ARRIS SURFboard SB6141 8x4 DOCSIS 3.0 Cable Modem

Brand ARRIS Internet service provider spectrum, optimum, cox, xfinity Connectivity Technology Wired Compatible Devices Modem Product Dimensions 6.4"L x 2"W x 8.7"H Total Ethernet Ports 3 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. Wired modem only. Does not include WiFi router or VOIP Telephone adapter. Gigabit Etherent port to connect to PC or Router. 8 Download Channels and 4 Upload Channels capable of up to 343 Mbps download and 131 upload speeds. Recommended for Internet Plans up to 100 Mbps.