From: "Randy" 

(1)  In order of performance speed: SATA, EIDE, USB2, Firewire.

(2) From an interface standpoint; yes, and depending on the drive (WD
Raptor), yes also.

(3) Don't know, and quite frankly, not really relevant except in some real
esoteric configurations.

(4) I have no idea.

http://www.storagereview.com for more than you ever wanted to know about current HD's



"Randall Parker"
 wrote in
message news:41d705bc$1{at}w3.nls.net...
> Some questions about hard drive interface standards:
>
> 1) Are Firewire and USB slower than EIDE and Serial ATA? By much?
>
> 2) Is Serial ATA faster than EIDE?
>
> 3) Why are few of the EIDE drives advertised as running at 133? Most list
> 100. How come? Is 133 too electrically noisy? Or did the technology shift
> to Serial ATA before all the makers produced EIDE 133? See here for
> example:
>    http://www.pricewatch.com/h/prc.aspx?i=26&a=4957&p=0&f=1
>
> 4) Is it hard to get motherboards for AMD processors that support both
> EIDE and Serial ATA?
>    I want to first rev the hard drive on my pre-Serial ATA machine to a
> higher capacity EIDE drive. But if I do that and then later upgrade the
> MoBo will my choices of MoBo be limited by the EIDE drive?
>
> Anything else worth knowing about the state of the technology in hard
> drives?

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