Re: [SLUG] PATA or SATA?

From: Paul M Foster (paulf@quillandmouse.com)
Date: Wed Jun 10 2009 - 01:11:51 EDT


On Tue, Jun 09, 2009 at 04:55:27PM -0400, Eben King wrote:

> On Tue, 9 Jun 2009, Paul M Foster wrote:
>
>> On Tue, Jun 09, 2009 at 02:53:38PM -0400, Eben King wrote:
>>
>>> I'm looking at two DVD/CD burners. Same line, same specs, same price.
>>> One's IDE/ATAPI and the other's SATA. All my SATA cables are in use
> so I'd
>>> have to pick one up if I need one. But other than that, it doesn't
>>> matter
>>> to me which one I choose. Is there any reason I should choose one
> over the
>>> other? Are motherboard PATA interfaces going to get hard to find within
>>> the
>>> lifetime of this drive (say 5-10 years)?
>>
>> My *opinion*: yes. I suspect SATA is cheaper to manufacture (smaller
>> form factor) and install on motherboards. Way back when, CPUs and
>> controllers were too slow to deal with a serial interface for a hard
>> drive. But SATA helps make the point that processing power has far
>> out-distanced rotating disk hard drives. I expect PATA drives to go the
>> way of 30 and 72 pin memory sticks.
>>
>> If you're still unsure, go by CompUSA and look at all the hard drives
>> lined up on the shelves. What percentage are SATA and what percentage
>> are PATA?
>
> Well yeah, for hard drives, sure. But I was wondering about optical-media
> drives. For example, at
>
> http://newegg.com/Product/ProductList.aspx?Submit=ENE&N=2010100005%201036506653
>
> (DVD burners), there are 17 PATA and 22 SATA models listed. That's not so
> clear cut. Now I don't know the sales figures for these various drives.
> It could be that 95% of the sales are of one model.

Well, if you were a motherboard manufacturer and you had a choice of
making motherboards with PATA and SATA, or PATA, or SATA, which would
you choose? One thing for sure-- you'd manufacture as few motherboards
with *both* interfaces as possible. So you'd pick which one was "the
future". That would be SATA, I think.

Paul

-- 
Paul M. Foster
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