Are you building these yourself?
I love this approach with multiple chips in a small miner.
In case you missed it soon my baby will be available, first prototype was a huge success and now we can move on with the second revision https://geyser.fund/project/bitforgenano
Discussion
partially I do work with a manufacturer together to bringt this to as many as possible and make it cheaper than the Braiins 1TH shit piece