To those who are complaining they can't use modules because they have jupiters with full ports: The jupiter wasn't advertised as being modularly upgradable. The saturn and mercury were. Yes, I believe they should sell more Jupes alongside the modules, but you purchased an item not advertised to be added-on to.
Among the miner producers that I had a pleasure/displeasure to deal with (4 different companies and 1 scam) they are so far the best. And this BS about upgrade modules not being available is actually BS. If you wanted to get some you did get some. I've got 3.
You're a tool if you believe that. You couldn't just "get" them, and despite their advertisements since day 1, still can't. KNC was deceptive and purposefully mismanaged the entire modular side of the business on purpose--as they later admitted. Originally the module boards were going to be produced continually for saturn/mercury owners, as wanted/needed, and limited ONLY to those verified direct customers FIRST, and if there were any left they would let anyone buy them.
KNC then, without telling the saturn or mercury customes, decided it wasn't worth their time or effort to waste an hour setting up database flags and controls to manage the customer-only sale, and simply opened the module purchase up to everyone in the world whether or not they even had KNC equipment.
In less than 90 seconds, they oversold inventory. Because they were bafoons! This screwed the majority of KNC customers, as many of the modules went to non-customers and were ebayed at 10x value in some cases. They also admitted in failing to properly notify the Mercury and Saturn owners about the sale which led to most modules going to Jupiter owners instead--the people who WEREN'T supposed to get them first-dibs.
So, NO, you couldn't just get them if you wanted them.
ASIDE from that, they were supposed to KEEP making them for Batch 1&2 units, AND for batch 1&2 Neptune, but haven't, and have rescinded plans for the Neptune.
SO much for buying upgradable units.