wojtek@3miasto.net wrote:

> 400$ is only 2-3 times more expensive than four 2-channel dump IDE
> controller while occupying 1 PCI slot, accepting many command at once etc.
> when i will need large system i would use it.

Depends on your defenition of large..
 
> unfortunately i could not find anything about memory on this card.
> if it have no memory (only on-chip buffers) how RAID-5 writes is done?

There is memory on the card, although I don't know exactly how much. I
wouldn't bother with RAID-5 on 3ware boards. All reports suggest that the
performance is pathethic. It's probably only there for marketing reasons.

Andrew