HTPC hardware

[brad]

On Tue, 2003-11-25 at 19:46, kurt at verruckt.org wrote:
> Some boards (most that ive seen) that have onboard SATA, support SATA raid.
> With the WD 10k Raptors hovering just over $100, two of them would give you
> far better performance than 7200k ide's. Though you will lose a fair amount
> of disk space. Just depends what you want more, space or performance. My new
> comp that im building is going to be sata raid 0, just picking up a piece at
> a time. Should have it up and going by the first of the year unless MGE
> decides to put me out of my house...
> 

So if I were to run raid 0, why would I lose a lot of disk space?  Does
sata take up more space than normal raid 0?