TP-Link TC-7610 DOCSIS 3.0 (8x4) Cable Modem. Max Download Speeds Up to 343Mbps. Certified for Comcast XFINITY, Spectrum, Cox, and more. Separate Router is Needed for Wi-Fi Eliminate Rental Fee: Eliminate your cable modem monthly rental fee - Up to $120 per year Cable Modem Only: You will also need a router to enable Wi-Fi Faster Speed: DOCSIS 3.0 Cable Modem provides 8X faster download speed than DOCSIS 2.0 for an ultra-fast performance; Channel bonding of up to 8 downstream and 4 upstream channels, provide data rates up to 343Mbps for download and 143Mbps for upload Industry Leading Support: 2-year warranty and free 24/7 technical support; J.D. Power Ranked TP-Link "Highest in Customer Satisfaction for Wireless Routers in 2017"; Great for Cable Internet plans up to 150Mbps with XFINITY from Comcast, Spectrum (Including Charter, Time Warner Cable, and Bright House Networks), Cox, Suddenlink, Mediacom, and WOW Supports: IPv4 and IPv6 - the latest Internet standard Eliminate your cable modem monthly rental fee Item is CABLE MODEM ONLY. Compatible with cable internet plans up to 150Mbps* Great for Comcast Xfinity Internet Extreme 150, TWC 100M, Cox Cable Premier, and Brighthouse 100. Also works with other major cable operators including Charter, Cablevision, WoW and more Channel bonding of up to 8 downstream and 4 upstream channels, provide data rates up to 343Mbps for download and 143Mbps for upload DOCSIS 3.0 Cable Modem provides 8X faster download speed than DOCSIS 2.0 for an ultra-fast performance CableLabs certified DOCSIS 3.0 backwards compatible to DOCSIS 1.0, 1.1 and 2.0 provides users comprehensive network compatibility Supports IPv4 and IPv6 - the latest Internet standard Industry-leading 2-year warranty and unlimited 24/7 technical support