The only difference I can think of, is the 6120 does 4 channel bonding on the downstream, and the 6141 can do 8.
At this point I don't think it would make any difference, but in the future it could.
This is just my opinion.
It's also my opinion that by the time suddenlink has 8 channel bonding on the downstream or more, the 6141 won't be the best and greatest modem available, so why buy it now, when it makes no difference, and won't on the SL system for a long time, if ever.--
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