Date: Mon, 09 Jul 2012 14:43:43 +0100 From: Arthur Chance <freebsd@qeng-ho.org> To: Bruce Cran <bruce@cran.org.uk> Cc: freebsd-questions@freebsd.org Subject: Re: YASSDQ Message-ID: <4FFAE00F.6000309@qeng-ho.org> In-Reply-To: <4FFAD0E1.10803@cran.org.uk> References: <20120708120028.99568106568F@hub.freebsd.org> <1211EED02D7F4079B279A9D413857ECF@admin> <alpine.BSF.2.00.1207082058120.51462@wonkity.com> <alpine.BSF.2.00.1207091228280.41445@wojtek.tensor.gdynia.pl> <4FFAD0E1.10803@cran.org.uk>
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On 07/09/12 13:38, Bruce Cran wrote: > On 09/07/2012 11:31, Wojciech Puchar wrote: >> All use 4K as it is NTFS default block size and most are sold to be >> used with windoze. > > Apparently the Intel 320 SSDs use an 8KB page/block size. > From a Crucial forum, thread about Crucial M4 SSDs, posted by a Crucial employee: [http://forum.crucial.com/t5/Solid-State-Drives-SSD/Page-size-and-erase-block-size-for-M4-64GB-128GB-256GB-models/td-p/64403 about half way down the page] > One correction to the information here. The page size is based on the > density of the NAND not the process geometry. The 64GB and 128GB m4’s > utilize NAND with 4K page sizes and the 256GB and 512GB m4’s utilize > NAND with 8K pages. Looks like larger SSDs have larger block sizes.
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