They have arrived today, and they work. So now, my mb, which has only 6 pcie slots, works with 12 cards. Thanks again @miner29!!
Excellent...some folks dont understand x1 is good for almost every gpu mining application. The only one i know its not great for is the lolminer Super Zombie Mode for 4gb card in x16 slot (or even x8). And that situation will eventually go away.
And doing that little plex card is way cheaper than adding a whole second rig.
Hash on 👍