Motorola SURFboard cable modem SB6141 - $20 (Tucson)

Compact and powerful, the Motorola SB6141 is a cable modem that lets you surf the Internet at blazing speeds.
Employing DOCSIS 3.
0 standard, this Motorola modem enables channel bonding of up to eight downstream channels and four upstream channels, resulting in a downloading speed of over 300 Mbps and an uploading speed of over 100 Mbps.
And, the Motorola SB6141 reliably transmits data from one network to another, as it supports IPv4 and IPv6 routing protocols.
To prevent unauthorized users from accessing the data, this cable modem adopts AES traffic encryption algorithms.
Moreover, this Motorola modem is compatible with Windows, Mac, and UNIX operating systems.