (http://en.wikipedia.org/wiki/Zone_bit_recording) This means data transfer speed is nearly 2x higher on the outer tracks of the disc. See the "Sequential Transfer Rates" table of this test of 250GB drives: http://www.storagereview.com/articles/200601/250_3.html -- Markku Kolkka markku.kolkka@xxxxxx