[CentOS] Ethernet Quad

>> As matter of interest, do these cards offer lower throughput than 4x
>> single 1GB cards?

> Depends mostly on if you are using PCI/PCI-X vs PCI-express. At high bit
> rates you can saturate the old PCI bus. A single gigabit port can pretty
> much saturate a 32-bit PCI bus at 33MHz.
>
> PCI-express can go a lot faster.

> Benjamin Franz

And on current multi CPU / multi core plattforms care to have support for
MSI-X on the motherboard and by the Ethernet controller (for 10Gbe and
virtualization this is even a must to gain maximum performance).

Alexander