[lug] USB3 vs eSATA III question

David L. Willson DLWillson at TheGeek.NU
Sun Jul 22 13:25:40 MDT 2018


Does anyone have a NAS with eSATA and USB3 ports? They could answer the question neatly.

--
David L. Willson
Teacher, Engineer, Evangelist
COA LFCS CCAH RHCE CLP
Mobile 720-333-LANS(5267)
http://sofree.us

This is a good time for a r3VOLution.

----- Original Message -----
> I don't know anything about your question, but I'm seeing the most
> recent/performant (SSD) drives are using PCIe instead of anything
> else. I've also heard that booting linux from PCIe can be
> troublesome,
> so I think I'll buy a normal SATA drive (I'm in the market for a
> small
> one).
> 
> On Sun, Jul 22, 2018 at 12:27 PM, Bear Giles <bgiles at coyotesong.com>
> wrote:
> > This is mostly from curiousity...
> >
> > USB 3 has a claimed bandwidth of 3 Gbps.
> >
> > eSATA II has a claimed bandwidth of 3 Gbps, and eSATA III has a
> > claimed
> > benefit of 6 Gbps.
> >
> > I don't think any USB stick is going to be pushing 3 Gbps (but I'm
> > not 100%
> > certain), but perhaps an external hard drive, esp. an external SSD.
> > But is
> > that actually realistic?
> >
> > In contrast my experience with eSATA is that it really is akin a
> > traditionally installed disk.
> >
> > Like I said this is mostly from curiosity. I noticed my recent
> > systems
> > haven't had eSATA ports but it's easy to add a half-height card for
> > one.
> > Ditto external drives - they usually only have USB 3 but if you buy
> > an
> > external drive case for your own drive then it's easy to find them
> > with both
> > USB 3 and eSATA. So I have my eSATA gear but it might not be
> > necessary any
> > longer if the quoted USB 3 numbers are accurate.
> >
> > Does anyone else have experience with both USB 3 and eSATA?
> >
> > (Meanwhile I'm wondering what to do with a few old external drives
> > that are
> > USB 2. They're so much slower and smaller than my external USB 3
> > drives.)
> >
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