Here is a listing of Pro cards. I have not seen these listed lately below $90 mark.
INFINIBAND FDR/ETHERNET 10GB/40GB 2-PORT 544+QSFP ADAPTER | eBay
INFINIBAND FDR/ETHERNET 10GB/40GB 2-PORT 544+QSFP ADAPTER | eBay
Worth the difference in price though?Roce V2 (routable) vs v1 (Not routable), slightly different/newer ic
It dependsWorth the difference in price though?
netapp sas qsfp cables are cheap, and works just fineThese cards usually run around $35 or so now. Still, a decent price. I have yet to figure out cabling though. May post a question on the network threads.