If you're a FreeBSD person, you know Chelsio. These are PCIe x16 and dual port https://www.ebay.com/itm/T62100-LP-CR-Chelsio-2-Port-QSFP28-40-50-100GbE-PCIe-3-0x16-Unified-Wire-Adapter/264325874726
$200 was auto declined, but I have not found where they accept offers. They've accepted a few but declined a lot
$200 was auto declined, but I have not found where they accept offers. They've accepted a few but declined a lot