Introducing the first Gigabit+ cable modem Gateway available in retail. The SURFboard sbg7580-ac is 3 products in 1: a DOCSIS 3.0 cable modem, Dual-Band concurrent 802.11AC Wi-Fi access point and 4-port Gigabit Ethernet router. With download speeds up to 1.4Gbps, upload speeds up to 343Mbps and Wi-Fi speeds up to 1750 Mbps it's the most powerful Wi-Fi modem in the SURFboard lineup. No more buffering while streaming HD video. No lag while gaming with friends. And best of all, no more dead spots! stop spending on monthly rental fees and own your modem.