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From: Timothy Daniels on 23 Apr 2008 02:08
"Yousuf Khan" wrote:
>I tend to think that it would be best that an external drive enclosure would be
>best if it had active cooling built-in (i.e. a fan). However, I've recently
>seen a drive fail inside an actively-cooled enclosure so badly that Spinrite
>couldn't even recover it. So I'm not sure about the value of active cooling
>anymore. I have seen an aluminum portable enclosure with a lot of good features
>(USB2.0 & e-SATA) for a really cheap price, but from what I see of it, it
>doesn't seem to have any fans in it. Should I worry about it, or is aluminum a
>good enough conductor of heat by itself?
>
> Yousuf Khan

Here's an external eSATA enclosure with a cooling fan mounted
against the base of the hard drive:
http://kingwin.com/product_pages/jt35ebk.asp
I have such a cooling fan configuration in the tray of my Kingwin
removable hard drive and it keeps the hard drive case very cool
(i.e. lower than body temperature). The body of the enclosure is
aluminum, and TigerDirect sells the sister model that also has USB
for $35:
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3071563&CatId=2780

*TimDaniels*


From: Folkert Rienstra on 23 Apr 2008 08:48
Timothy Daniels wrote in news:480ecf30$0$30164$4c368faf(a)roadrunner.com
> "Yousuf Khan" wrote:
> > Isn't eSATA just simply SATA with a different connector?
> >
> > Yousuf Khan
>
> eSATA specs include a connector that accommodates
> a shielding connection to ground, a shielded cable,

> and wider windows on the transceiver levels due to the longer
> cable length allowed (up to 2 meters).

And if that part (eSATA-to-SATA) is done by a chip that is also
doing the USB to SATA conversion like this one:
http://www.oxsemi.com/products/storage/OXU921DS.html
then you don't know what may have been left out.

> Here's a white paper
> by Silicon Image:
> https://www.sata-io.org/documents/External%20SATA%20WP%2011-09.pdf
>
> *TimDaniels*
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