I found one on ebay. If you call around to a few supermicro vendors, i'd bet that eventually one will be willing to sell you one. If you are willing to gamble,

I found one on ebay. If you call around to a few supermicro vendors, i'd bet that eventually one will be willing to sell you one. If you are willing to gamble, this was just posted on STH: https://www.ebay.com/itm/256088074324 https://www.ebay.com/itm/256088074324 I suspect that it might run on 8 PCIe lanes as only one of the connectors is populated. Might be worth a shot.