If you look into the strings in the firmware, there's the name for the unit depending on the number of ASICs :
0 ASICs: 0_The_Headless_Horseman
1 ASICs: Mercury
2 ASICs: Saturn
3 ASICs: 3_Cerberus
4 ASICs: Jupiter
5 ASICs: 5_Five_Headed_Monkey
6 ASICs: 6_Hosted_Max_Speed

The name of the 6 ASICs miner makes me think (pure speculation) that they actually host miners with 6 ASICs and, using a modified cgminer, they distribute the hashing power depending on what "miner" the customer bought initially. When you ask to get "your" miner out of the hosting, they just send you a miner with the correct number of ASICs (pure speculation again).

That would make sense : more uptime for the customers (no problem if just one miner goes down), less costs for KnC (less controller boards), easier to manage for KnC (just run a huge "cloud" mining farm and distribute the hashing power through software only, it's much more flexible).

It would also explain why they have a "private pool" which is actually their way to redistribute the earnings.

I could be all wrong... or totally right