The SURFboard SB8200 Docsis 3.1 Cable Modem — Manufacturer-Refurbished and Certified for ResaleEnjoy high-speed internet without the rental fees. This manufacturer-refurbished SB8200 has been fully tested and certified for resale, delivering reliable performance like new. With Docsis 3.1 technology, it supports download speeds up to 5 Gbps and features 2 Gigabit Ethernet ports — ideal for 4K Ultra-hd streaming, Vr gaming, and multiple devices in today s connected home. Power your home network with the SB8200 and experience fast, dependable internet connectivity.Superfast. Smart. Stress free.Our cable modems give you the speed you need at the price you want.