Right I remember, thanks.I don't have any that I can sell, but this might help you: search for "649281-b21" on ebay, it's the product # for hp branded fdr/40gbe cx-3 vpi cards.
@Rand__@i386 Do you have a link how to configure connectx-2 with ESX 6.5 for Ethernet?
I can only find the IB based config and native driver will not support x2 ...