Date: Wed, 7 Feb 2007 12:54:06 -0500 From: "Constantine A. Murenin" <mureninc@gmail.com> To: rsh <bsdgroup.md@gmail.com> Cc: freebsd-hardware@freebsd.org Subject: Re: External HDD Message-ID: <f34ca13c0702070954g1f1f7500k71ed004b34ecd30c@mail.gmail.com> In-Reply-To: <1170861895.87827.8.camel@localhost> References: <1170861895.87827.8.camel@localhost>
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On 07/02/07, rsh <bsdgroup.md@gmail.com> wrote: > Hi > > For backup purposes, i need removable HDD, connected through USB or > Fireware > > I'm really impressed by Transcend solution and would like to use their > Transcend 1.8" Portable HDD 20 GB, USB 2.0 > It takes power directly from USB. > > Did somebody have success with this device? > > If it is a bad idea, any suggestions for External HDD ? > > Thanks Most USB HDDs should work fine. Unless you specifically want minimal size and super-super low noise, I'd recommend to go with 2.5" drives. You can easily get an external 2.5" USB enclosure, and then separately buy a 2.5" drive of any size you want. As far as power goes, 2.5" 5400rpm drives from HGST (formerly IBM and Hitachi) -- 5k100, 5k120 and 5k160 -- should consume a maximum of 5.0 W on startup, so they can be powered from two USB ports (2 * 2.5 W = 5.0 W), something that most enclosures offer. I have personally used CoolMax HD-211-U2 [0] with Fujitsu MHV2040AT 2.5" 4200rpm drive without any problems for a rather long time, to boot OpenBSD as well as FreeBSD directly from the USB drive, as well as to transfer a few files here and there. CoolMax now has better versions of this enclosure, for example, HD-260B-U2 [1]. [0] http://www.newegg.com/Product/Product.asp?Item=N82E16817146034 [1] http://www.newegg.com/Product/Product.asp?Item=N82E16817146065
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