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The Netgear High Speed DOCSIS 3.0 Cable Modem CM400AZNA is a reliable and efficient modem designed for home networking and connectivity. With its wireless connectivity, users can easily connect their devices to the internet at high speeds. This modem is compatible with DOCSIS 3.0 standard and is designed by NETGEAR, a trusted brand in networking technology. The sleek black design of the modem adds a modern touch to any home setup.