Digital Cruncher has released Keccak, and Tribus (1.95GH/s):
https://github.com/digitalcruncher/keccak-tribus

So we tried his latest algo and measured the current from 8-pin power connector, it was around 18A. The thermal reading was still around 45C.

I think the waterblock works very well.

https://youtu.be/mcmbp3dN7cY