Most of the 40gb stuff is designed for mostly East/West traffic as that
tends to be the majority of traffic in the datacenter these days. All the
big guys make platforms that can keep full port to port across the platform
between 4-7.
40gb has not fallen that far where it is not still a decent
You get what you pay for? Try the 30 day trial for support until you
are comfortable enough admining it on your own. These guys need to
put bread on their table to you know...
That said, compared to the DRBD support team the gluster team actually
does try and support the free editions as much