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| hitachi and seagate; 1T and 500G; how many platter(s)? http://forum.hddguru.com/viewtopic.php?f=15&t=16684 |
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| Author: | gionapm [ August 13th, 2010, 4:39 ] |
| Post subject: | hitachi and seagate; 1T and 500G; how many platter(s)? |
hi guys, would you mind to help me to check: (a) Hitachi 1TB HDS721010CLA332 SATA II/32MB HDD (b) Hitachi 500GB HDS721050CLA362 SATA II/16MB HDD (c) Seagate 1TB ST31000528AS SATA II/32MB HDD (d) Seagate 500GB ST3500418AS SATA II/16MB HDD questions: (1) is single platter or 2 platters? I check that hitachi/seagate web site, not show this ? (2) now 500GB harddisk, used 500gb single platter? 1T = 500gb single platter x 2 ? (3) for you, how to suggest which one, I remember seagate large problem need update firmware ? any idea please! |
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| Author: | fzabkar [ August 17th, 2010, 7:40 ] |
| Post subject: | Re: hitachi and seagate; 1T and 500G; how many platter(s)? |
(a) HDS721010CLA332 The following HD Tune tests produce maximum sustained read transfer rates of 138 MB/s, 130 MB/s, 132 MB/s. This is what is to be expected of drives with a data density of 500GB per platter, ie 2 platters. http://lls3kg.blu.livefilestore.com/y1p ... A_Read.png http://mikanmike.dip.jp/wp-content/uplo ... 721010.png http://img.kakaku.com/images/Review/000/016/16961_m.jpg (b) HDS721050CLA362 Similary, the data rates for the HDS721050CLA362 are 138 MB/s and 130 MB/s, suggesting that the drive has a single platter. http://bbsimg01.kakaku.k-img.com/images ... 6652_m.jpg http://bbsimg01.kakaku.k-img.com/images ... 6986_m.jpg (c) & (d) According to the relevant digit in the model number, the ST310005(2)8AS has 2 platters, and the ST35004(1)8AS has 1. |
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