I already checked out the a3 with PSU at 0.87BCH rate and about to make the payment before learning that Blake 2b algorithm is only being used by Siacoin only. I am not going through with the payment anymore,  I knew the miner would be useless after a few months but my thoughts was to use it on new coins with Blake 2b algorithm. I also noticed that the miners has been up for grab for more than 2hours now which was impossible with the first batch release; meaning people are no longer interested in buying them anymore.  I'm out