These stuff is good

As for the Motorola SB6120 SURFboard DOCSIS 3.0 eXtreme Broadband Cable Modem:
This is one of the fastest DOCSIS 3 modems on the market. I use one myself. It uses bonded channels for amazing throughput. You'll have to purchase a high end 25 - 75 Mbps cable Internet service plan to realize it's full potential. It uses Puma5 TI chip.

Motorola SB6120 SURFboard DOCSIS 3.0 eXtreme Broadband Cable Modem

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