ARRIS SURFboard SB6190 32x8 DOCSIS 3.0 Cable Modem - Retail Packaging - White Approved on Comcast Xfinity, Spectrum (Charter, Time Warner, Brighthouse Networks), Cox, Mediacom, Suddenlink and most other US Cable Internet Providers. NOT compatible with Verizon, AT&T or Centurylink. REQUIRES Internet Service. 32 Download and 8 Upload Bonded Channels capable of up to 1.4 Gbps download and 262 upload speeds. Recommended for Internet Plans 250 Mbps and above. Wired modem only. Does not include WiFi router or VOIP Telephone adapter. Gigabit Ethernet port to connect to PC or Router.Compatible operating systems: Windows 10,Windows 8, Windows 7 Service Pack 1 (SP1),Macintosh 10.4 or higher,UNIX,LINUX Ideal for UHD movie streaming, gaming and multiple device use at same time. Future proof your system. 2 year warranty with US based customer service. Refer to the Quick Start Guide and Installation video. Supports IPv4 and IPv6  the latest Internet standard Note: Packaging may vary.