> The 11,2 [...] can handle dual video cards (which only the X1000 can do)

What about the X5000's x4 slot (the one behind the PCIe-PCIe bridge)? Wouldn't a normal PCIe x16 card work in it? (Btw, I also found R500, R600 and R800 cards with PCIe x1 connector).

> No other NG system has the capability of supporting a full bandwith SATA card
> (unless it might work in an X1000's X8 slot), as you need a controller with
> more than one PCI-E lane (as an X1 slot doesn't have enough bandwidth).

Yes, full-speed SATA3 needs 4 lanes of PCIe v1 or 2 lanes of PCIe v2. So what about the X5000's x4 slot (the one behind the PCIe-PCIe bridge)? Wouldn't a SATA3 card work full-speed in it, even if it was somehow limited to x2 speed by the bridge bottleneck?