They were probably safeguards/margins in case some terminals did not work. In any case, no one promised 6 ports. I expect to be able to upgrade Saturn to Jupiter, but not further.
AHEM! This photo is what they describe as their controller board and you see 1 2 3 4 5
6 https://www.kncminer.com/news/news-39Yes, you see them on a picture describing the slogan. It does not say anywhere that all 6 will be in use.
I am more worried about those capacitors. Everything else seems like nitpicking.
So you don't care if they sell 7000 Jupiters in China in the next month or two? Maybe in China they have another bitcoin, unrelated to the one you mine?
KNC promised to take care of the customers who gave them a free loan of millions to start their business. This ^ does not do that.