New - ARRIS SURFboard SB6141 DOCSIS 3.0 Cable Modem (Motorola) - New Item(s) are in original retail box, no signs of use, mint cosmetic condition, originally accessories included, Ships Fast and Free!! Details: Wired modem only, Requires CABLE Internet Service, if not sure your provider is CABLE call them to confirm. Note: does NOT include WIFI Router or VOIP Telephone adapter Compatible with major U.S. Cable Providers like Comcast, Cox, Charter, Time Warner, etc (NOT compatible with Verizon FiOS or AT T U-verse). Supports IPv4 and IPv6 - the latest Internet standard It harnesses the power of DOCSIS 3.0 technology to bond up to 8 downstream channels and 4 upstream channels - providing you advanced multimedia services with data rates up to 343Mbps download and 131Mbps upload depending on your Cable Internet provider service DOCSIS 3.0 Cable Modem Download speeds up to 343 Mbps 8 download 4 upload channels 2 – Gigabit Ethernet Ports – 10/100/1000 Mbps 2.4/5.0 Ghz Dual-band concurrent