You can find the public info on Wired products on this site, including datasheets and links to ARK.
Thanks South and Riverman. I didn't find the product (I wrote FX6000, but it should have been FM6000) and the switch products shown do not have any datasheets. Google finds several references at Intel, however. Why are these not on the website, I wonder.
One of these two should work:
HTML w/ embedded PDF:
http://www.intel.com/content/www/us/en/switch-silicon/ethernet-switch-fm6000-sdn-paper.html Intel® Ethernet Switch FM6000: SDN with OpenFlow*