Well, I bought this beast as well, but due to limited budget, I started with one Samsung EVO 960 m.2 1TB stick ... for now... here are my results with this one drive:
Note I am no Gentoo Linux system with dual xeon (32 cpu threads total with 128GB ram)
# first I write some dummy file for...
Thanks all for this discussion. As soon as QDR switches are still little bit expensive, I will start with direct-connect using just cards. This is not the only place where I see that the CPU performance plays crucial role in the overall speed result when using TCP over Infiniband.