Linksys DOCSIS 3.0 8x4 Cable Modem Certified with Comcast Xfinity, Spectrum, Cox (CM3008) Description Invest in better Inter with CM3008 Cable Modem. For existing Internet plans up to 100 Mbps, it is certified by all major cable providers so you eliminate monthly modem rental fees. Delivering stable, high- speed connectivity for streaming and surfing, it is equipped with 8 download and 4 upload channels. It features an Intel Puma 5 chipset to achieve high- speed downstream and upstream performance. Certified for DOCSIS 3.0, the CM3008 features easy plug and play setup. Features: Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and more; Requires Cable Internet Service Not compatible with: Verizon, AT&T, or CenturyLink Cable Modem only (no WiFi router) Features Intel Puma 5 chipset to achieve high speed downstream and upstream performance 8 download and 4 upload bonded DOCSIS channels give you the most out of your existing cable broadband connection Product Details: Brand: Linksys Internet service provider: spectrum, optimum, cox, xfinity Compatible Devices: Router Color: black Number of Ports: 1 Brand: ‎Linksys Series: ‎LKSCM3008 Item model number: ‎CM3008 Operating System: ‎Mac, PC, Windows 7, etc Item Weight: ‎3.52 ounces Product Dimensions: ‎0.98 x 3.94 x 2.76 inches Item Dimensions LxWxH: ‎0.98 x 3.94 x 2.76 inches Color: ‎black Voltage: ‎12 Volts Batteries: ‎2 AAA batteries required. Manufacturer: ‎Linksys Is Discontinued By Manufacturer: ‎No Date First Available: ‎May 10, 2016