True, for the current generation (Gen1) Emulex and Qlogic C-N-A's. Gen2 adapters (available soon) are not restricted to 4gbps, there is more flexibility up to the full 10G. On 4/17/09 10:23 AM, "Tony Varriale" <tvarriale at comcast.net> wrote: > It's still 4gbps FC with the CNAs. Brad Hedlund bhedlund at cisco.com http://www.internetworkexpert.org